| @@ -21,9 +21,9 @@ | ||
| 21 | 21 | * Absolute path to the minified-cache directory. Always derived from |
| 22 | 22 | * XSPEED_CACHE_DIR (the plugin's own cache root) — never assembled from |
| 23 | 23 | * arbitrary URL fragments. |
| 24 | 24 | */ |
| 25 | - private static function min_dir() { | |
| 25 | + public static function min_dir() { | |
| 26 | 26 | return trailingslashit( XSPEED_CACHE_DIR ) . self::MIN_SUBDIR; |
| 27 | 27 | } |
| 28 | 28 | |
| 29 | 29 | /** |
| @@ -37,9 +37,16 @@ | ||
| 37 | 37 | // XSPEED_CACHE_DIR lives under wp-content (defined in xspeed.php as |
| 38 | 38 | // WP_CONTENT_DIR . '/cache/xspeed'), so the URL is content_url() + |
| 39 | 39 | // the known suffix. We do not derive URLs from arbitrary filesystem |
| 40 | 40 | // paths anywhere in this plugin. |
| 41 | - return trailingslashit( content_url( 'cache/xspeed' ) ) . self::MIN_SUBDIR; | |
| 41 | + $url = trailingslashit( content_url( 'cache/xspeed' ) ) . self::MIN_SUBDIR; | |
| 42 | + // Force the site's scheme: content_url() derives its scheme from | |
| 43 | + // is_ssl(), which is false behind a TLS-terminating reverse proxy, so | |
| 44 | + // it can emit an http:// URL on an https page — the browser then blocks | |
| 45 | + // the minified stylesheet as mixed content and the page renders | |
| 46 | + // unstyled. Match home_url()'s registered scheme instead. (FBS-83633) | |
| 47 | + $scheme = wp_parse_url( home_url(), PHP_URL_SCHEME ) ?: 'https'; | |
| 48 | + return set_url_scheme( $url, $scheme ); | |
| 42 | 49 | } |
| 43 | 50 | |
| 44 | 51 | public function __construct() { |
| 45 | 52 | // Only run on the frontend — never minify wp-admin, AJAX, REST or cron |
| @@ -48,8 +55,17 @@ | ||
| 48 | 55 | if ( is_admin() || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) || ( defined( 'DOING_CRON' ) && DOING_CRON ) || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) ) { |
| 49 | 56 | return; |
| 50 | 57 | } |
| 51 | 58 | |
| 59 | + // A page-builder editing screen is a front-end URL, so none of the | |
| 60 | + // guards above catch it. Optimizing it breaks the editor outright -- | |
| 61 | + // Combine JS reorders the builder's own dependency graph and the | |
| 62 | + // toolbar never renders. There is no speed to win on a logged-in, | |
| 63 | + // uncacheable editing request anyway. (#281) | |
| 64 | + if ( Builder_Editor::is_active() ) { | |
| 65 | + return; | |
| 66 | + } | |
| 67 | + | |
| 52 | 68 | // Settings now live in the per-module option (xspeed_module_minify), |
| 53 | 69 | // owned by XSpeed\Modules\Minify\MinifyModule. We read through |
| 54 | 70 | // Settings_Manager so schema-validated values are returned even |
| 55 | 71 | // if the option was hand-edited. |
| @@ -59,8 +75,15 @@ | ||
| 59 | 75 | add_filter( 'style_loader_src', array( __CLASS__, 'rewrite_style' ), 10, 2 ); |
| 60 | 76 | } |
| 61 | 77 | if ( ! empty( $opts['minify_js'] ) ) { |
| 62 | 78 | add_filter( 'script_loader_src', array( __CLASS__, 'rewrite_script' ), 10, 2 ); |
| 79 | + // The src rewrite above runs before any plugin's own | |
| 80 | + // `script_loader_tag` filter can stamp data-no-minify / | |
| 81 | + // data-no-optimize onto the tag, so the marker arrives too late | |
| 82 | + // to prevent it. Priority 15: after third-party tag filters at | |
| 83 | + // the default 10 have printed their markers, before our defer | |
| 84 | + // (20) and delay (30) look at the tag. (#456) | |
| 85 | + add_filter( 'script_loader_tag', array( Minify_Filters::class, 'restore_marked_script_src' ), 15, 3 ); | |
| 63 | 86 | } |
| 64 | 87 | |
| 65 | 88 | // Phase 4.1a — filter-only "smarter minifier" features. Each is |
| 66 | 89 | // gated on its own toggle so users can enable any subset. |
| @@ -75,28 +98,145 @@ | ||
| 75 | 98 | // Delay applies a transform that's mutually exclusive with |
| 76 | 99 | // plain defer — when both are on, delay wins (the bootstrap |
| 77 | 100 | // will re-attach as a regular <script> on interaction). |
| 78 | 101 | add_filter( 'script_loader_tag', array( Minify_Filters::class, 'delay_script_tag' ), 30, 3 ); |
| 102 | + // Smart Delay: a delayed handle's before/after snippets park with | |
| 103 | + // it, or the inline consumer would run at parse time against a | |
| 104 | + // global that now arrives on first interaction. This filter fires | |
| 105 | + // for every inline script WordPress prints, so it also covers | |
| 106 | + // pages the cache buffer never filters. | |
| 107 | + add_filter( 'wp_inline_script_attributes', array( Minify_Filters::class, 'park_smart_inline' ), 30, 2 ); | |
| 108 | + // A snippet never stays parked behind a live script. Runs after | |
| 109 | + // the late opt-out revert, which can un-delay the tag. | |
| 110 | + add_filter( 'script_loader_tag', array( Minify_Filters::class, 'unpark_orphaned_smart_inline' ), Minify_Filters::late_opt_out_priority() + 1, 3 ); | |
| 79 | 111 | add_action( 'wp_footer', array( Minify_Filters::class, 'print_delay_bootstrap' ), 1000 ); |
| 112 | + // script_loader_tag only fires for wp_enqueue_script()'d assets. | |
| 113 | + // Analytics / pixel / chat-widget tags printed straight into | |
| 114 | + // wp_head bypass it, and those are usually the heaviest scripts | |
| 115 | + // on the page — so sweep the finished buffer too. Runs before | |
| 116 | + // minify_html (same filter, default priority) and is baked into | |
| 117 | + // the cache file, so it replays on static hits where PHP never | |
| 118 | + // boots. | |
| 119 | + add_filter( 'xspeed_cache_final_html', array( Minify_Filters::class, 'delay_raw_script_tags' ), 20 ); | |
