| 1 |
<?php |
| 2 |
namespace ABlocks\Classes; |
| 3 |
|
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
use ABlocks\Controls\Typography; |
| 9 |
use ABlocks\Controls\Color; |
| 10 |
use ABlocks\Controls\Dimensions; |
| 11 |
use ABlocks\Controls\Alignment; |
| 12 |
use ABlocks\Helper; |
| 13 |
|
| 14 |
/** |
| 15 |
* Shared "bucket -> CSS" transformer for the atomic style system, so a block's |
| 16 |
* local class and a reusable global class compile identically. |
| 17 |
* |
| 18 |
* A bucket is one set of style props for a given (breakpoint x interaction |
| 19 |
* state). Where the bucket lives is StyleBuckets' concern; which props exist |
| 20 |
* and what CSS they become is StylesSchema's. This class only turns one |
| 21 |
* bucket's props into declarations, and walks the tree to build rules. |
| 22 |
*/ |
| 23 |
class AtomicStyles { |
| 24 |
|
| 25 |
/** |
| 26 |
* Compile a full bucket tree for one selector base into CSS. |
| 27 |
* |
| 28 |
* The stored state key IS the pseudo-selector, so it is appended directly; |
| 29 |
* the breakpoint comes from the bucket's device via the one media-query |
| 30 |
* builder. Buckets emit widest-first, which is what makes a narrower |
| 31 |
* breakpoint win in cascade mode. |
| 32 |
*/ |
| 33 |
public static function compile_variants( $selector_base, $styles ) { |
| 34 |
return self::rules_to_css( self::compile_rules( $styles ), $selector_base ); |
| 35 |
} |
| 36 |
|
| 37 |
/** |
| 38 |
* Compile a bucket tree into a normalised rule list: |
| 39 |
* |
| 40 |
* [ [ media-query, state-selector, [ [ prop, value ], … ] ], … ] |
| 41 |
* |
| 42 |
* Values are cast to strings and the structure is a plain list, so the JSON |
| 43 |
* encoding is byte-identical to the JS mirror's `JSON.stringify` — that is |
| 44 |
* what makes the style hash reproducible across the editor and the front end. |
| 45 |
* |
| 46 |
* `$alignment` (the block's own alignment attribute, which lives outside the |
| 47 |
* bucket tree and is still device-suffixed) folds into each device's normal |
| 48 |
* state. It has to participate in the hash: two blocks with identical styles |
| 49 |
* but different alignment are not interchangeable. |
| 50 |
*/ |
| 51 |
public static function compile_rules( $styles, $alignment = [] ) { |
| 52 |
$rules = []; |
| 53 |
$devices = Helper::get_responsive_devices(); |
| 54 |
$has_styles = StyleBuckets::has_schema_version( $styles ); |
| 55 |
|
| 56 |
foreach ( $devices as $device ) { |
| 57 |
$media = Helper::breakpoint_media_query( $device ); |
| 58 |
$bucket_key = StyleBuckets::device_bucket_key( $device ); |
| 59 |
|
| 60 |
foreach ( StyleBuckets::state_keys() as $state ) { |
| 61 |
$declarations = []; |
| 62 |
|
| 63 |
if ( $has_styles ) { |
| 64 |
$props = StyleBuckets::read_bucket( $styles, $bucket_key, $state ); |
| 65 |
if ( ! empty( $props ) ) { |
| 66 |
$declarations = self::apply_background_reset( |
| 67 |
self::state_declarations( $props ), |
| 68 |
'' === $state && '' === $bucket_key |
| 69 |
); |
| 70 |
} |
| 71 |
} |
| 72 |
|
| 73 |
// Alignment applies to the normal state, last so it beats a |
| 74 |
// `textAlign` style prop set at the same level. |
| 75 |
if ( '' === $state && ! empty( $alignment ) ) { |
| 76 |
$declarations = array_merge( |
| 77 |
$declarations, |
| 78 |
Alignment::get_css( $alignment, 'text-align', $device['suffix'] ) |
| 79 |
); |
| 80 |
} |
| 81 |
|
| 82 |
if ( empty( $declarations ) ) { |
| 83 |
continue; |
| 84 |
} |
| 85 |
|
| 86 |
$pairs = []; |
| 87 |
