| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* bbPress Formatting |
| 5 |
* |
| 6 |
* @package bbPress |
| 7 |
* @subpackage Formatting |
| 8 |
*/ |
| 9 |
|
| 10 |
// Exit if accessed directly |
| 11 |
defined( 'ABSPATH' ) || exit; |
| 12 |
|
| 13 |
/** Kses **********************************************************************/ |
| 14 |
|
| 15 |
/** |
| 16 |
* Custom allowed tags for forum topics and replies |
| 17 |
* |
| 18 |
* Allows all users to post links, quotes, code, formatting, lists, and images |
| 19 |
* |
| 20 |
* @since 2.3.0 bbPress (r4603) |
| 21 |
* |
| 22 |
* @return array Associative array of allowed tags and attributes |
| 23 |
*/ |
| 24 |
function bbp_kses_allowed_tags() { |
| 25 |
|
| 26 |
// Filter & return |
| 27 |
return (array) apply_filters( 'bbp_kses_allowed_tags', array( |
| 28 |
|
| 29 |
// Links |
| 30 |
'a' => array( |
| 31 |
'href' => true, |
| 32 |
'title' => true, |
| 33 |
'rel' => true, |
| 34 |
'target' => true |
| 35 |
), |
| 36 |
|
| 37 |
// Quotes |
| 38 |
'blockquote' => array( |
| 39 |
'cite' => true |
| 40 |
), |
| 41 |
|
| 42 |
// Code |
| 43 |
'code' => array(), |
| 44 |
'pre' => array( |
| 45 |
'class' => true |
| 46 |
), |
| 47 |
|
| 48 |
// Formatting |
| 49 |
'em' => array(), |
| 50 |
'strong' => array(), |
| 51 |
'del' => array( |
| 52 |
'datetime' => true, |
| 53 |
'cite' => true |
| 54 |
), |
| 55 |
'ins' => array( |
| 56 |
'datetime' => true, |
| 57 |
'cite' => true |
| 58 |
), |
| 59 |
|
| 60 |
// Lists |
| 61 |
'ul' => array(), |
| 62 |
'ol' => array( |
| 63 |
'start' => true, |
| 64 |
), |
| 65 |
'li' => array(), |
| 66 |
|
| 67 |
// Images |
| 68 |
'img' => array( |
| 69 |
'src' => true, |
| 70 |
'border' => true, |
| 71 |
'alt' => true, |
| 72 |
'height' => true, |
| 73 |
'width' => true, |
| 74 |
) |
| 75 |
) ); |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* Custom kses filter for forum topics and replies, for filtering incoming data |
| 80 |
* |
| 81 |
* @since 2.3.0 bbPress (r4603) |
| 82 |
* |
| 83 |
* @param string $data Content to filter, expected to be escaped with slashes |
| 84 |
* @return string Filtered content |
| 85 |
*/ |
| 86 |
function bbp_filter_kses( $data = '' ) { |
| 87 |
return wp_slash( wp_kses( wp_unslash( $data ), bbp_kses_allowed_tags() ) ); |
| 88 |
} |
| 89 |
|
| 90 |
/** |
| 91 |
* Custom kses filter for forum topics and replies, for raw data |
| 92 |
* |
| 93 |
* @since 2.3.0 bbPress (r4603) |
| 94 |
* |
| 95 |
* @param string $data Content to filter, expected to not be escaped |
| 96 |
* @return string Filtered content |
| 97 |
*/ |
| 98 |
function bbp_kses_data( $data = '' ) { |
| 99 |
return wp_kses( $data , bbp_kses_allowed_tags() ); |
| 100 |
} |
| 101 |
|
| 102 |
/** Formatting ****************************************************************/ |
| 103 |
|
| 104 |
/** |
| 105 |
* Filter the topic or reply content and output code and pre tags |
| 106 |
* |
| 107 |
* @since 2.3.0 bbPress (r4641) |
| 108 |
* |
| 109 |
* @param string $content Topic and reply content |
| 110 |
* @return string Partially encoded content |
| 111 |
*/ |
| 112 |
function bbp_code_trick( $content = '' ) { |
| 113 |
$content = str_replace( array( "\r\n", "\r" ), "\n", $content ); |
| 114 |
$content = preg_replace_callback( "|(`)(.*?)`|", 'bbp_encode_callback', $content ); |
| 115 |
$content = preg_replace_callback( "!(^|\n)`(.*?)`!s", 'bbp_encode_callback', $content ); |
| 116 |
|
| 117 |
return $content; |
| 118 |
} |
| 119 |
|
| 120 |
/** |
| 121 |
* When editing a topic or reply, reverse the code trick so the textarea |
| 122 |
* contains the correct editable content. |
| 123 |