| 120 | + // The vendors' own install snippets are INLINE (no src at all), | |
| 121 | + // so the src sweep above never sees them; this one parks an | |
| 122 | + // inline body that names a known third-party host. | |
| 123 | + add_filter( 'xspeed_cache_final_html', array( Minify_Filters::class, 'delay_inline_snippets' ), 21 ); | |
| 124 | + // Elementor's entrance-animation elements are hidden until its | |
| 125 | + // frontend script runs; when that script is delayed, show them. | |
| 126 | + add_action( 'wp_head', array( Minify_Filters::class, 'print_entrance_animation_reveal' ), 1 ); | |
| 80 | 127 | } |
| 128 | + | |
| 129 | + // Everything above honors data-no-optimize / data-no-minify, but | |
| 130 | + // only sees markers stamped before priority 30. Borlabs Cookie | |
| 131 | + // stamps at 100, so its consent config was minified AND delayed | |
| 132 | + // despite carrying both markers. Snapshot the tag before our | |
| 133 | + // transforms (9) and hand the original back if a marker turns up | |
| 134 | + // after them (1000, past Borlabs' own 100 and 999). Registered | |
| 135 | + // whenever any of the three is on, | |
| 136 | + // since each one is individually enough to damage a marked | |
| 137 | + // script. (#469) | |
| 138 | + if ( ! empty( $opts['minify_js'] ) || ! empty( $opts['defer_js'] ) || ! empty( $opts['delay_js'] ) ) { | |
| 139 | + add_filter( 'script_loader_tag', array( Minify_Filters::class, 'snapshot_tag' ), 9, 3 ); | |
| 140 | + add_filter( | |
| 141 | + 'script_loader_tag', | |
| 142 | + array( Minify_Filters::class, 'revert_late_marked_tag' ), | |
| 143 | + Minify_Filters::late_opt_out_priority(), | |
| 144 | + 3 | |
| 145 | + ); | |
| 146 | + } | |
| 81 | 147 | if ( ! empty( $opts['async_css'] ) ) { |
| 82 | 148 | add_filter( 'style_loader_tag', array( Minify_Filters::class, 'async_style_tag' ), 20, 2 ); |
| 149 | + // style_loader_tag only fires for wp_enqueue_style()'d sheets. | |
| 150 | + // Themes print Google/Bunny/Typekit font CSS as literal <link> | |
| 151 | + // markup in the head, so those sheets never reach the filter and | |
| 152 | + // stay render-blocking — sweep the finished buffer for the known | |
| 153 | + // font-CSS hosts. Baked into the cache file, so it replays on | |
| 154 | + // static hits where PHP never boots. | |
| 155 | + add_filter( 'xspeed_cache_final_html', array( Minify_Filters::class, 'async_raw_font_css_links' ), 22 ); | |
| 156 | + // Holds CSS transitions while async stylesheets replace the | |
| 157 | + // critical CSS. Runs after every script pass so its own | |
| 158 | + // inline script is never deferred or delayed. | |
| 159 | + add_filter( 'xspeed_cache_final_html', array( Minify_Filters::class, 'hold_transitions_for_async_css' ), 26 ); | |
| 83 | 160 | } |
| 84 | 161 | |
| 85 | - // Phase 4.1b — combine engine. Hook late so every plugin / | |
| 86 | - // theme has finished enqueueing by the time we walk the queue. | |
| 87 | - // Priority 999 mirrors the WP-Optimize / Rocket convention. | |
| 162 | + /* | |
| 163 | + * CSS combining runs on the FINISHED HTML, not the enqueue queue. | |
| 164 | + * | |
| 165 | + * The queue-walking version could not be made correct: whatever it | |
| 166 | + * wrote at priority 999, WordPress edited afterwards. Core's | |
| 167 | + * wp_maybe_inline_styles() inlines any queued handle carrying a `path` | |
| 168 | + * and sets src=false on it, which silently threw away the combined URL | |
| 169 | + * and took the sheets we had blanked with it — six stylesheets became | |
| 170 | + * one and the site rendered unstyled. See Css_Combine_Buffer's header | |
| 171 | + * for the full trace. (#195) | |
| 172 | + * | |
| 173 | + * Two entry points, because the page cache's filter is not always | |
| 174 | + * available: `xspeed_cache_final_html` fires only on a cacheable MISS, | |
| 175 | + * so on a site with the cache off — or on an excluded URL like /cart — | |
| 176 | + * combining would silently stop working. Css_Combine_Buffer::boot() | |
| 177 | + * opens its own buffer in exactly those cases and no-ops otherwise, so | |
| 178 | + * the page is transformed once either way. | |
| 179 | + */ | |
| 88 | 180 | if ( ! empty( $opts['combine_css'] ) ) { |
| 89 | - add_action( 'wp_enqueue_scripts', array( Asset_Combiner::class, 'combine_styles' ), 999 ); | |
| 181 | + add_filter( 'xspeed_cache_final_html', array( Css_Combine_Buffer::class, 'process' ), 5 ); | |
| 182 | + Css_Combine_Buffer::boot(); | |
| 90 | 183 | } |
| 91 | 184 | if ( ! empty( $opts['combine_js'] ) ) { |
| 185 | + // JS stays on the enqueue path for now: dependency order, | |
| 186 | + // async/defer and wp_add_inline_script make it a different | |
| 187 | + // problem, and the reported break is CSS-only. Moving it is worth | |
| 188 | + // its own change rather than doubling the blast radius here. | |
| 92 | 189 | add_action( 'wp_enqueue_scripts', array( Asset_Combiner::class, 'combine_scripts' ), 999 ); |
| 93 | 190 | } |
| 94 | 191 | } |
| 95 | 192 | |
| 193 | + /** | |
| 194 | + * HTML elements that participate in an inline formatting context, where | |
| 195 | + * whitespace between two of them renders as a visible space. | |
| 196 | + * | |
| 197 | + * Deliberately excludes <br> (nothing to separate) and replaced/embedded | |
| 198 | + * inline elements that sit alone. Anything not listed is treated as block | |
| 199 | + * level, where inter-tag whitespace collapses to nothing and is safe to | |
| 200 | + * strip. (FBS-84090) | |
| 201 | + */ | |
| 202 | + private const INLINE_TAGS = array( | |
