| 1 |
<?php |
| 2 |
namespace ULTP; |
| 3 |
|
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/** |
| 9 |
* |
| 10 |
* Dynamic Content |
| 11 |
* |
| 12 |
* @package ULTP |
| 13 |
* @since 4.1.1 |
| 14 |
*/ |
| 15 |
final class DCService { |
| 16 |
|
| 17 |
/** |
| 18 |
* Gets the dynamic data to show in the editor |
| 19 |
* |
| 20 |
* @since 4.1.1 |
| 21 |
* |
| 22 |
* @param array $args - Arguments |
| 23 |
* |
| 24 |
* @return string |
| 25 |
*/ |
| 26 |
public static function get_dynamic_data( $args ) { |
| 27 |
$post_id = $args['post_id']; |
| 28 |
$key = $args['key']; |
| 29 |
$data_type = $args['data_type']; |
| 30 |
|
| 31 |
$res = ''; |
| 32 |
$process_string = true; |
| 33 |
|
| 34 |
switch ( $data_type ) { |
| 35 |
case 'link': |
| 36 |
$res = self::get_link( $post_id, $key ); |
| 37 |
$process_string = false; |
| 38 |
break; |
| 39 |
case 'post_types': |
| 40 |
$res = self::get_post_types(); |
| 41 |
$process_string = false; |
| 42 |
break; |
| 43 |
case 'post_info': |
| 44 |
$res = self::get_post_info( $post_id, $key ); |
| 45 |
break; |
| 46 |
case 'author_info': |
| 47 |
$res = self::get_author_info( $post_id, $key ); |
| 48 |
break; |
| 49 |
case 'site_info': |
| 50 |
$res = self::get_site_info( $key ); |
| 51 |
break; |
| 52 |
case 'cf': |
| 53 |
$res = self::get_field_value( $post_id, $key ); |
| 54 |
$process_string = false; |
| 55 |
break; |
| 56 |
case 'comment_count': |
| 57 |
$res = self::get_comment_count( $post_id ); |
| 58 |
break; |
| 59 |
} |
| 60 |
|
| 61 |
return $process_string ? self::process( $res ) : $res; |
| 62 |
} |
| 63 |
|
| 64 |
/** |
| 65 |
* Gets the comment count for a post |
| 66 |
* |
| 67 |
* @since 4.1.1 |
| 68 |
* |
| 69 |
* @param string|int|null $post_id - Post Id. |
| 70 |
* |
| 71 |
* @return string |
| 72 |
*/ |
| 73 |
public static function get_comment_count( $post_id ) { |
| 74 |
$res = ''; |
| 75 |
|
| 76 |
if ( $post_id !== 0 ) { |
| 77 |
$comments = get_comment_count( $post_id ); |
| 78 |
$res = $comments['total_comments']; |
| 79 |
} |
| 80 |
|
| 81 |
return $res; |
| 82 |
} |
| 83 |
|
| 84 |
/** |
| 85 |
* Applies dynamic content to RichText |
| 86 |
* |
| 87 |
* @since 4.1.1 |
| 88 |
* |
| 89 |
* @param string|int|null $post_id - Post Id. |
| 90 |
* @param string $content_src - Key value. |
| 91 |
* |
| 92 |
* @return string |
| 93 |
*/ |
| 94 |
public static function get_dc_content_for_image( $post_id, $content_src ) { |
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$res = ''; |
| 96 |
|
| 97 |
if ( self::is_field_key( $content_src ) ) { |
| 98 |
$res = self::get_field_value( $post_id, $content_src ); |
| 99 |
} elseif ( |
| 100 |
str_starts_with( $content_src, 'link_' ) |
| 101 |
) { |
| 102 |
$res = self::get_link( $post_id, $content_src ); |
| 103 |
} |
| 104 |
|
| 105 |
if ( empty( $res ) ) { |
| 106 |
$res = ULTP_URL . 'assets/img/ultp-placeholder.jpg'; |
| 107 |
} |
| 108 |
|
| 109 |
return $res; |
| 110 |
} |
| 111 |
|
| 112 |