* |
| 124 |
* @since 2.3.0 bbPress (r4641) |
| 125 |
* |
| 126 |
* @param string $content Topic and reply content |
| 127 |
* @return string Partially encoded content |
| 128 |
*/ |
| 129 |
function bbp_code_trick_reverse( $content = '' ) { |
| 130 |
|
| 131 |
// Setup variables |
| 132 |
$openers = array( '<p>', '<br />' ); |
| 133 |
$content = preg_replace_callback( "!(<pre><code>|<code>)(.*?)(</code></pre>|</code>)!s", 'bbp_decode_callback', $content ); |
| 134 |
|
| 135 |
// Do the do |
| 136 |
$content = str_replace( $openers, '', $content ); |
| 137 |
$content = str_replace( '</p>', "\n", $content ); |
| 138 |
$content = str_replace( '<coded_br />', '<br />', $content ); |
| 139 |
$content = str_replace( '<coded_p>', '<p>', $content ); |
| 140 |
$content = str_replace( '</coded_p>', '</p>', $content ); |
| 141 |
|
| 142 |
return $content; |
| 143 |
} |
| 144 |
|
| 145 |
/** |
| 146 |
* Filter the content and encode any bad HTML tags |
| 147 |
* |
| 148 |
* @since 2.3.0 bbPress (r4641) |
| 149 |
* |
| 150 |
* @param string $content Topic and reply content |
| 151 |
* @return string Partially encoded content |
| 152 |
*/ |
| 153 |
function bbp_encode_bad( $content = '' ) { |
| 154 |
|
| 155 |
// Setup variables |
| 156 |
$content = _wp_specialchars( $content, ENT_NOQUOTES ); |
| 157 |
$content = preg_split( '@(`[^`]*`)@m', $content, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE ); |
| 158 |
$allowed = bbp_kses_allowed_tags(); |
| 159 |
$empty = array( |
| 160 |
'br' => true, |
| 161 |
'hr' => true, |
| 162 |
'img' => true, |
| 163 |
'input' => true, |
| 164 |
'param' => true, |
| 165 |
'area' => true, |
| 166 |
'col' => true, |
| 167 |
'embed' => true |
| 168 |
); |
| 169 |
|
| 170 |
// Loop through allowed tags and compare for empty and normal tags |
| 171 |
foreach ( $allowed as $tag => $args ) { |
| 172 |
$preg = $args ? "{$tag}(?:\s.*?)?" : $tag; |
| 173 |
|
| 174 |
// Which walker to use based on the tag and arguments |
| 175 |
if ( isset( $empty[ $tag ] ) ) { |
| 176 |
array_walk( $content, 'bbp_encode_empty_callback', $preg ); |
| 177 |
} else { |
| 178 |
array_walk( $content, 'bbp_encode_normal_callback', $preg ); |
| 179 |
} |
| 180 |
} |
| 181 |
|
| 182 |
// Return the joined content array |
| 183 |
return implode( '', $content ); |
| 184 |
} |
| 185 |
|
| 186 |
/** Code Callbacks ************************************************************/ |
| 187 |
|
| 188 |
/** |
| 189 |
* Callback to encode the tags in topic or reply content |
| 190 |
* |
| 191 |
* @since 2.3.0 bbPress (r4641) |
| 192 |
* |
| 193 |
* @param array $matches |
| 194 |
* @return string |
| 195 |
*/ |
| 196 |
function bbp_encode_callback( $matches = array() ) { |
| 197 |
|
| 198 |
// Trim inline code, not pre blocks (to prevent removing indentation) |
| 199 |
if ( "`" === $matches[1] ) { |
| 200 |
$content = trim( $matches[2] ); |
| 201 |
} else { |
| 202 |
$content = $matches[2]; |
| 203 |
} |
| 204 |
|
| 205 |
// Do some replacing |
| 206 |
$content = htmlspecialchars( $content, ENT_QUOTES ); |
| 207 |
$content = str_replace( array( "\r\n", "\r" ), "\n", $content ); |
| 208 |
$content = preg_replace( "|\n\n\n+|", "\n\n", $content ); |
| 209 |
$content = str_replace( '&amp;', '&', $content ); |
| 210 |
$content = str_replace( '&lt;', '<', $content ); |
| 211 |
$content = str_replace( '&gt;', '>', $content ); |
| 212 |
|
| 213 |
// Wrap in code tags |
| 214 |
$content = '<code>' . $content . '</code>'; |
| 215 |
|
| 216 |
// Wrap blocks in pre tags |
| 217 |
if ( "`" !== $matches[1] ) { |
| 218 |
$content = "\n<pre>" . $content . "</pre>\n"; |
| 219 |
} |
| 220 |
|
| 221 |