| 203 | + 'a', 'abbr', 'b', 'bdi', 'bdo', 'cite', 'code', 'data', 'del', 'dfn', | |
| 204 | + 'em', 'i', 'ins', 'kbd', 'label', 'mark', 'q', 'rp', 'rt', 'ruby', | |
| 205 | + 's', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'time', 'u', | |
| 206 | + 'var', 'wbr', 'img', 'button', 'select', 'output', | |
| 207 | + ); | |
| 208 | + | |
| 209 | + /** True when $tag renders inline, so whitespace beside it is visible. */ | |
| 210 | + private static function is_inline( string $tag ): bool { | |
| 211 | + return in_array( strtolower( $tag ), self::INLINE_TAGS, true ); | |
| 212 | + } | |
| 213 | + | |
| 214 | + /** | |
| 215 | + * Why minification is being skipped, when it is. '' when it will run. | |
| 216 | + * | |
| 217 | + * minify_html can read "on" in every settings surface while producing | |
| 218 | + * byte-identical HTML, because the guard below silently returns the | |
| 219 | + * input. Field report: a live site showed `minify_html: on` with 3,856 | |
| 220 | + * indented lines in the delivered HTML and nothing anywhere explaining | |
| 221 | + * the contradiction — the setting looked broken rather than suppressed. | |
| 222 | + * Callers that report status MUST consult this so the refusal is | |
| 223 | + * visible. (Same class as Cache::static_rewrite_block_reason().) | |
| 224 | + * | |
| 225 | + * @return string 'wp_debug', 'filter', or ''. | |
| 226 | + */ | |
| 227 | + public static function skip_reason(): string { | |
| 228 | + $debug_skip = defined( 'WP_DEBUG' ) && WP_DEBUG; | |
| 229 | + if ( ! apply_filters( 'xspeed_skip_minify', $debug_skip ) ) { | |
| 230 | + return ''; | |
| 231 | + } | |
| 232 | + // Distinguish the built-in WP_DEBUG rule from a third party | |
| 233 | + // filtering the escape hatch — the fixes are different. | |
| 234 | + return $debug_skip ? 'wp_debug' : 'filter'; | |
| 235 | + } | |
| 236 | + | |
| 96 | 237 | public static function minify_html( $html ) { |
| 97 | - $debug_skip = defined( 'WP_DEBUG' ) && WP_DEBUG; | |
| 98 | - if ( apply_filters( 'xspeed_skip_minify', $debug_skip ) ) { | |
| 238 | + if ( '' !== self::skip_reason() ) { | |
| 99 | 239 | return $html; |
| 100 | 240 | } |
| 101 | 241 | |
| 102 | 242 | $placeholders = array(); |
| @@ -103,10 +243,18 @@ | ||
| 103 | 243 | $pattern = '#<(pre|textarea|script|style)\b[^>]*>.*?</\1>#is'; |
| 104 | 244 | $html = preg_replace_callback( |
| 105 | 245 | $pattern, |
| 106 | 246 | function ( $m ) use ( &$placeholders ) { |
| 107 | - $key = '__XSPEED_PH_' . count( $placeholders ) . '__'; | |
| 108 | - $placeholders[ $key ] = $m[0]; | |
| 247 | + $key = '__XSPEED_PH_' . count( $placeholders ) . '__'; | |
| 248 | + // The placeholder pass exists to protect content whose | |
| 249 | + // whitespace is significant (<pre>, <textarea>) and to keep | |
| 250 | + // the tag-boundary regex off script bodies. <style> and | |
| 251 | + // <script> were grouped in with them, so protection became a | |
| 252 | + // permanent exemption: on builder sites where most CSS is | |
| 253 | + // inline, a page with minify ON shipped fully indented. Minify | |
| 254 | + // the BODY here, before it's stashed, so the outer passes | |
| 255 | + // still never see it. (#2) | |
| 256 | + $placeholders[ $key ] = self::minify_inline_block( $m[0], strtolower( $m[1] ) ); | |
| 109 | 257 | return $key; |
| 110 | 258 | }, |
| 111 | 259 | $html |
| 112 | 260 | ); |
| @@ -112,9 +260,34 @@ | ||
| 112 | 260 | ); |
| 113 | 261 | |
| 114 | 262 | $html = preg_replace( '/<!--(?!\[if).*?-->/s', '', $html ); |
| 115 | 263 | $html = preg_replace( '/\s+/', ' ', $html ); |
| 116 | - $html = preg_replace( '/>\s+</', '><', $html ); | |
| 264 | + | |
| 265 | + /* | |
| 266 | + * Collapse whitespace BETWEEN TAGS — but never where it is visible. | |
| 267 | + * | |
| 268 | + * Whitespace separating two INLINE elements is a real, rendered space: | |
| 269 | + * WooCommerce emits `</del> <ins>` for a sale price, and that single | |
| 270 | + * character is the gap between "$32.50" and "$29.50". Stripping it | |
| 271 | + * printed "$32.50$29.50" run together, and only with cache on — the | |
| 272 | + * un-minified page was fine. (FBS-84090) | |
| 273 | + * | |
| 274 | + * So the strip only applies when at least one side is a BLOCK-level | |
| 275 | + * (or non-rendered) tag, where the whitespace collapses away anyway. | |
| 276 | + * Inline-to-inline boundaries keep their single space. | |
| 277 | + */ | |
| 278 | + $html = preg_replace_callback( | |
| 279 | + // left tag name (may be a closing tag) … whitespace … right tag name | |
| 280 | + '#</?([a-zA-Z][a-zA-Z0-9-]*)\b[^>]*>\s+<(/?)([a-zA-Z][a-zA-Z0-9-]*)#', | |
| 281 | + static function ( $m ) { | |
| 282 | + // Keep the space only when BOTH sides are inline elements — | |
| 283 | + // that is the one case where it is actually rendered. | |
| 284 | + $keep = self::is_inline( $m[1] ) && self::is_inline( $m[3] ); | |
| 285 | + $open = substr( $m[0], 0, strrpos( $m[0], '<' ) ); // through the left tag's '>' | |
| 286 | + return rtrim( $open ) . ( $keep ? ' ' : '' ) . '<' . $m[2] . $m[3]; | |
| 287 | + }, | |
| 288 | + $html | |
| 289 | + ); | |
| 117 | 290 | $html = trim( $html ); |
| 118 | 291 | |
| 119 | 292 | foreach ( $placeholders as $key => $original ) { |
| 120 | 293 | $html = str_replace( $key, $original, $html ); |
| @@ -128,10 +301,21 @@ | ||
| 128 | 301 | return self::rewrite_asset( $src, 'css' ); |
| 129 | 302 | } |
| 130 | 303 | |
| 131 | 304 | public static function rewrite_script( $src, $handle ) { |
| 132 | - unset( $handle ); | |
| 133 | - return self::rewrite_asset( $src, 'js' ); | |
| 305 | + $rewritten = self::rewrite_asset( $src, 'js' ); | |