/** |
| 113 |
* Applies dynamic content to RichText |
| 114 |
* |
| 115 |
* @since 4.1.1 |
| 116 |
* |
| 117 |
* @param array $attr - block attributes. |
| 118 |
* |
| 119 |
* @return string |
| 120 |
*/ |
| 121 |
public static function get_dc_content_for_rich_text( &$attr ) { |
| 122 |
$text = ''; |
| 123 |
$url = ''; |
| 124 |
|
| 125 |
$data_src = $attr['dc']['dataSrc']; |
| 126 |
$content_src = $attr['dc']['contentSrc']; |
| 127 |
$link_src = $attr['dc']['linkSrc']; |
| 128 |
$link_enabled = $attr['dc']['linkEnabled']; |
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$post_id = $attr['dc']['postId']; |
| 130 |
$fallback = $attr['dc']['fallback']; |
| 131 |
$max_length = $attr['dc']['maxCharLen']; |
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|
| 133 |
if ( str_starts_with( $data_src, 'site_' ) ) { |
| 134 |
$text = self::get_site_info( $data_src ); |
| 135 |
} elseif ( str_starts_with( $content_src, 'post_' ) ) { |
| 136 |
$text = self::get_post_info( $post_id, $content_src ); |
| 137 |
} elseif ( str_starts_with( $content_src, 'a_' ) ) { |
| 138 |
$text = self::get_author_info( $post_id, $content_src ); |
| 139 |
} elseif ( self::is_field_key( $content_src ) ) { |
| 140 |
$text = self::get_field_value( $post_id, $content_src ); |
| 141 |
} |
| 142 |
|
| 143 |
if ( ! empty( $text ) && ! empty( $max_length ) && is_string( $max_length ) && intval( $max_length ) > 0 ) { |
| 144 |
$text = self::limit_str( $text, intval( $max_length ) ); |
| 145 |
} |
| 146 |
|
| 147 |
if ( empty( $text ) ) { |
| 148 |
$text = $fallback; |
| 149 |
} |
| 150 |
|
| 151 |
$text = $attr['dc']['beforeText'] . $text . $attr['dc']['afterText']; |
| 152 |
|
| 153 |
if ( ( $link_enabled && $link_src ) ) { |
| 154 |
$url = self::get_link( $post_id, $link_src ); |
| 155 |
} |
| 156 |
|
| 157 |
return array( $text, $url ); |
| 158 |
} |
| 159 |
|
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/** |
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* Get Html of Dynamic Content for Blocks |
| 162 |
* |
| 163 |
* @since 4.1.1 |
| 164 |
* |
| 165 |
* @param array $attr |
| 166 |
* |
| 167 |
* @return string |
| 168 |
*/ |
| 169 |
public static function get_dc_content_for_block( &$attr, $dcContent ) { |
| 170 |
for ( $i = 0; $i < count( $attr['dcFields'] ); $i++ ) { |
| 171 |
$dcGroup = $attr['dcFields'][ $i ]; |
| 172 |
|
| 173 |
if ( ! isset( $dcGroup['fields'] ) || ! isset( $dcGroup['id'] ) ) { |
| 174 |
continue; |
| 175 |
} |
| 176 |
|
| 177 |
$dcContent[ $i ] .= '<div class="ultp-dynamic-content-group-common ultp-dynamic-content-group-' . $dcGroup['id'] . '">'; |
| 178 |
|
| 179 |
for ( $j = 0; $j < count( $dcGroup['fields'] ); $j++ ) { |
| 180 |
$dcField = $dcGroup['fields'][ $j ]; |
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|
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$url = ''; |
| 183 |
|
| 184 |
if ( ( $dcField['linkEnabled'] && $dcField['linkSrc'] ) ) { |
| 185 |