return $content; |
| 222 |
} |
| 223 |
|
| 224 |
/** |
| 225 |
* Callback to decode the tags in topic or reply content |
| 226 |
* |
| 227 |
* @since 2.3.0 bbPress (r4641) |
| 228 |
* |
| 229 |
* @param array $matches |
| 230 |
* @todo Experiment with _wp_specialchars() |
| 231 |
* @return string |
| 232 |
*/ |
| 233 |
function bbp_decode_callback( $matches = array() ) { |
| 234 |
|
| 235 |
// Setup variables |
| 236 |
$trans_table = array_flip( get_html_translation_table( HTML_ENTITIES ) ); |
| 237 |
$amps = array( '&','&', '&' ); |
| 238 |
$single = array( ''',''' ); |
| 239 |
$content = $matches[2]; |
| 240 |
$content = strtr( $content, $trans_table ); |
| 241 |
|
| 242 |
// Do the do |
| 243 |
$content = str_replace( '<br />', '<coded_br />', $content ); |
| 244 |
$content = str_replace( '<p>', '<coded_p>', $content ); |
| 245 |
$content = str_replace( '</p>', '</coded_p>', $content ); |
| 246 |
$content = str_replace( $amps, '&', $content ); |
| 247 |
$content = str_replace( $single, "'", $content ); |
| 248 |
|
| 249 |
// Return content wrapped in code tags |
| 250 |
return '`' . $content . '`'; |
| 251 |
} |
| 252 |
|
| 253 |
/** |
| 254 |
* Callback to replace empty HTML tags in a content string |
| 255 |
* |
| 256 |
* @since 2.3.0 bbPress (r4641) |
| 257 |
* |
| 258 |
* @internal Used by bbp_encode_bad() |
| 259 |
* @param string $content |
| 260 |
* @param string $key Not used |
| 261 |
* @param string $preg |
| 262 |
*/ |
| 263 |
function bbp_encode_empty_callback( &$content = '', $key = '', $preg = '' ) { |
| 264 |
if ( strpos( $content, '`' ) !== 0 ) { |
| 265 |
$content = preg_replace( "|<({$preg})\s*?/*?>|i", '<$1 />', $content ); |
| 266 |
} |
| 267 |
} |
| 268 |
|
| 269 |
/** |
| 270 |
* Callback to replace normal HTML tags in a content string |
| 271 |
* |
| 272 |
* @since 2.3.0 bbPress (r4641) |
| 273 |
* |
| 274 |
* @internal Used by bbp_encode_bad() |
| 275 |
* |
| 276 |
* @param string $content |
| 277 |
* @param string $key |
| 278 |
* @param string $preg |
| 279 |
*/ |
| 280 |
function bbp_encode_normal_callback( &$content = '', $key = '', $preg = '') { |
| 281 |
if ( strpos( $content, '`' ) !== 0 ) { |
| 282 |
$content = preg_replace( "|<(/?{$preg})>|i", '<$1>', $content ); |
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
/** No Follow *****************************************************************/ |
| 287 |
|
| 288 |
/** |
| 289 |
* Catches links so rel=nofollow can be added (on output, not save) |
| 290 |
* |
| 291 |
* @since 2.3.0 bbPress (r4865) |
| 292 |
* |
| 293 |
* @param string $text Post text |
| 294 |
* @return string $text Text with rel=nofollow added to any links |
| 295 |
*/ |
| 296 |
function bbp_rel_nofollow( $text = '' ) { |
| 297 |
return preg_replace_callback( '|<a (.+?)>|i', 'bbp_rel_nofollow_callback', $text ); |
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* Adds rel=nofollow to a link |
| 302 |
* |
| 303 |
* @since 2.3.0 bbPress (r4865) |
| 304 |
* |
| 305 |
* @param array $matches |
| 306 |
* @return string $text Link with rel=nofollow added |
| 307 |
*/ |
| 308 |
function bbp_rel_nofollow_callback( $matches = array() ) { |
| 309 |
$text = $matches[1]; |
| 310 |
$atts = shortcode_parse_atts( $matches[1] ); |
| 311 |
$rel = 'nofollow'; |
| 312 |
$home_url = home_url(); |
| 313 |
|
| 314 |
// Bail on links that match the current domain |
| 315 |
if ( preg_match( '%href=["\'](' . preg_quote( set_url_scheme( $home_url, 'http' ) ) . ')%i', $text ) || |
| 316 |
preg_match( '%href=["\'](' . preg_quote( set_url_scheme( $home_url, 'https' ) ) . ')%i', $text ) |
| 317 |
) { |
| 318 |
return "<a {$text}>"; |