| 306 | + | |
| 307 | + // Remember the pre-minify URL for this handle. script_loader_tag | |
| 308 | + // runs later and only ever sees the rewritten src (a hashed | |
| 309 | + // /cache/xspeed/min/<key>.js path), so a user's URL-substring | |
| 310 | + // delay/exclusion target would never match once minification is | |
| 311 | + // on. Minify_Filters::original_src() gives those checks the URL | |
| 312 | + // the user actually wrote their target against. (FBS field report) | |
| 313 | + if ( is_string( $handle ) && '' !== $handle && is_string( $src ) && $src !== $rewritten ) { | |
| 314 | + Minify_Filters::remember_original_src( $handle, $src ); | |
| 315 | + } | |
| 316 | + | |
| 317 | + return $rewritten; | |
| 134 | 318 | } |
| 135 | 319 | |
| 136 | 320 | /** |
| 137 | 321 | * Replace a local CSS/JS URL with a cached, minified equivalent. |
| @@ -149,8 +333,23 @@ | ||
| 149 | 333 | if ( false !== strpos( $src, '.min.' ) ) { |
| 150 | 334 | return $src; |
| 151 | 335 | } |
| 152 | 336 | |
| 337 | + // Skip anything we already produced. The Asset_Combiner minifies the | |
| 338 | + // combined body itself before writing combined-<hash>.css under | |
| 339 | + // min/combined/ (issue #331 — that used to be asserted here but was | |
| 340 | + // not actually true, so the artifact shipped unminified), and enqueues it | |
| 341 | + // as `xspeed-combined-css`; the per-file minifier used to re-minify | |
| 342 | + // that combined output into a SECOND file (min/<hash2>.css) with its | |
| 343 | + // own mtime-derived hash. The served HTML then pinned that second | |
| 344 | + // hash, so a purge/regeneration (which changes the combined file's | |
| 345 | + // mtime -> a new hash2) left the cached page pointing at a file that | |
| 346 | + // no longer existed -> 404 -> unstyled/broken frontend. Leaving our | |
| 347 | + // own cache output untouched keeps a single, stable URL end-to-end. | |
| 348 | + if ( false !== strpos( $src, '/cache/xspeed/' ) ) { | |
| 349 | + return $src; | |
| 350 | + } | |
| 351 | + | |
| 153 | 352 | // Resolve to a local path; bail if external or unresolvable. |
| 154 | 353 | $path = self::url_to_path( $src ); |
| 155 | 354 | if ( ! $path || ! is_readable( $path ) ) { |
| 156 | 355 | return $src; |
| @@ -155,18 +354,37 @@ | ||
| 155 | 354 | if ( ! $path || ! is_readable( $path ) ) { |
| 156 | 355 | return $src; |
| 157 | 356 | } |
| 158 | 357 | |
| 159 | - // Build a cache filename keyed on path + mtime so edits invalidate. | |
| 160 | - $mtime = filemtime( $path ); | |
| 161 | - $key = md5( $path . '|' . $mtime ); | |
| 162 | - $cache = self::cache_path( $key, $type ); | |
| 358 | + // Nowhere to write means nothing to serve. Without this gate an | |
| 359 | + // unwritable min/ cost a full minification on EVERY render, each one | |
| 360 | + // thrown away when the write failed. | |
| 361 | + if ( ! self::min_dir_writable() ) { | |
| 362 | + return $src; | |
| 363 | + } | |
| 163 | 364 | |
| 164 | - if ( ! file_exists( $cache ) ) { | |
| 165 | - $ok = self::minify_file( $path, $cache, $type ); | |
| 166 | - if ( ! $ok ) { | |
| 167 | - return $src; | |
| 365 | + // The file is named after its minified CONTENT, found through a | |
| 366 | + // per-source manifest that is validated by stat() alone on the hot | |
| 367 | + // path. See Asset_Manifest for the rules. The old name was | |
| 368 | + // md5(path|mtime): an in-place edit that kept the mtime served new | |
| 369 | + // bytes under a URL cached for a year, an @import child's edit | |
| 370 | + // changed nothing, and a touch with no change orphaned every cached | |
| 371 | + // page that linked the old name. | |
| 372 | + $key = Asset_Manifest::key_for( | |
| 373 | + $type, | |
| 374 | + $path, | |
| 375 | + static function ( string $source ) use ( $type ): array { | |
| 376 | + return 'css' === $type ? Asset_Manifest::css_dependencies( $source ) : array(); | |
| 377 | + }, | |
| 378 | + static function ( string $source ) use ( $type ) { | |
| 379 | + return self::build( $source, $type ); | |
| 380 | + }, | |
| 381 | + static function ( string $key ) use ( $type ): bool { | |
| 382 | + return file_exists( self::cache_path( $key, $type ) ); | |
| 168 | 383 | } |
| 384 | + ); | |
| 385 | + if ( null === $key ) { | |
| 386 | + return $src; | |
| 169 | 387 | } |
| 170 | 388 | |
| 171 | 389 | // Return a URL to the cached file. Built from known constants — never |
| 172 | 390 | // from str_replace on a filesystem path (which would assume the FS |
| @@ -173,44 +391,110 @@ | ||
| 173 | 391 | // layout mirrors the URL layout). |
| 174 | 392 | return self::min_url() . '/' . $key . '.' . $type; |
| 175 | 393 | } |
| 176 | 394 | |
| 177 | - private static function minify_file( $source_path, $target_path, $type ) { | |
| 178 | - if ( ! class_exists( '\\MatthiasMullie\\Minify\\CSS' ) ) { | |
| 179 | - return false; | |
| 395 | + /** | |
| 396 | + * Whether min/ can be written, asked once per request. | |
| 397 | + * | |
| 398 | + * @var bool|null | |
| 399 | + */ | |
| 400 | + private static $writable = null; | |
| 401 | + | |
| 402 | + /** | |
| 403 | + * Minifications run by this process. | |
| 404 | + * | |
| 405 | + * @var int | |
| 406 | + */ | |
| 407 | + private static $builds = 0; | |
| 408 | + | |
| 409 | + /** Forget the per-request answers. Tests only. */ | |
| 410 | + public static function reset_request_state(): void { | |
| 411 | + self::$writable = null; | |
| 412 | + self::$builds = 0; | |
| 413 | + } | |
| 414 | + | |
| 415 | + /** How many sources this process has minified. Tests and diagnostics. */ | |