foreach ( $declarations as $property => $value ) { |
| 88 |
if ( '' === $value || null === $value ) { |
| 89 |
continue; |
| 90 |
} |
| 91 |
$pairs[] = [ (string) $property, (string) $value ]; |
| 92 |
} |
| 93 |
|
| 94 |
if ( ! empty( $pairs ) ) { |
| 95 |
$rules[] = [ $media, $state, $pairs ]; |
| 96 |
} |
| 97 |
} |
| 98 |
} |
| 99 |
|
| 100 |
return $rules; |
| 101 |
} |
| 102 |
|
| 103 |
/** |
| 104 |
* FNV-1a 32-bit over the normalised rule list. |
| 105 |
* |
| 106 |
* Deliberately not md5: the editor has to compute the identical hash at save |
| 107 |
* time, and FNV-1a is a handful of lines in both languages rather than a |
| 108 |
* crypto dependency in the editor bundle. |
| 109 |
*/ |
| 110 |
public static function style_hash( $rules ) { |
| 111 |
$json = wp_json_encode( $rules, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); |
| 112 |
$hash = 2166136261; |
| 113 |
$len = strlen( $json ); |
| 114 |
|
| 115 |
for ( $i = 0; $i < $len; $i++ ) { |
| 116 |
$hash ^= ord( $json[ $i ] ); |
| 117 |
$hash = ( $hash * 16777619 ) & 0xFFFFFFFF; |
| 118 |
} |
| 119 |
|
| 120 |
return str_pad( dechex( $hash ), 8, '0', STR_PAD_LEFT ); |
| 121 |
} |
| 122 |
|
| 123 |
/** The shared style class for a bucket tree, or '' when it compiles to nothing. */ |
| 124 |
public static function style_class( $styles, $alignment = [] ) { |
| 125 |
$rules = self::compile_rules( $styles, $alignment ); |
| 126 |
return empty( $rules ) ? '' : 'ablocks-s-' . self::style_hash( $rules ); |
| 127 |
} |
| 128 |
|
| 129 |
/** Hashes already emitted this request, so each rule set is written once. */ |
| 130 |
private static $emitted = []; |
| 131 |
|
| 132 |
/** Forget what has been emitted (test/CLI helper). */ |
| 133 |
public static function reset_emitted() { |
| 134 |
self::$emitted = []; |
| 135 |
} |
| 136 |
|
| 137 |
/** |
| 138 |
* Register a block's compiled styles and return its shared class plus the |
| 139 |
* CSS that still needs emitting — empty on every block after the first with |
| 140 |
* the same rule set, which is where the duplicate-CSS reduction comes from. |
| 141 |
* |
| 142 |
* The class is repeated in the selector (0-2-0) so a block's own styles beat |
| 143 |
* an applied global class (0-1-0) without resorting to `!important`, which |
| 144 |
* would make global classes unable to override anything. |
| 145 |
*/ |
| 146 |
public static function register_styles( $styles, $alignment = [] ) { |
| 147 |
$rules = self::compile_rules( $styles, $alignment ); |
| 148 |
if ( empty( $rules ) ) { |
| 149 |
return [ 'class' => '', 'css' => '' ]; |
| 150 |
} |
| 151 |
|
| 152 |
$hash = self::style_hash( $rules ); |
| 153 |
$class = 'ablocks-s-' . $hash; |
| 154 |
|
| 155 |
if ( isset( self::$emitted[ $hash ] ) ) { |
| 156 |
return [ 'class' => $class, 'css' => '' ]; |
| 157 |
} |
| 158 |
self::$emitted[ $hash ] = true; |
| 159 |
|
| 160 |
return [ 'class' => $class, 'css' => self::rules_to_css( $rules, '.' . $class . '.' . $class ) ]; |
| 161 |
} |
| 162 |
|
| 163 |
/** Render a normalised rule list against a selector base. */ |
| 164 |
public static function rules_to_css( $rules, $selector_base ) { |
| 165 |
$css = ''; |
| 166 |
foreach ( $rules as $rule ) { |
| 167 |
list( $media, $state, $pairs ) = $rule; |
| 168 |
$declarations = ''; |
| 169 |
foreach ( $pairs as $pair ) { |
| 170 |
// Escaped here rather than at the schema, so every kind of prop |
| 171 |
// — scalar, range, colour, typography, effect, overlay — passes |
| 172 |
// through one guard on its way out. This runs after style_hash() |