| 319 |
} |
| 320 |
|
| 321 |
// Avoid collisions with existing "rel" attribute |
| 322 |
if ( ! empty( $atts['rel'] ) ) { |
| 323 |
$parts = array_map( 'trim', explode( ' ', $atts['rel'] ) ); |
| 324 |
if ( false === array_search( 'nofollow', $parts ) ) { |
| 325 |
$parts[] = 'nofollow'; |
| 326 |
} |
| 327 |
|
| 328 |
$rel = implode( ' ', $parts ); |
| 329 |
unset( $atts['rel'] ); |
| 330 |
|
| 331 |
$html = ''; |
| 332 |
foreach ( $atts as $name => $value ) { |
| 333 |
$html .= "{$name}=\"{$value}\" "; |
| 334 |
} |
| 335 |
|
| 336 |
$text = trim( $html ); |
| 337 |
} |
| 338 |
|
| 339 |
return "<a {$text} rel=\"{$rel}\">"; |
| 340 |
} |
| 341 |
|
| 342 |
/** Make Clickable ************************************************************/ |
| 343 |
|
| 344 |
/** |
| 345 |
* Convert plaintext URI to HTML links. |
| 346 |
* |
| 347 |
* Converts URI, www and ftp, and email addresses. Finishes by fixing links |
| 348 |
* within links. |
| 349 |
* |
| 350 |
* This custom version of WordPress's make_clickable() skips links inside of |
| 351 |
* pre and code tags. |
| 352 |
* |
| 353 |
* @since 2.4.0 bbPress (r4941) |
| 354 |
* |
| 355 |
* @param string $text Content to convert URIs. |
| 356 |
* @return string Content with converted URIs. |
| 357 |
*/ |
| 358 |
function bbp_make_clickable( $text = '' ) { |
| 359 |
$r = ''; |
| 360 |
$textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags |
| 361 |
$nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code> |
| 362 |
|
| 363 |
foreach ( $textarr as $piece ) { |
| 364 |
|
| 365 |
if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) || preg_match( '|^<script[\s>]|i', $piece ) || preg_match( '|^<style[\s>]|i', $piece ) ) { |
| 366 |
$nested_code_pre++; |
| 367 |
} elseif ( $nested_code_pre && ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) || '</script>' === strtolower( $piece ) || '</style>' === strtolower( $piece ) ) ) { |
| 368 |
$nested_code_pre--; |
| 369 |
} |
| 370 |
|
| 371 |
if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) { |
| 372 |
$r .= $piece; |
| 373 |
continue; |
| 374 |
} |
| 375 |
|
| 376 |
// Long strings might contain expensive edge cases ... |
| 377 |
if ( 10000 < strlen( $piece ) ) { |
| 378 |
// ... break it up |
| 379 |
foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses |
| 380 |
if ( 2101 < strlen( $chunk ) ) { |
| 381 |
$r .= $chunk; // Too big, no whitespace: bail. |
| 382 |
} else { |
| 383 |
$r .= bbp_make_clickable( $chunk ); |
| 384 |
} |
| 385 |
} |
| 386 |
} else { |
| 387 |
$ret = " {$piece} "; // Pad with whitespace to simplify the regexes |
| 388 |
$ret = apply_filters( 'bbp_make_clickable', $ret, $text ); |
| 389 |
$ret = substr( $ret, 1, -1 ); // Remove our whitespace padding. |
| 390 |
$r .= $ret; |
| 391 |
} |
| 392 |
} |
| 393 |
|
| 394 |
// Cleanup of accidental links within links |
| 395 |
return preg_replace( '#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a>([^<]*)</a>#i', "$1$3$4</a>", $r ); |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Make URLs clickable in content areas |
| 400 |
* |
| 401 |
* @since 2.6.0 bbPress (r6014) |
| 402 |
* |
| 403 |
* @param string $text |
| 404 |
* @return string |
| 405 |
*/ |
| 406 |
function bbp_make_urls_clickable( $text = '' ) { |
| 407 |
$url_clickable = '~ |
| 408 |
([\\s(<.,;:!?]) # 1: Leading whitespace, or punctuation |
| 409 |
( # 2: URL |
| 410 |
[\\w]{1,20}+:// # Scheme and hier-part prefix |
| 411 |
(?=\S{1,2000}\s) # Limit to URLs less than about 2000 characters long |
| 412 |
[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+ # Non-punctuation URL character |
| 413 |