| 416 | + public static function builds(): int { | |
| 417 | + return self::$builds; | |
| 418 | + } | |
| 419 | + | |
| 420 | + /** Can minified files be written this request? */ | |
| 421 | + public static function min_dir_writable(): bool { | |
| 422 | + if ( null === self::$writable ) { | |
| 423 | + $dir = self::min_dir(); | |
| 424 | + self::ensure_dir( $dir ); | |
| 425 | + self::$writable = is_dir( $dir ) && wp_is_writable( $dir ); | |
| 180 | 426 | } |
| 427 | + return self::$writable; | |
| 428 | + } | |
| 181 | 429 | |
| 182 | - // Path-traversal guard: refuse to write anywhere outside our cache | |
| 183 | - // dir, even if a malicious filter ever produced a poisoned key. | |
| 184 | - $cache_root = self::min_dir(); | |
| 185 | - self::ensure_dir( $cache_root ); | |
| 186 | - $real_root = realpath( $cache_root ); | |
| 187 | - $real_dir = realpath( dirname( $target_path ) ); | |
| 188 | - if ( ! $real_root || ! $real_dir || 0 !== strpos( $real_dir, $real_root ) ) { | |
| 189 | - return false; | |
| 430 | + /** | |
| 431 | + * Minify a source into min/<md5 of output>.<type> and return the key. | |
| 432 | + * | |
| 433 | + * The output is built in memory and published with an atomic rename, so a | |
| 434 | + * concurrent render never links a half-written file. When a file with the | |
| 435 | + * same content already exists nothing is written: same bytes, same name. | |
| 436 | + * | |
| 437 | + * @param string $source Absolute source path. | |
| 438 | + * @param string $type 'css' or 'js'. | |
| 439 | + * @return string|null|false Key; null when the source cannot be minified; | |
| 440 | + * false when the output could not be written. | |
| 441 | + */ | |
| 442 | + private static function build( string $source, string $type ) { | |
| 443 | + ++self::$builds; | |
| 444 | + $minified = self::minify_to_string( $source, $type ); | |
| 445 | + if ( null === $minified ) { | |
| 446 | + return null; | |
| 190 | 447 | } |
| 448 | + $key = md5( $minified ); | |
| 449 | + $target = self::cache_path( $key, $type ); | |
| 450 | + if ( file_exists( $target ) ) { | |
| 451 | + return $key; | |
| 452 | + } | |
| 453 | + return Asset_Manifest::write_atomic( $target, $minified ) ? $key : false; | |
| 454 | + } | |
| 191 | 455 | |
| 456 | + /** | |
| 457 | + * Minified bytes of a source, or null on failure. | |
| 458 | + * | |
| 459 | + * @param string $source_path Absolute source path. | |
| 460 | + * @param string $type 'css' or 'js'. | |
| 461 | + */ | |
| 462 | + private static function minify_to_string( string $source_path, string $type ): ?string { | |
| 463 | + if ( ! class_exists( '\\MatthiasMullie\\Minify\\CSS' ) ) { | |
| 464 | + return null; | |
| 465 | + } | |
| 466 | + | |
| 192 | 467 | try { |
| 193 | - $minifier = ( 'css' === $type ) | |
| 194 | - ? new \MatthiasMullie\Minify\CSS( $source_path ) | |
| 195 | - : new \MatthiasMullie\Minify\JS( $source_path ); | |
| 468 | + if ( 'css' === $type ) { | |
| 469 | + // execute() with a path inside min/ rebases every relative | |
| 470 | + // url(...) / @import against the minified file's location, | |
| 471 | + // which is what minify( $target ) did before without writing. | |
| 472 | + // Every output lives in the same directory, so any name there | |
| 473 | + // rebases identically. Without the rebase a stylesheet moved | |
| 474 | + // from e.g. .../font-awesome/css/all.css to | |
| 475 | + // cache/xspeed/min/<key>.css keeps its original | |
| 476 | + // url(../webfonts/…), which then resolves against the cache | |
| 477 | + // dir and 404s (missing FontAwesome/eicons/WooCommerce fonts). | |
| 478 | + $minifier = new \MatthiasMullie\Minify\CSS( $source_path ); | |
| 479 | + $minified = (string) $minifier->execute( self::min_dir() . '/rebase.css' ); | |
| 480 | + return '' !== $minified ? $minified : null; | |
| 481 | + } | |
| 196 | 482 | |
| 197 | - $minified = $minifier->minify(); | |
| 483 | + $minifier = new \MatthiasMullie\Minify\JS( $source_path ); | |
| 484 | + $minified = (string) $minifier->minify(); | |
| 198 | 485 | |
| 199 | 486 | // Sanity check: paren/brace/bracket/backtick balance must be preserved. |
| 200 | 487 | // matthiasmullie/minify can silently truncate mid-template-literal on |
| 201 | 488 | // complex modern JS — bail rather than ship a broken file. |
| 202 | - // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- WP_Filesystem requires admin context; minification runs on frontend page renders. Source already validated as readable on line 121. | |
| 489 | + // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- WP_Filesystem requires admin context; minification runs on frontend page renders. Source already validated as readable by the caller. | |
| 203 | 490 | $source = file_get_contents( $source_path ); |
| 204 | - if ( false === $source || ! self::balanced( $source, $minified ) ) { | |
| 205 | - return false; | |
| 491 | + if ( false === $source || '' === $minified || ! self::balanced( $source, $minified ) ) { | |
| 492 | + return null; | |
| 206 | 493 | } |
| 207 | - | |
| 208 | - // phpcs:ignore WordPress.WP.AlternativeFunctions.file_put_contents_file_put_contents -- WP_Filesystem requires admin context; minification runs on frontend page renders. | |
| 209 | - $bytes = file_put_contents( $target_path, $minified ); | |
| 210 | - return false !== $bytes && file_exists( $target_path ); | |
| 494 | + return $minified; | |
| 211 | 495 | } catch ( \Throwable $e ) { |
| 212 | - return false; | |
| 496 | + return null; | |
| 213 | 497 | } |
| 214 | 498 | } |
| 215 | 499 | |
| 216 | 500 | /** |
| @@ -227,18 +511,175 @@ | ||