| 173 |
// has already read $rules, so the hash the editor writes into |
| 174 |
// the markup is unaffected. |
| 175 |
$declarations .= Helper::esc_css_value( $pair[0] ) . ':' . Helper::esc_css_value( $pair[1] ) . ';'; |
| 176 |
} |
| 177 |
$body = $selector_base . $state . '{' . $declarations . '}'; |
| 178 |
$css .= ( '' !== $media ) ? $media . '{' . $body . '}' : $body; |
| 179 |
} |
| 180 |
return $css; |
| 181 |
} |
| 182 |
|
| 183 |
/** Whether a bucket is the base one (base device, normal state). */ |
| 184 |
public static function is_base_bucket( $bucket ) { |
| 185 |
return '' === $bucket['state'] |
| 186 |
&& '' === StyleBuckets::device_bucket_key( $bucket['device'] ); |
| 187 |
} |
| 188 |
|
| 189 |
/** |
| 190 |
* A bucket that sets a solid background colour and no gradient of its own |
| 191 |
* must clear any gradient inherited from a lower-precedence bucket: |
| 192 |
* `background-color` and `background-image` are separate properties, so the |
| 193 |
* gradient would otherwise stay painted on top of the solid colour. |
| 194 |
* |
| 195 |
* Skipped for the base bucket on purpose — resetting there would also wipe a |
| 196 |
* gradient supplied by an applied global class, which the block never asked |
| 197 |
* to override. |
| 198 |
*/ |
| 199 |
public static function apply_background_reset( $declarations, $is_base_bucket ) { |
| 200 |
if ( $is_base_bucket || ! is_array( $declarations ) ) { |
| 201 |
return $declarations; |
| 202 |
} |
| 203 |
|
| 204 |
$has_color = isset( $declarations['background-color'] ) && '' !== $declarations['background-color']; |
| 205 |
$has_image = isset( $declarations['background-image'] ) && '' !== $declarations['background-image']; |
| 206 |
|
| 207 |
if ( $has_color && ! $has_image ) { |
| 208 |
$declarations['background-image'] = 'unset'; |
| 209 |
} |
| 210 |
|
| 211 |
return $declarations; |
| 212 |
} |
| 213 |
|
| 214 |
/** |
| 215 |
* Compile one bucket of style props into a CSS declarations map. |
| 216 |
* |
| 217 |
* Props inside a bucket carry no device suffix — the bucket key is the |
| 218 |
* device — so this reads them directly. Every prop the atomic system |
| 219 |
* understands is declared once in StylesSchema; this walks that descriptor |
| 220 |
* rather than enumerating props itself, so the JS editor compiler and this |
| 221 |
* one cannot drift on which props exist, what CSS property each maps to, or |
| 222 |
* what order they emit in. |
| 223 |
*/ |
| 224 |
public static function state_declarations( $props ) { |
| 225 |
$css = []; |
| 226 |
if ( ! is_array( $props ) ) { |
| 227 |
return $css; |
| 228 |
} |
| 229 |
|
| 230 |
foreach ( StylesSchema::props() as $entry ) { |
| 231 |
$prop = $entry['prop']; |
| 232 |
|
| 233 |
switch ( $entry['kind'] ) { |
| 234 |
|
| 235 |
case 'typography': |
| 236 |
if ( ! empty( $props['typography'] ) ) { |
| 237 |
$global = ! empty( $props['typographyGlobal'] ) ? $props['typographyGlobal'] : ''; |
| 238 |
// false: no font-stack expansion — the JS mirror cannot |
| 239 |
// reproduce it, and these declarations are hashed. |
| 240 |
$css = array_merge( $css, Typography::get_css( $props['typography'], '', '', $global, false ) ); |
| 241 |
} |
| 242 |
break; |
| 243 |
|
| 244 |
case 'color': |
| 245 |
$value = self::read_scalar( $props, $prop ); |
| 246 |
if ( '' !== $value ) { |
| 247 |
$css[ $entry['css'] ] = Color::get_css( $value ); |
| 248 |
} |
| 249 |
break; |
| 250 |
|
| 251 |
case 'scalar': |
| 252 |
$value = self::read_scalar( $props, $prop ); |