$url = self::get_link( $dcField['postId'], $dcField['linkSrc'] ); |
| 186 |
$url = esc_url( $url ); |
| 187 |
} |
| 188 |
|
| 189 |
if ( ! empty( $url ) ) { |
| 190 |
$dcContent[ $i ] .= '<a class="ultp-dynamic-content-field-anchor" href="' . $url . '">'; |
| 191 |
} |
| 192 |
|
| 193 |
$dcContent[ $i ] .= '<div class="ultp-dynamic-content-field-common ultp-dynamic-content-field-' . $dcField['id'] . '">'; |
| 194 |
if ( ! empty( $dcField['icon'] ) ) { |
| 195 |
$dcContent[ $i ] .= '<span class="ultp-dynamic-content-field-icon">' . ultimate_post()->get_svg_icon( $dcField['icon'] ) . '</span>'; |
| 196 |
} |
| 197 |
$dcContent[ $i ] .= $dcField['beforeText'] ? '<p class="ultp-dynamic-content-field-before">' . $dcField['beforeText'] . '</p>' : ''; |
| 198 |
|
| 199 |
$text = ''; |
| 200 |
|
| 201 |
if ( str_starts_with( $dcField['dataSrc'], 'site_' ) ) { |
| 202 |
$text = self::get_site_info( $dcField['dataSrc'] ); |
| 203 |
} elseif ( str_starts_with( $dcField['contentSrc'], 'post_' ) ) { |
| 204 |
$text = self::get_post_info( $dcField['postId'], $dcField['contentSrc'] ); |
| 205 |
} elseif ( str_starts_with( $dcField['contentSrc'], 'a_' ) ) { |
| 206 |
$text = self::get_author_info( $dcField['postId'], $dcField['contentSrc'] ); |
| 207 |
} elseif ( self::is_field_key( $dcField['contentSrc'] ) ) { |
| 208 |
$text = self::get_field_value( $dcField['postId'], $dcField['contentSrc'] ); |
| 209 |
} |
| 210 |
|
| 211 |
if ( ! empty( $text ) && ! empty( $dcField['maxCharLen'] ) && intval( $dcField['maxCharLen'] ) > 0 ) { |
| 212 |
$text = self::limit_str( $text, intval( $dcField['maxCharLen'] ) ); |
| 213 |
} |
| 214 |
|
| 215 |
if ( empty( $text ) && '0' !== $text && 0 !== $text ) { |
| 216 |
$text = $dcField['fallback']; |
| 217 |
} |
| 218 |
|
| 219 |
$dcContent[ $i ] .= '<p class="ultp-dynamic-content-field-dc">' . sanitize_text_field( $text ) . '</p>'; |
| 220 |
|
| 221 |
$dcContent[ $i ] .= $dcField['afterText'] ? '<p class="ultp-dynamic-content-field-after">' . $dcField['afterText'] . '</p>' : ''; |
| 222 |
$dcContent[ $i ] .= '</div>'; |
| 223 |
|
| 224 |
if ( ! empty( $url ) ) { |
| 225 |
$dcContent[ $i ] .= '</a>'; |
| 226 |
} |
| 227 |
} |
| 228 |
|
| 229 |
$dcContent[ $i ] .= '</div>'; |
| 230 |
} |
| 231 |
|
| 232 |
return $dcContent; |
| 233 |
} |
| 234 |
|
| 235 |
|
| 236 |
/** |
| 237 |
* Get field value |
| 238 |
* |
| 239 |
* @since 4.1.1 |
| 240 |
* |
| 241 |
* @param int $post_id |
| 242 |
* @param string $meta_key |
| 243 |
* |
| 244 |
* @return string |
| 245 |
*/ |
| 246 |
public static function get_field_value( $post_id, $meta_key ) { |
| 247 |
if ( empty( $meta_key ) ) { |
| 248 |
return ''; |
| 249 |
} |
| 250 |
|
| 251 |
if ( empty( $post_id ) ) { |
| 252 |
if ( in_the_loop() ) { |
| 253 |
$post_id = get_the_ID(); |
| 254 |
} else { |
| 255 |
global $post; |
| 256 |
$post_id = isset( $post->ID ) ? $post->ID : ''; |
| 257 |
} |
| 258 |
} |
| 259 |
|
| 260 |
if ( self::check_prefix( $meta_key, 'cmeta_' ) ) { |