| 227 | 511 | * literal `{` / `}` / `[` / `]` that throw off the count by the same |
| 228 | 512 | * amount in both bodies (since they survive minification as-is), so |
| 229 | 513 | * the equality check is robust to that noise. |
| 230 | 514 | */ |
| 231 | - private static function balanced( string $source, string $minified ): bool { | |
| 232 | - $pairs = array( '(', ')', '{', '}', '[', ']', '`' ); | |
| 233 | - foreach ( $pairs as $token ) { | |
| 234 | - if ( substr_count( $source, $token ) !== substr_count( $minified, $token ) ) { | |
| 515 | + /** | |
| 516 | + * Minify the body of one captured inline block, or return it untouched. | |
| 517 | + * | |
| 518 | + * Only `<style>` and JavaScript `<script>` bodies are eligible: | |
| 519 | + * | |
| 520 | + * - `<pre>` / `<textarea>` — whitespace is rendered, never touch it. | |
| 521 | + * - `<script>` with a non-JS `type` — `application/ld+json`, | |
| 522 | + * `text/template`, `text/x-handlebars` and anything unrecognised are | |
| 523 | + * data or markup, not code. Minifying JSON-LD would corrupt structured | |
| 524 | + * data; minifying a template would eat the markup it holds. An unknown | |
| 525 | + * type is treated as non-JS on purpose: guessing wrong breaks the page, | |
| 526 | + * while skipping only forgoes a few bytes. | |
| 527 | + * - `<script src="...">` — the body is empty; the file path already goes | |
| 528 | + * through rewrite_asset(). | |
| 529 | + * | |
| 530 | + * Every result is checked with balanced(), the same structural guard the | |
| 531 | + * file path uses, so a body the library truncates is shipped as-is rather | |
| 532 | + * than broken. (#2) | |
| 533 | + * | |
| 534 | + * @param string $block Full matched tag, opening tag through closing tag. | |
| 535 | + * @param string $tag Lowercased tag name. | |
| 536 | + * @return string Minified block, or $block unchanged. | |
| 537 | + */ | |
| 538 | + private static function minify_inline_block( string $block, string $tag ): string { | |
| 539 | + if ( 'style' !== $tag && 'script' !== $tag ) { | |
| 540 | + return $block; // pre / textarea — significant whitespace. | |
| 541 | + } | |
| 542 | + if ( ! class_exists( '\\MatthiasMullie\\Minify\\CSS' ) ) { | |
| 543 | + return $block; | |
| 544 | + } | |
| 545 | + | |
| 546 | + // Split into opening tag / body / closing tag. Anything that doesn't | |
| 547 | + // match this shape isn't something we should be rewriting. | |
| 548 | + if ( ! preg_match( '#^(<' . $tag . '\b[^>]*>)(.*)(</' . $tag . '\s*>)$#is', $block, $parts ) ) { | |
| 549 | + return $block; | |
| 550 | + } | |
| 551 | + list( , $open, $body, $close ) = $parts; | |
| 552 | + | |
| 553 | + if ( '' === trim( $body ) ) { | |
| 554 | + return $block; | |
| 555 | + } | |
| 556 | + | |
| 557 | + // The tag asked to be left alone (data-no-optimize / data-no-minify — | |
| 558 | + // the convention consent managers print on their config scripts). (#456) | |
| 559 | + if ( Minify_Filters::tag_opts_out( $open ) ) { | |
| 560 | + return $block; | |
| 561 | + } | |
| 562 | + | |
| 563 | + // Refuse a body that is already structurally broken. balanced() only | |
| 564 | + // compares source against minified, so it passes when BOTH are equally | |
| 565 | + // unbalanced — `function x( {` minifies to `function x({`, same counts, | |
| 566 | + // guard satisfied, broken code reformatted. Rewriting a body we can't | |
| 567 | + // parse risks turning a page that happens to work into one that does | |
| 568 | + // not, for no gain. (#2 AC: a syntactically broken block is left | |
| 569 | + // untouched.) | |
| 570 | + if ( ! self::self_consistent( $body ) ) { | |
| 571 | + return $block; | |
| 572 | + } | |
| 573 | + | |
| 574 | + if ( 'script' === $tag ) { | |
| 575 | + // An external script has no body worth minifying. | |
| 576 | + if ( preg_match( '#\bsrc\s*=#i', $open ) ) { | |
| 577 | + return $block; | |
| 578 | + } | |
| 579 | + // No type, or an explicitly JavaScript type, is code. Everything | |
| 580 | + // else is data/markup — see the docblock. | |
| 581 | + $js_types = array( | |
| 582 | + 'text/javascript', | |
| 583 | + 'application/javascript', | |
| 584 | + 'application/ecmascript', | |
| 585 | + 'text/ecmascript', | |
| 586 | + 'module', | |
| 587 | + ); | |
| 588 | + if ( preg_match( '#\btype\s*=\s*["\']?([^"\'\s>]+)#i', $open, $type_match ) ) { | |
| 589 | + if ( ! in_array( strtolower( trim( $type_match[1] ) ), $js_types, true ) ) { | |
| 590 | + return $block; | |
| 591 | + } | |
| 592 | + } | |
| 593 | + } | |
| 594 | + | |
| 595 | + try { | |
| 596 | + $minifier = 'style' === $tag | |
| 597 | + ? new \MatthiasMullie\Minify\CSS() | |
| 598 | + : new \MatthiasMullie\Minify\JS(); | |
| 599 | + $minifier->add( $body ); | |
| 600 | + $minified = $minifier->minify(); | |
| 601 | + } catch ( \Throwable $e ) { | |
| 602 | + return $block; | |
| 603 | + } | |
| 604 | + | |
| 605 | + // A minifier that returns nothing for a non-empty body has failed, not | |
| 606 | + // succeeded — shipping '' would silently delete the rule set. | |
| 607 | + if ( ! is_string( $minified ) || '' === trim( $minified ) ) { | |
| 608 | + return $block; | |
| 609 | + } | |
| 610 | + if ( ! self::balanced( $body, $minified ) ) { | |
| 611 | + return $block; | |
| 612 | + } | |
| 613 | + | |
| 614 | + return $open . $minified . $close; | |
| 615 | + } | |
| 616 | + | |
| 617 | + /** | |
| 618 | + * Does a body's own paired delimiters balance? | |
| 619 | + * | |
| 620 | + * balanced() is a RELATIVE check — source against minified — so it cannot | |