(?: # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character |
| 414 |
[\'.,;:!?)] # Punctuation URL character |
| 415 |
[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character |
| 416 |
)* |
| 417 |
) |
| 418 |
(\)?) # 3: Trailing closing parenthesis (for parethesis balancing post processing) |
| 419 |
~xS'; |
| 420 |
|
| 421 |
// The regex is a non-anchored pattern and does not have a single fixed starting character. |
| 422 |
// Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times. |
| 423 |
return preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $text ); |
| 424 |
} |
| 425 |
|
| 426 |
/** |
| 427 |
* Make FTP clickable in content areas |
| 428 |
* |
| 429 |
* @since 2.6.0 bbPress (r6014) |
| 430 |
* |
| 431 |
* @see make_clickable() |
| 432 |
* |
| 433 |
* @param string $text |
| 434 |
* @return string |
| 435 |
*/ |
| 436 |
function bbp_make_ftps_clickable( $text = '' ) { |
| 437 |
return preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $text ); |
| 438 |
} |
| 439 |
|
| 440 |
/** |
| 441 |
* Make emails clickable in content areas |
| 442 |
* |
| 443 |
* @since 2.6.0 bbPress (r6014) |
| 444 |
* |
| 445 |
* @see make_clickable() |
| 446 |
* |
| 447 |
* @param string $text |
| 448 |
* @return string |
| 449 |
*/ |
| 450 |
function bbp_make_emails_clickable( $text = '' ) { |
| 451 |
return preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $text ); |
| 452 |
} |
| 453 |
|
| 454 |
/** |
| 455 |
* Make mentions clickable in content areas |
| 456 |
* |
| 457 |
* @since 2.6.0 bbPress (r6014) |
| 458 |
* |
| 459 |
* @see make_clickable() |
| 460 |
* |
| 461 |
* @param string $text |
| 462 |
* @return string |
| 463 |
*/ |
| 464 |
function bbp_make_mentions_clickable( $text = '' ) { |
| 465 |
return preg_replace_callback( '#([\s>])@([0-9a-zA-Z-_]+)#i', 'bbp_make_mentions_clickable_callback', $text ); |
| 466 |
} |
| 467 |
|
| 468 |
/** |
| 469 |
* Callback to convert mention matches to HTML A tag. |
| 470 |
* |
| 471 |
* @since 2.6.0 bbPress (r6014) |
| 472 |
* |
| 473 |
* @param array $matches Regular expression matches in the current text blob. |
| 474 |
* |
| 475 |
* @return string Original text if no user exists, or link to user profile. |
| 476 |
*/ |
| 477 |
function bbp_make_mentions_clickable_callback( $matches = array() ) { |
| 478 |
|
| 479 |
// Bail if the match is empty malformed |
| 480 |
if ( empty( $matches[2] ) || ! is_string( $matches[2] ) ) { |
| 481 |
return $matches[0]; |
| 482 |
} |
| 483 |
|
| 484 |
// Get user; bail if not found |
| 485 |
$user = get_user_by( 'slug', $matches[2] ); |
| 486 |
if ( empty( $user ) || bbp_is_user_inactive( $user->ID ) ) { |
| 487 |
return $matches[0]; |
| 488 |
} |
| 489 |
|
| 490 |
// Default anchor classes |
| 491 |
$classes = array( |
| 492 |
'bbp-user-mention', |
| 493 |
'bbp-user-id-' . absint( $user->ID ) |
| 494 |
); |
| 495 |
|
| 496 |
// Filter classes |
| 497 |
$classes = (array) apply_filters( 'bbp_make_mentions_clickable_classes', $classes, $user ); |
| 498 |
|
| 499 |
// Escape & implode if not empty, otherwise an empty string |
| 500 |
$class_str = ! empty( $classes ) |
| 501 |
? implode( ' ', array_map( 'sanitize_html_class', $classes ) ) |
| 502 |
: ''; |
| 503 |
|
| 504 |
// Setup as a variable to avoid a potentially empty class attribute |
| 505 |
$class = ! empty( $class_str ) |
| 506 |
? ' class="' . esc_attr( $class_str ) . '"' |
| 507 |
: ''; |
| 508 |
|
| 509 |
// Create the link to the user's profile |
| 510 |
$html = '<a href="%1$s"' . $class . '>%2$s</a>'; |
| 511 |
$url = bbp_get_user_profile_url( $user->ID ); |
| 512 |
$anchor = sprintf( $html, esc_url( $url ), esc_html( $matches[0] ) ); |