| 261 |
if ( empty( $post_id ) ) { |
| 262 |
return ''; |
| 263 |
} |
| 264 |
return get_post_meta( $post_id, self::maybe_remove_prefix( $meta_key, 'cmeta_' ), true ); |
| 265 |
} |
| 266 |
|
| 267 |
// Other field sources are answered by PostX Pro. |
| 268 |
$value = apply_filters( 'ultp_dc_field_value', null, $meta_key, $post_id ); |
| 269 |
if ( null !== $value ) { |
| 270 |
return $value; |
| 271 |
} |
| 272 |
|
| 273 |
return ''; |
| 274 |
} |
| 275 |
|
| 276 |
/** |
| 277 |
* Post info |
| 278 |
* |
| 279 |
* @since 4.1.1 |
| 280 |
* |
| 281 |
* @param int $post_id Post ID. |
| 282 |
* @param string $key Key value. |
| 283 |
* |
| 284 |
* @return string |
| 285 |
*/ |
| 286 |
public static function get_post_info( $post_id, $key ) { |
| 287 |
if ( empty( $key ) ) { |
| 288 |
return ''; |
| 289 |
} |
| 290 |
|
| 291 |
$key = self::maybe_remove_prefix( $key, 'post_' ); |
| 292 |
|
| 293 |
$res = ''; |
| 294 |
|
| 295 |
if ( empty( $post_id ) ) { |
| 296 |
if ( in_the_loop() ) { |
| 297 |
$post_id = get_the_ID(); |
| 298 |
} else { |
| 299 |
global $post; |
| 300 |
$post_id = isset( $post->ID ) ? $post->ID : ''; |
| 301 |
} |
| 302 |
} |
| 303 |
|
| 304 |
switch ( $key ) { |
| 305 |
case 'id': |
| 306 |
$res = $post_id; |
| 307 |
break; |
| 308 |
case 'title': |
| 309 |
$res = get_the_title( $post_id ); |
| 310 |
break; |
| 311 |
case 'excerpt': |
| 312 |
if ( ! doing_filter( 'get_the_excerpt' ) ) { |
| 313 |
$res = get_the_excerpt( $post_id ); |
| 314 |
} |
| 315 |
break; |
| 316 |
case 'date': |
| 317 |
$res = get_the_date( '', $post_id ); |
| 318 |
break; |
| 319 |
case 'comments': |
| 320 |
$res = strval( get_comment_count( $post_id )['all'] ); |
| 321 |
break; |
| 322 |
} |
| 323 |
|
| 324 |
return $res; |
| 325 |
} |
| 326 |
|
| 327 |
/** |
| 328 |
* Author info |
| 329 |
* |
| 330 |
* @since 4.1.1 |
| 331 |
* |
| 332 |
* @param int $post_id |
| 333 |
* @param string $key |
| 334 |
* |
| 335 |
* @return string |
| 336 |
*/ |
| 337 |
public static function get_author_info( $post_id, $key ) { |
| 338 |
if ( empty( $key ) ) { |
| 339 |
return ''; |
| 340 |
} |
| 341 |
|
| 342 |
// Removes prefix if present |
| 343 |
$key = self::maybe_remove_prefix( $key, 'a_' ); |
| 344 |
|
| 345 |
if ( empty( $post_id ) ) { |
| 346 |
if ( in_the_loop() ) { |
| 347 |
$post = get_post(); |
| 348 |
} else { |
| 349 |
global $post; |
| 350 |
} |
| 351 |
} else { |
| 352 |
$post = get_post( $post_id ); |
| 353 |
} |
| 354 |
|
| 355 |
if ( ! $post instanceof \WP_Post ) { |
| 356 |
return ''; |
| 357 |
} |
| 358 |
|
| 359 |
return get_the_author_meta( $key, intval( $post->post_author ) ); |
| 360 |
} |
| 361 |
|
| 362 |
/** |
| 363 |
* Site info |
| 364 |
* |
| 365 |
* @since 4.1.1 |
| 366 |
* |
| 367 |
* @param string $key |
| 368 |
* |
| 369 |
* @return string |
| 370 |
*/ |
| 371 |
public static function get_site_info( $key ) { |
| 372 |
if ( empty( $key ) ) { |
| 373 |
return ''; |
| 374 |
} |
| 375 |
|
| 376 |