| 621 | + * see input that was already broken: an unbalanced body minifies to an | |
| 622 | + * equally unbalanced one and the counts still agree. This is the absolute | |
| 623 | + * check, applied to the source alone before we touch it. | |
| 624 | + * | |
| 625 | + * Deliberately naive: it counts tokens without parsing, so a brace inside | |
| 626 | + * a string or comment skews it. That only ever makes it MORE conservative — | |
| 627 | + * a false negative skips minification, which costs bytes, while a false | |
| 628 | + * positive would ship broken code. (#2) | |
| 629 | + * | |
| 630 | + * @param string $body Inline block body. | |
| 631 | + */ | |
| 632 | + private static function self_consistent( string $body ): bool { | |
| 633 | + $pairs = array( | |
| 634 | + '{' => '}', | |
| 635 | + '(' => ')', | |
| 636 | + '[' => ']', | |
| 637 | + ); | |
| 638 | + foreach ( $pairs as $open => $close ) { | |
| 639 | + if ( substr_count( $body, $open ) !== substr_count( $body, $close ) ) { | |
| 235 | 640 | return false; |
| 236 | 641 | } |
| 237 | 642 | } |
| 643 | + // Backticks and quotes pair with themselves, so an odd count means an | |
| 644 | + // unterminated literal. | |
| 645 | + foreach ( array( '`' ) as $token ) { | |
| 646 | + if ( 0 !== substr_count( $body, $token ) % 2 ) { | |
| 647 | + return false; | |
| 648 | + } | |
| 649 | + } | |
| 238 | 650 | return true; |
| 239 | 651 | } |
| 240 | 652 | |
| 653 | + private static function balanced( string $source, string $minified ): bool { | |
| 654 | + unset( $source ); | |
| 655 | + | |
| 656 | + // Judge the OUTPUT, not the difference between input and output. | |
| 657 | + // | |
| 658 | + // This used to compare token counts across the pair, on the stated | |
| 659 | + // assumption that "literal braces inside strings survive minification | |
| 660 | + // unchanged, so they cancel out". Comments do not: stripping them is | |
| 661 | + // the minifier's whole job, and every brace, bracket and backtick | |
| 662 | + // inside one disappears with it. So any file whose comments contain a | |
| 663 | + // delimiter — a commented-out block, a URL in a docblock, an SVG in a | |
| 664 | + // note — failed the check and silently shipped unminified. | |
| 665 | + // | |
| 666 | + // It is not a rare shape. EmbedPress's front.js counts 372 braces | |
| 667 | + // against 368, 61 brackets against 58 and 110 backticks against 102 | |
| 668 | + // purely from comment removal, so 67 KB shipped raw where 46 KB was | |
| 669 | + // correct — and `node --check` confirms that rejected output parses | |
| 670 | + // fine. A guard that refuses valid work is not conservative, it is | |
| 671 | + // broken: it costs bytes on every request and reports nothing. | |
| 672 | + // | |
| 673 | + // What the guard is FOR still stands (#2): matthiasmullie/minify can | |
| 674 | + // truncate inside a template literal on complex modern JS and return a | |
| 675 | + // body that looks minified but is structurally broken. That failure is | |
| 676 | + // visible in the output alone — an unterminated literal leaves an odd | |
| 677 | + // backtick count and unmatched braces — which is exactly what | |
| 678 | + // self_consistent() measures, without the false positives. | |
| 679 | + return self::self_consistent( $minified ); | |
| 680 | + } | |
| 681 | + | |
| 241 | 682 | /** |
| 242 | 683 | * Resolve a local asset URL to a filesystem path using a strict allowlist |
| 243 | 684 | * of "URL prefix → filesystem prefix" pairs registered with WordPress. |
| 244 | 685 | * |
| @@ -280,19 +721,40 @@ | ||
| 280 | 721 | array( content_url(), WP_CONTENT_DIR ), |
| 281 | 722 | array( includes_url(), ABSPATH . WPINC ), |
| 282 | 723 | ); |
| 283 | 724 | |
| 725 | + // The host check above normalised the HOST but not the SCHEME, and the | |
| 726 | + // prefix match below is a plain string compare — so an https asset URL | |
| 727 | + // never matched an http base and the file silently shipped unminified. | |
| 728 | + // That is not a corner case: WP_CONTENT_URL is derived from a stored | |
| 729 | + // option, `plugins_url()` from another, and a site moved to https | |
| 730 | + // without rewriting every row (or one behind a TLS-terminating proxy | |
| 731 | + // where `is_ssl()` reads false) serves https pages off http-rooted | |
| 732 | + // bases all day. Comparing scheme-less is the whole fix; the host | |
| 733 | + // equality test already did the security work of refusing anything | |
| 734 | + // off-site, and this runs after it. | |
| 735 | + $strip_scheme = static function ( string $value ): string { | |
| 736 | + return (string) preg_replace( '#^https?://#i', '//', $value ); | |
| 737 | + }; | |
| 738 | + $clean_match = $strip_scheme( $clean ); | |
| 739 | + | |
| 284 | 740 | foreach ( $candidates as $pair ) { |
| 285 | 741 | list( $url_base, $path_base ) = $pair; |
| 286 | 742 | if ( ! $url_base || ! $path_base ) { |
| 287 | 743 | continue; |
| 288 | 744 | } |
| 289 | - $url_base = rtrim( $url_base, '/' ); | |
| 290 | - if ( 0 !== strpos( $clean, $url_base . '/' ) && $clean !== $url_base ) { | |
| 745 | + $url_base = rtrim( $url_base, '/' ); | |
| 746 | + $base_match = $strip_scheme( $url_base ); | |
| 747 | + if ( 0 !== strpos( $clean_match, $base_match . '/' ) && $clean_match !== $base_match ) { | |
| 291 | 748 | continue; |
| 292 | 749 | } |
| 293 | 750 | |
| 294 | - $relative = ltrim( substr( $clean, strlen( $url_base ) ), '/' ); | |
| 751 | + // Slice the scheme-less pair, not the original. `https://…` and | |
| 752 | + // `http://…` differ by one byte, so an offset taken from the base | |