| 253 |
if ( '' !== $value ) { |
| 254 |
$css[ $entry['css'] ] = $value; |
| 255 |
} |
| 256 |
break; |
| 257 |
|
| 258 |
case 'range': |
| 259 |
$value = self::read_range( $props, $prop ); |
| 260 |
if ( '' !== $value ) { |
| 261 |
$css[ $entry['css'] ] = $value; |
| 262 |
} |
| 263 |
break; |
| 264 |
|
| 265 |
case 'effect': |
| 266 |
// Repeatable lists (shadow / transform / transition / filters). |
| 267 |
$value = StyleEffects::to_css( $prop, isset( $props[ $prop ] ) ? $props[ $prop ] : null ); |
| 268 |
if ( '' !== $value ) { |
| 269 |
$css[ $entry['css'] ] = $value; |
| 270 |
} |
| 271 |
break; |
| 272 |
|
| 273 |
case 'overlay': |
| 274 |
// Background overlay layers -> background-image + the four |
| 275 |
// positional properties, emitted together. |
| 276 |
$css = array_merge( $css, StyleBackground::to_declarations( isset( $props[ $prop ] ) ? $props[ $prop ] : null ) ); |
| 277 |
break; |
| 278 |
|
| 279 |
case 'clip': |
| 280 |
// `background-clip: text` still needs the -webkit- longhand. |
| 281 |
$value = self::read_scalar( $props, $prop ); |
| 282 |
if ( '' !== $value ) { |
| 283 |
$css[ '-webkit-' . $entry['css'] ] = $value; |
| 284 |
$css[ $entry['css'] ] = $value; |
| 285 |
} |
| 286 |
break; |
| 287 |
|
| 288 |
case 'border': |
| 289 |
$css = array_merge( $css, self::border_css( $props ) ); |
| 290 |
break; |
| 291 |
|
| 292 |
case 'dimensions': |
| 293 |
$css = array_merge( $css, self::spacing_css( $props, $prop ) ); |
| 294 |
break; |
| 295 |
} |
| 296 |
} |
| 297 |
|
| 298 |
// An explicit width, held against a flex row too narrow for it, held |
| 299 |
// against a row with space to spare, held against the base stylesheets' |
| 300 |
// `flex-basis: 0%` on every container child, kept from overflowing a |
| 301 |
// parent narrower than it, and centred in whatever is left — all five |
| 302 |
// mirror the JS compiler's stateToPairs(), which carries the full |
| 303 |
// reasoning. Appended after the schema loop in both, so the declaration |
| 304 |
// order the style hash is taken over stays identical. |
| 305 |
$has_width = '' !== self::read_range( $props, 'width' ); |
| 306 |
$has_max_width = '' !== self::read_range( $props, 'maxWidth' ); |
| 307 |
|
| 308 |
if ( $has_width ) { |
| 309 |
if ( '' === self::read_scalar( $props, 'flexShrink' ) ) { |
| 310 |
$css['flex-shrink'] = '0'; |
| 311 |
} |
| 312 |
if ( '' === self::read_scalar( $props, 'flexGrow' ) ) { |
| 313 |
$css['flex-grow'] = '0'; |
| 314 |
} |
| 315 |
if ( '' === self::read_scalar( $props, 'flexBasis' ) ) { |
| 316 |
$css['flex-basis'] = 'auto'; |
| 317 |
} |
| 318 |
if ( ! $has_max_width ) { |
| 319 |
$css['max-width'] = '100%'; |
| 320 |
} |
| 321 |
} |
| 322 |
|
| 323 |
// Centring answers to EITHER cap — see the JS note. Kept as its own |
| 324 |
// condition rather than folded into the block above so the declaration |
| 325 |
// order both compilers hash over stays identical. |
| 326 |
if ( ( $has_width || $has_max_width ) && ! self::has_horizontal_margin( $props ) ) { |
| 327 |
$css['margin-left'] = 'auto'; |
| 328 |
$css['margin-right'] = 'auto'; |
| 329 |
} |
| 330 |
|
| 331 |
return $css; |
| 332 |
} |
| 333 |
|
| 334 |
/** |
| 335 |
* Whether the author set a left/right margin of their own — `common` covers |
| 336 |
* the linked case, where one value drives all four sides. |
| 337 |
* |
| 338 |
* @param array $props The bucket's props. |
| 339 |
* @return bool Whether a horizontal margin is set. |
| 340 |
*/ |
| 341 |