// Removes prefix if present |
| 377 |
$key = self::maybe_remove_prefix( $key, 'site_' ); |
| 378 |
|
| 379 |
$res = ''; |
| 380 |
|
| 381 |
switch ( $key ) { |
| 382 |
case 'title': |
| 383 |
$res = get_bloginfo(); |
| 384 |
break; |
| 385 |
case 'tagline': |
| 386 |
$res = get_bloginfo( 'description' ); |
| 387 |
break; |
| 388 |
case 'arc_title': |
| 389 |
$res = self::get_page_title(); |
| 390 |
break; |
| 391 |
case 'arc_desc': |
| 392 |
$res = wp_kses_post( get_the_archive_description() ); |
| 393 |
break; |
| 394 |
} |
| 395 |
|
| 396 |
return $res; |
| 397 |
} |
| 398 |
|
| 399 |
/** |
| 400 |
* Gets the link |
| 401 |
* |
| 402 |
* @since 4.1.1 |
| 403 |
* @param string $post_id Post ID. |
| 404 |
* @param string $key Key value. |
| 405 |
* |
| 406 |
* @return string |
| 407 |
*/ |
| 408 |
public static function get_link( $post_id, $key ) { |
| 409 |
$res = ''; |
| 410 |
|
| 411 |
if ( empty( $post_id ) ) { |
| 412 |
if ( in_the_loop() ) { |
| 413 |
$post_id = get_the_ID(); |
| 414 |
} else { |
| 415 |
global $post; |
| 416 |
$post_id = isset( $post->ID ) ? $post->ID : ''; |
| 417 |
} |
| 418 |
} |
| 419 |
|
| 420 |
if ( self::is_field_key( $key ) ) { |
| 421 |
$res = self::get_field_value( $post_id, $key ); |
| 422 |
} else { |
| 423 |
$author_id = absint( get_post_field( 'post_author', $post_id ) ); |
| 424 |
$key = self::maybe_remove_prefix( $key, 'link_' ); |
| 425 |
switch ( $key ) { |
| 426 |
case 'post_featured_image': |
| 427 |
$res = wp_get_attachment_image_url( get_post_thumbnail_id( $post_id ), 'full' ); |
| 428 |
break; |
| 429 |
case 'post_permalink': |
| 430 |
$res = get_permalink( $post_id ); |
| 431 |
break; |
| 432 |
case 'post_comments': |
| 433 |
$res = get_comments_link( $post_id ); |
| 434 |
break; |
| 435 |
case 'a_profile': |
| 436 |
$res = get_avatar_url( $author_id ); |
| 437 |
break; |
| 438 |
case 'a_arc': |
| 439 |
$res = get_author_posts_url( $author_id ); |
| 440 |
break; |
| 441 |
case 'a_page': |
| 442 |
$res = get_the_author_meta( 'url', $author_id ); |
| 443 |
break; |
| 444 |
} |
| 445 |
} |
| 446 |
|
| 447 |
return $res; |
| 448 |
} |
| 449 |
|
| 450 |
/** |
| 451 |
* Replaces substring with a string |
| 452 |
* |
| 453 |
* @since 4.1.1 |
| 454 |
* @param string $old Post content string. |
| 455 |
* @param string $new Value to insert. |
| 456 |
* |
| 457 |
* @return string |
| 458 |
*/ |
| 459 |
public static function replace( $old, $new ) { |
| 460 |
$pattern = '/<span\s+class\s*=\s*["\']ultp-richtext-dynamic-content["\']\s*>(.*?)<\/span>/'; |
| 461 |
|
| 462 |
// Replaces only the first match, the rest matches are deleted. |
| 463 |
$res = preg_replace_callback( |
| 464 |
$pattern, |
| 465 |
function ( $matches ) use ( &$firstMatch, $new ) { |
| 466 |
if ( ! isset( $firstMatch ) ) { |
| 467 |
$firstMatch = $matches[0]; |
| 468 |
return $new; |
| 469 |
} else { |
| 470 |
return ''; |
| 471 |
} |
| 472 |
}, |
| 473 |
$old |
| 474 |
); |
| 475 |
|
| 476 |