| 753 | + // as written would cut one character short of (or past) the path | |
| 754 | + // when the two schemes disagree — which is the case this fix | |
| 755 | + // exists for. | |
| 756 | + $relative = ltrim( substr( $clean_match, strlen( $base_match ) ), '/' ); | |
| 295 | 757 | $candidate = trailingslashit( $path_base ) . $relative; |
| 296 | 758 | |
| 297 | 759 | $real_base = realpath( $path_base ); |
| 298 | 760 | $real = realpath( $candidate ); |
| @@ -320,14 +782,96 @@ | ||
| 320 | 782 | Cache::write_silence( $dir ); |
| 321 | 783 | } |
| 322 | 784 | } |
| 323 | 785 | |
| 786 | + /** | |
| 787 | + * Delete every minified and combined asset, network-wide. | |
| 788 | + * | |
| 789 | + * Output files are named by content, so an ordinary purge has no reason | |
| 790 | + * to delete them: a page rendered after it links the same names. Only a | |
| 791 | + * network purge, an update, an explicit assets purge and deactivation | |
| 792 | + * come here. Deleting is still a race against renders in flight, which | |
| 793 | + * may already hold the names of files about to vanish; the purge stamp | |
| 794 | + * bumped here lets the page cache refuse to store those renders. | |
| 795 | + * | |
| 796 | + * @return int Files removed. Most callers are `add_action` callbacks and | |
| 797 | + * ignore it; `wp xspeed purge` reports it as a line item. | |
| 798 | + */ | |
| 324 | 799 | public static function purge_minified() { |
| 325 | - $dir = self::min_dir(); | |
| 800 | + $removed = self::rmtree_files( self::min_dir() ); | |
| 801 | + if ( $removed > 0 ) { | |
| 802 | + self::bump_purge_stamp(); | |
| 803 | + } | |
| 804 | + return $removed; | |
| 805 | + } | |
| 806 | + | |
| 807 | + /** | |
| 808 | + * Delete one blog's manifests, leaving every output file in place. | |
| 809 | + * | |
| 810 | + * What a subsite's assets purge can safely do on a network whose blogs | |
| 811 | + * share min/: the next render of each source re-reads its bytes and | |
| 812 | + * rebuilds only if they changed, and no other blog's cached page loses a | |
| 813 | + * file it links. Outputs nothing links any more are left to Cache_GC. | |
| 814 | + * | |
| 815 | + * @param int $blog_id Blog whose manifests to drop. | |
| 816 | + * @return int Manifests removed. | |
| 817 | + */ | |
| 818 | + public static function purge_manifests( int $blog_id ): int { | |
| 819 | + $dir = Asset_Manifest::dir( $blog_id ); | |
| 820 | + $removed = self::rmtree_files( $dir ); | |
| 821 | + @rmdir( $dir ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir, WordPress.PHP.NoSilencedErrors.Discouraged -- best-effort cleanup of our own cache subdir; WP_Filesystem is unavailable on the frontend purge path. | |
| 822 | + return $removed; | |
| 823 | + } | |
| 824 | + | |
| 825 | + /** File holding the purge stamp. Network-wide, like min/ itself. */ | |
| 826 | + public static function purge_stamp_path(): string { | |
| 827 | + return rtrim( (string) XSPEED_CACHE_DIR, '/' ) . '/min-purge.stamp'; | |
| 828 | + } | |
| 829 | + | |
| 830 | + /** | |
| 831 | + * Token that changes every time purge_minified() deletes something. | |
| 832 | + * | |
| 833 | + * The page cache reads it when a render starts and again before storing | |
| 834 | + * the page. A different value means files the page may link were deleted | |
| 835 | + * in between, so the page is served but not cached. | |
| 836 | + * | |
| 837 | + * @return string '' when no purge has ever deleted anything. | |
| 838 | + */ | |
| 839 | + public static function purge_stamp(): string { | |
| 840 | + $stamp = @file_get_contents( self::purge_stamp_path() ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- absent until the first purge; tiny cache sidecar read on the front end, where WP_Filesystem is unavailable. | |
| 841 | + return is_string( $stamp ) ? trim( $stamp ) : ''; | |
| 842 | + } | |
| 843 | + | |
| 844 | + /** Replace the purge stamp with a new random token. */ | |
| 845 | + private static function bump_purge_stamp(): void { | |
| 846 | + $path = self::purge_stamp_path(); | |
| 847 | + if ( ! is_dir( dirname( $path ) ) ) { | |
| 848 | + return; | |
| 849 | + } | |
| 850 | + Asset_Manifest::write_atomic( $path, bin2hex( random_bytes( 8 ) ) ); | |
| 851 | + } | |
| 852 | + | |
| 853 | + /** | |
| 854 | + * Recursively delete every file under $dir (and the emptied | |
| 855 | + * subdirectories), keeping $dir itself. The previous glob('$dir/*') | |
| 856 | + * was non-recursive and no-ops on directories, so combined assets in | |
| 857 | + * min/combined/ were never cleared — a purge left a stale | |
| 858 | + * combined-<hash>.css the regenerated page no longer referenced. | |
| 859 | + * (FBS-83114 / FBS-83116) | |
| 860 | + */ | |
| 861 | + private static function rmtree_files( string $dir ): int { | |
| 326 | 862 | if ( ! is_dir( $dir ) ) { |
| 327 | - return; | |
| 863 | + return 0; | |
| 328 | 864 | } |
| 329 | - foreach ( glob( $dir . '/*' ) as $file ) { | |
| 330 | - wp_delete_file( $file ); | |
| 865 | + $removed = 0; | |
| 866 | + foreach ( (array) glob( $dir . '/*' ) as $path ) { | |
| 867 | + if ( is_dir( $path ) ) { | |
| 868 | + $removed += self::rmtree_files( $path ); | |
| 869 | + @rmdir( $path ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir, WordPress.PHP.NoSilencedErrors.Discouraged -- best-effort cleanup of our own cache subdir; WP_Filesystem is unavailable on the frontend purge path. | |
| 870 | + continue; | |
| 871 | + } | |
| 872 | + wp_delete_file( $path ); | |
| 873 | + ++$removed; | |
| 331 | 874 | } |
| 875 | + return $removed; | |
| 332 | 876 | } |
| 333 | 877 | } |