| 513 |
|
| 514 |
// Prevent this link from being followed by bots |
| 515 |
$link = bbp_rel_nofollow( $anchor ); |
| 516 |
|
| 517 |
// Concatenate the matches into the return value |
| 518 |
$retval = $matches[1] . $link; |
| 519 |
|
| 520 |
// Return the link |
| 521 |
return $retval; |
| 522 |
} |
| 523 |
|
| 524 |
/** Numbers *******************************************************************/ |
| 525 |
|
| 526 |
/** |
| 527 |
* Never let a numeric value be less than zero. |
| 528 |
* |
| 529 |
* @since 2.6.0 bbPress (r6300) |
| 530 |
* |
| 531 |
* @param int $number |
| 532 |
*/ |
| 533 |
function bbp_number_not_negative( $number = 0 ) { |
| 534 |
|
| 535 |
// Protect against formatted strings |
| 536 |
if ( is_string( $number ) ) { |
| 537 |
$number = strip_tags( $number ); // No HTML |
| 538 |
$number = preg_replace( '/[^0-9-]/', '', $number ); // No number-format |
| 539 |
|
| 540 |
// Protect against objects, arrays, scalars, etc... |
| 541 |
} elseif ( ! is_numeric( $number ) ) { |
| 542 |
$number = 0; |
| 543 |
} |
| 544 |
|
| 545 |
// Make the number an integer |
| 546 |
$int = intval( $number ); |
| 547 |
|
| 548 |
// Pick the maximum value, never less than zero |
| 549 |
$not_less_than_zero = max( 0, $int ); |
| 550 |
|
| 551 |
// Filter & return |
| 552 |
return (int) apply_filters( 'bbp_number_not_negative', $not_less_than_zero, $int, $number ); |
| 553 |
} |
| 554 |
|
| 555 |
/** |
| 556 |
* A bbPress specific method of formatting numeric values |
| 557 |
* |
| 558 |
* @since 2.0.0 bbPress (r2486) |
| 559 |
* |
| 560 |
* @param string $number Number to format |
| 561 |
* @param string $decimals Optional. Display decimals |
| 562 |
* |
| 563 |
* @return string Formatted string |
| 564 |
*/ |
| 565 |
function bbp_number_format( $number = 0, $decimals = false, $dec_point = '.', $thousands_sep = ',' ) { |
| 566 |
|
| 567 |
// If empty, set $number to (int) 0 |
| 568 |
if ( ! is_numeric( $number ) ) { |
| 569 |
$number = 0; |
| 570 |
} |
| 571 |
|
| 572 |
// Filter & return |
| 573 |
return apply_filters( 'bbp_number_format', number_format( $number, $decimals, $dec_point, $thousands_sep ), $number, $decimals, $dec_point, $thousands_sep ); |
| 574 |
} |
| 575 |
|
| 576 |
/** |
| 577 |
* A bbPress specific method of formatting numeric values |
| 578 |
* |
| 579 |
* @since 2.1.0 bbPress (r3857) |
| 580 |
* |
| 581 |
* @param string $number Number to format |
| 582 |
* @param string $decimals Optional. Display decimals |
| 583 |
* |
| 584 |
* @return string Formatted string |
| 585 |
*/ |
| 586 |
function bbp_number_format_i18n( $number = 0, $decimals = false ) { |
| 587 |
|
| 588 |
// If empty, set $number to (int) 0 |
| 589 |
if ( ! is_numeric( $number ) ) { |
| 590 |
$number = 0; |
| 591 |
} |
| 592 |
|
| 593 |
// Filter & return |
| 594 |
return apply_filters( 'bbp_number_format_i18n', number_format_i18n( $number, $decimals ), $number, $decimals ); |
| 595 |
} |
| 596 |
|
| 597 |
/** Dates *********************************************************************/ |
| 598 |
|
| 599 |
/** |
| 600 |
* Convert time supplied from database query into specified date format. |
| 601 |
* |
| 602 |
* @since 2.0.0 bbPress (r2544) |
| 603 |
* |
| 604 |
* @param string $time Time to convert |
| 605 |
* @param string $d Optional. Default is 'U'. Either 'G', 'U', or php date |
| 606 |
* format |
| 607 |
* @param bool $translate Optional. Default is false. Whether to translate the |
| 608 |
* |
| 609 |
* @return string Returns timestamp |
| 610 |
*/ |
| 611 |
function bbp_convert_date( $time, $d = 'U', $translate = false ) { |
| 612 |