private static function has_horizontal_margin( $props ) { |
| 342 |
$margin = isset( $props['margin'] ) ? $props['margin'] : null; |
| 343 |
if ( ! is_array( $margin ) ) { |
| 344 |
return false; |
| 345 |
} |
| 346 |
foreach ( [ 'common', 'left', 'right' ] as $side ) { |
| 347 |
if ( isset( $margin[ $side ] ) && '' !== $margin[ $side ] ) { |
| 348 |
return true; |
| 349 |
} |
| 350 |
} |
| 351 |
return false; |
| 352 |
} |
| 353 |
|
| 354 |
/** A scalar prop from this bucket. Absent means "inherit", not "empty". */ |
| 355 |
private static function read_scalar( $props, $base ) { |
| 356 |
return ( isset( $props[ $base ] ) && '' !== $props[ $base ] ) ? $props[ $base ] : ''; |
| 357 |
} |
| 358 |
|
| 359 |
/** An aBlocks Range object ({ value, valueUnit }) -> "<value><unit>". */ |
| 360 |
private static function read_range( $props, $base ) { |
| 361 |
$obj = isset( $props[ $base ] ) ? $props[ $base ] : ''; |
| 362 |
|
| 363 |
if ( is_array( $obj ) ) { |
| 364 |
if ( ! isset( $obj['value'] ) || '' === $obj['value'] ) { |
| 365 |
return ''; |
| 366 |
} |
| 367 |
$unit = ( isset( $obj['valueUnit'] ) && '' !== $obj['valueUnit'] ) ? $obj['valueUnit'] : 'px'; |
| 368 |
return $obj['value'] . $unit; |
| 369 |
} |
| 370 |
|
| 371 |
return ( is_string( $obj ) && '' !== $obj ) ? $obj : ''; |
| 372 |
} |
| 373 |
|
| 374 |
/** |
| 375 |
* The border group: Range width/radius plus scalar style/colour. |
| 376 |
* |
| 377 |
* CSS paints no border without a style, so a bucket that sets only a width |
| 378 |
* OR only a colour still gets one. Colour-only is the common case — a hover |
| 379 |
* bucket that recolours an existing border — and it rendered nothing before |
| 380 |
* this fallback covered it. |
| 381 |
*/ |
| 382 |
private static function border_css( $props ) { |
| 383 |
$css = []; |
| 384 |
|
| 385 |
$width = self::read_range( $props, 'borderWidth' ); |
| 386 |
$style = self::read_scalar( $props, 'borderStyle' ); |
| 387 |
$color = self::read_scalar( $props, 'borderColor' ); |
| 388 |
$radius = self::read_range( $props, 'borderRadius' ); |
| 389 |
|
| 390 |
// Per-side widths are overrides layered on the uniform one, so they are |
| 391 |
// emitted after it and win by cascade order. |
| 392 |
$side_widths = []; |
| 393 |
$has_side_width = false; |
| 394 |
foreach ( StylesSchema::BORDER_SIDES as $side ) { |
| 395 |
$value = self::read_range( $props, 'borderWidth' . $side ); |
| 396 |
$side_widths[ strtolower( $side ) ] = $value; |
| 397 |
if ( '' !== $value ) { |
| 398 |
$has_side_width = true; |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
if ( '' !== $width ) { |
| 403 |
$css['border-width'] = $width; |
| 404 |
} |
| 405 |
foreach ( $side_widths as $side => $value ) { |
| 406 |
if ( '' !== $value ) { |
| 407 |
$css[ 'border-' . $side . '-width' ] = $value; |
| 408 |
} |
| 409 |
} |
| 410 |
|
| 411 |
// A width on any single side needs a style too, or it paints nothing. |
| 412 |
if ( '' !== $width || $has_side_width || '' !== $color ) { |
| 413 |
$css['border-style'] = '' !== $style ? $style : 'solid'; |
| 414 |
} elseif ( '' !== $style ) { |
| 415 |
// A style on its own is meaningful (e.g. `none` to remove a border). |
| 416 |
$css['border-style'] = $style; |
| 417 |
} |
| 418 |
|
| 419 |
if ( '' !== $color ) { |
| 420 |
$css['border-color'] = Color::get_css( $color ); |
| 421 |
} |
| 422 |
|
| 423 |
if ( '' !== $radius ) { |
| 424 |
$css['border-radius'] = $radius; |
| 425 |
} |
| 426 |
foreach ( StylesSchema::BORDER_CORNERS as $corner => $property ) { |
| 427 |