$new_time = mysql2date( $d, $time, $translate ); |
| 613 |
|
| 614 |
// Filter & return |
| 615 |
return apply_filters( 'bbp_convert_date', $new_time, $d, $translate, $time ); |
| 616 |
} |
| 617 |
|
| 618 |
/** |
| 619 |
* Output formatted time to display human readable time difference. |
| 620 |
* |
| 621 |
* @since 2.0.0 bbPress (r2544) |
| 622 |
* |
| 623 |
* @param string $older_date Unix timestamp from which the difference begins. |
| 624 |
* @param string $newer_date Optional. Unix timestamp from which the |
| 625 |
* difference ends. False for current time. |
| 626 |
* @param int $gmt Optional. Whether to use GMT timezone. Default is false. |
| 627 |
*/ |
| 628 |
function bbp_time_since( $older_date, $newer_date = false, $gmt = false ) { |
| 629 |
echo bbp_get_time_since( $older_date, $newer_date, $gmt ); |
| 630 |
} |
| 631 |
/** |
| 632 |
* Return formatted time to display human readable time difference. |
| 633 |
* |
| 634 |
* @since 2.0.0 bbPress (r2544) |
| 635 |
* |
| 636 |
* @param string $older_date Unix timestamp from which the difference begins. |
| 637 |
* @param string $newer_date Optional. Unix timestamp from which the |
| 638 |
* difference ends. False for current time. |
| 639 |
* @param int $gmt Optional. Whether to use GMT timezone. Default is false. |
| 640 |
* |
| 641 |
* @return string Formatted time |
| 642 |
*/ |
| 643 |
function bbp_get_time_since( $older_date, $newer_date = false, $gmt = false ) { |
| 644 |
|
| 645 |
// Setup the strings |
| 646 |
$unknown_text = apply_filters( 'bbp_core_time_since_unknown_text', esc_html__( 'sometime', 'bbpress' ) ); |
| 647 |
$right_now_text = apply_filters( 'bbp_core_time_since_right_now_text', esc_html__( 'right now', 'bbpress' ) ); |
| 648 |
$ago_text = apply_filters( 'bbp_core_time_since_ago_text', esc_html__( '%s ago', 'bbpress' ) ); |
| 649 |
|
| 650 |
// array of time period chunks |
| 651 |
$chunks = array( |
| 652 |
array( YEAR_IN_SECONDS, _n_noop( '%s year', '%s years', 'bbpress' ) ), |
| 653 |
array( MONTH_IN_SECONDS, _n_noop( '%s month', '%s months', 'bbpress' ) ), |
| 654 |
array( WEEK_IN_SECONDS, _n_noop( '%s week', '%s weeks', 'bbpress' ) ), |
| 655 |
array( DAY_IN_SECONDS, _n_noop( '%s day', '%s days', 'bbpress' ) ), |
| 656 |
array( HOUR_IN_SECONDS, _n_noop( '%s hour', '%s hours', 'bbpress' ) ), |
| 657 |
array( MINUTE_IN_SECONDS, _n_noop( '%s minute', '%s minutes', 'bbpress' ) ), |
| 658 |
array( 1, _n_noop( '%s second', '%s seconds', 'bbpress' ) ), |
| 659 |
); |
| 660 |
|
| 661 |
// Attempt to parse non-numeric older date |
| 662 |
if ( ! empty( $older_date ) && ! is_numeric( $older_date ) ) { |
| 663 |
$time_chunks = explode( ':', str_replace( ' ', ':', $older_date ) ); |
| 664 |
$date_chunks = explode( '-', str_replace( ' ', '-', $older_date ) ); |
| 665 |
$older_date = gmmktime( (int) $time_chunks[1], (int) $time_chunks[2], (int) $time_chunks[3], (int) $date_chunks[1], (int) $date_chunks[2], (int) $date_chunks[0] ); |
| 666 |
} |
| 667 |
|
| 668 |
// Attempt to parse non-numeric newer date |
| 669 |
if ( ! empty( $newer_date ) && ! is_numeric( $newer_date ) ) { |
| 670 |
$time_chunks = explode( ':', str_replace( ' ', ':', $newer_date ) ); |
| 671 |
$date_chunks = explode( '-', str_replace( ' ', '-', $newer_date ) ); |
| 672 |
$newer_date = gmmktime( (int) $time_chunks[1], (int) $time_chunks[2], (int) $time_chunks[3], (int) $date_chunks[1], (int) $date_chunks[2], (int) $date_chunks[0] ); |
| 673 |
} |
| 674 |
|
| 675 |
// Set newer date to current time |
| 676 |
if ( empty( $newer_date ) ) { |
| 677 |
$newer_date = strtotime( current_time( 'mysql', $gmt ) ); |
| 678 |
} |
| 679 |
|
| 680 |
// Cast both dates to ints to avoid notices & errors with invalid values |
| 681 |
$newer_date = intval( $newer_date ); |
| 682 |
$older_date = intval( $older_date ); |
| 683 |
|
| 684 |
// Difference in seconds |
| 685 |
$since = intval( $newer_date - $older_date ); |
| 686 |
|
| 687 |
// Something went wrong with date calculation and we ended up with a negative date. |
| 688 |
if ( 0 > $since ) { |
| 689 |
$output = $unknown_text; |
| 690 |
|
| 691 |
// We only want to output two chunks of time here, eg: |
| 692 |
// x years, xx months |
| 693 |
// x days, xx hours |
| 694 |
// so there's only two bits of calculation below: |
| 695 |
} else { |
| 696 |
|
| 697 |
// Default count values |
| 698 |
$count = 0; |
| 699 |
$count2 = 0; |
| 700 |
|
| 701 |
// Step one: the first chunk |
| 702 |
for ( $i = 0, $j = count( $chunks ); $i < $j; ++$i ) { |
| 703 |
$seconds = $chunks[ $i ][0]; |
| 704 |
|
| 705 |
// Finding the biggest chunk (if the chunk fits, break) |
| 706 |
$count = floor( $since / $seconds ); |
| 707 |
if ( 0 != $count ) { |
| 708 |
break; |
| 709 |
} |
| 710 |
} |
| 711 |
|
| 712 |
// If $i iterates all the way to $j, then the event happened 0 seconds ago |
| 713 |
if ( ! isset( $chunks[ $i ] ) ) { |
| 714 |
$output = $right_now_text; |
| 715 |
|
| 716 |
} else { |
| 717 |
|
| 718 |
// Set output var |
| 719 |
$output = sprintf( translate_nooped_plural( $chunks[ $i ][1], $count, 'bbpress' ), bbp_number_format_i18n( $count ) ); |
| 720 |
|
| 721 |
// Step two: the second chunk |
| 722 |
if ( $i + 2 < $j ) { |
| 723 |
$seconds2 = $chunks[ $i + 1 ][0]; |
| 724 |
$count2 = floor( ( $since - ( $seconds * $count ) ) / $seconds2 ); |
| 725 |
|
| 726 |
// Add to output var |
| 727 |
if ( 0 != $count2 ) { |
| 728 |
$output .= _x( ',', 'Separator in time since', 'bbpress' ) . ' '; |
| 729 |
$output .= sprintf( translate_nooped_plural( $chunks[ $i + 1 ][1], $count2, 'bbpress' ), bbp_number_format_i18n( $count2 ) ); |
| 730 |
} |
| 731 |
} |
| 732 |
|
| 733 |
// Empty counts, so fallback to right now |
| 734 |
if ( empty( $count ) && empty( $count2 ) ) { |
| 735 |
$output = $right_now_text; |
| 736 |
} |
| 737 |
} |
| 738 |
} |
| 739 |
|
| 740 |
// Append 'ago' to the end of time-since if not 'right now' |
| 741 |
if ( $output != $right_now_text ) { |
| 742 |
$output = sprintf( $ago_text, $output ); |
| 743 |
} |
| 744 |
|
| 745 |
// Filter & return |
| 746 |
return apply_filters( 'bbp_get_time_since', $output, $older_date, $newer_date ); |
| 747 |
} |
| 748 |
|
| 749 |
/** Revisions *****************************************************************/ |
| 750 |
|
| 751 |
/** |
| 752 |
* Formats the reason for editing the topic/reply. |
| 753 |
* |
| 754 |
* Does these things: |
| 755 |
* - Trimming |
| 756 |
* - Removing periods from the end of the string |
| 757 |
* - Trimming again |
| 758 |
* |
| 759 |
* @since 2.0.0 bbPress (r2782) |
| 760 |
* |
| 761 |
* @param string $reason Optional. User submitted reason for editing. |
| 762 |
* @return string Status of topic |
| 763 |
*/ |
| 764 |
function bbp_format_revision_reason( $reason = '' ) { |
| 765 |
$reason = (string) $reason; |
| 766 |
|
| 767 |
// Bail if reason is empty |
| 768 |
if ( empty( $reason ) ) { |
| 769 |
return $reason; |
| 770 |
} |
| 771 |
|
| 772 |
// Trimming |
| 773 |
$reason = trim( $reason ); |
| 774 |
|
| 775 |
// We add our own full stop. |
| 776 |
while ( substr( $reason, -1 ) === '.' ) { |
| 777 |
$reason = substr( $reason, 0, -1 ); |
| 778 |
} |
| 779 |
|
| 780 |
// Trim again |
| 781 |
$reason = trim( $reason ); |
| 782 |
|
| 783 |
return $reason; |
| 784 |
} |
| 785 |
|