$value = self::read_range( $props, 'borderRadius' . $corner ); |
| 428 |
if ( '' !== $value ) { |
| 429 |
$css[ $property ] = $value; |
| 430 |
} |
| 431 |
} |
| 432 |
|
| 433 |
return $css; |
| 434 |
} |
| 435 |
|
| 436 |
/** |
| 437 |
* Compile padding/margin for one bucket via the aBlocks Dimensions control's |
| 438 |
* own get_css, so the output is identical to every other block's spacing. |
| 439 |
* The device argument is always '' — the bucket already is the device. |
| 440 |
*/ |
| 441 |
private static function spacing_css( $props, $prop ) { |
| 442 |
$obj = isset( $props[ $prop ] ) && is_array( $props[ $prop ] ) ? $props[ $prop ] : []; |
| 443 |
if ( empty( $obj ) ) { |
| 444 |
return []; |
| 445 |
} |
| 446 |
return Dimensions::get_css( $obj, $prop, '' ); |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Shared "Advanced" tab output: free-form Custom CSS (with a `selector` |
| 451 |
* placeholder for this block) + per-device visibility. $base is the block's |
| 452 |
* own selector. Mirrors the JS editor preview. |
| 453 |
*/ |
| 454 |
public static function advanced_css( $base, $attributes ) { |
| 455 |
$css = ''; |
| 456 |
|
| 457 |
// Custom CSS — `selector` resolves to this block; strip any </style> so |
| 458 |
// authored CSS can't break out of the inline <style> tag. |
| 459 |
$custom = isset( $attributes['customCSS'] ) ? (string) $attributes['customCSS'] : ''; |
| 460 |
if ( '' !== trim( $custom ) ) { |
| 461 |
$custom = str_replace( 'selector', $base, $custom ); |
| 462 |
$custom = preg_replace( '#</\s*style#i', '', $custom ); |
| 463 |
$css .= $custom; |
| 464 |
} |
| 465 |
|
| 466 |
/* |
| 467 |
* Responsive visibility — hide on desktop / tablet / mobile ranges. |
| 468 |
* |
| 469 |
* These deliberately stay EXCLUSIVE bands and do not follow the site's |
| 470 |
* `breakpoint_mode`. Visibility is not a cascading value: "hide on |
| 471 |
* tablet" must not also hide the block on mobile, so a max-width |
| 472 |
* envelope would be wrong here even when style rules cascade. |
| 473 |
*/ |
| 474 |
$hide = isset( $attributes['hideOn'] ) && is_array( $attributes['hideOn'] ) ? $attributes['hideOn'] : []; |
| 475 |
if ( ! empty( $hide['desktop'] ) || ! empty( $hide['tablet'] ) || ! empty( $hide['mobile'] ) ) { |
| 476 |
$bp = Helper::get_breakpoints(); |
| 477 |
$tablet = isset( $bp['tablet'] ) ? (int) $bp['tablet'] : 1024; |
| 478 |
$mobile = isset( $bp['mobile'] ) ? (int) $bp['mobile'] : 767; |
| 479 |
$none = $base . '{display:none !important;}'; |
| 480 |
if ( ! empty( $hide['desktop'] ) ) { |
| 481 |
$css .= '@media screen and (min-width:' . ( $tablet + 1 ) . 'px){' . $none . '}'; |
| 482 |
} |
| 483 |
if ( ! empty( $hide['tablet'] ) ) { |
| 484 |
$css .= '@media screen and (min-width:' . ( $mobile + 1 ) . 'px) and (max-width:' . $tablet . 'px){' . $none . '}'; |
| 485 |
} |
| 486 |
if ( ! empty( $hide['mobile'] ) ) { |
| 487 |
$css .= '@media screen and (max-width:' . $mobile . 'px){' . $none . '}'; |
| 488 |
} |
| 489 |
} |
| 490 |
|
| 491 |
return $css; |
| 492 |
} |
| 493 |
|
| 494 |
/** |
| 495 |
* Turn a declarations map into a minified declaration string. |
| 496 |
*/ |
| 497 |
public static function to_string( $declarations ) { |
| 498 |
$out = ''; |
| 499 |
foreach ( $declarations as $prop => $value ) { |
| 500 |
if ( '' !== $value && null !== $value ) { |
| 501 |
$out .= Helper::esc_css_value( $prop ) . ':' . Helper::esc_css_value( $value ) . ';'; |
| 502 |
} |
| 503 |
} |
| 504 |
return $out; |
| 505 |
} |
| 506 |
} |
| 507 |
|