return is_null( $res ) ? $old : $res; |
| 477 |
} |
| 478 |
|
| 479 |
/** |
| 480 |
* Gets the post types |
| 481 |
* |
| 482 |
* @since 4.1.1 |
| 483 |
* |
| 484 |
* @return array[string] |
| 485 |
*/ |
| 486 |
public static function get_post_types() { |
| 487 |
$res = array(); |
| 488 |
$post_types = get_post_types( |
| 489 |
array( |
| 490 |
'public' => true, |
| 491 |
), |
| 492 |
'objects' |
| 493 |
); |
| 494 |
|
| 495 |
foreach ( $post_types as $_ => $value ) { |
| 496 |
if ( 'attachment' !== $value->name ) { |
| 497 |
$res[] = array( |
| 498 |
'value' => $value->name, |
| 499 |
'label' => $value->label, |
| 500 |
); |
| 501 |
} |
| 502 |
} |
| 503 |
|
| 504 |
return $res; |
| 505 |
} |
| 506 |
|
| 507 |
/** |
| 508 |
* Checks if Dynamic Content is active |
| 509 |
* |
| 510 |
* @since 4.1.1 |
| 511 |
* |
| 512 |
* @param array $attr Block attributes. |
| 513 |
* |
| 514 |
* @return boolean |
| 515 |
*/ |
| 516 |
public static function is_dc_active( &$attr ) { |
| 517 |
return ultimate_post()->get_setting( 'ultp_dynamic_content' ) == 'true' && |
| 518 |
isset( $attr['dcEnabled'] ); |
| 519 |
} |
| 520 |
|
| 521 |
/** |
| 522 |
* Get page title |
| 523 |
* |
| 524 |
* @since 4.1.1 |
| 525 |
* |
| 526 |
* @return string |
| 527 |
*/ |
| 528 |
private static function get_page_title() { |
| 529 |
$title = ''; |
| 530 |
|
| 531 |
if ( is_singular() ) { |
| 532 |
$title = get_the_title(); |
| 533 |
} elseif ( is_search() ) { |
| 534 |
/* translators: %s: Search query. */ |
| 535 |
$title = sprintf( esc_html__( 'Search Results for: %s', 'ultimate-post' ), get_search_query() ); |
| 536 |
|
| 537 |
if ( get_query_var( 'paged' ) ) { |
| 538 |
/* translators: %s: Page number. */ |
| 539 |
$title .= sprintf( esc_html__( ' – Page %s', 'ultimate-post' ), get_query_var( 'paged' ) ); |
| 540 |
} |
| 541 |
} elseif ( is_category() ) { |
| 542 |
$title = single_cat_title( '', false ); |
| 543 |
} elseif ( is_tag() ) { |
| 544 |
$title = single_tag_title( '', false ); |
| 545 |
} elseif ( is_author() ) { |
| 546 |
$title = get_the_author(); |
| 547 |
} elseif ( is_year() ) { |
| 548 |
$title = get_the_date( __( 'Y', 'ultimate-post' ) ); |
| 549 |
} elseif ( is_month() ) { |
| 550 |
$title = get_the_date( __( 'F Y', 'ultimate-post' ) ); |
| 551 |
} elseif ( is_day() ) { |
| 552 |
$title = get_the_date( __( 'F j, Y', 'ultimate-post' ) ); |
| 553 |
} elseif ( is_post_type_archive() ) { |
| 554 |
$title = post_type_archive_title( '', false ); |
| 555 |
} elseif ( is_tax() ) { |
| 556 |
$title = single_term_title( '', false ); |
| 557 |
} elseif ( is_archive() ) { |
| 558 |
$title = esc_html__( 'Archives', 'ultimate-post' ); |
| 559 |
} elseif ( is_404() ) { |
| 560 |
$title = esc_html__( 'Page Not Found', 'ultimate-post' ); |
| 561 |
} |
| 562 |
|
| 563 |
return $title; |
| 564 |
} |
| 565 |
|
| 566 |
/** |
| 567 |
* Properly decodes HTML chars from string |
| 568 |
* |
| 569 |
* @param mixed $str |
| 570 |
* @return mixed |
| 571 |
*/ |
| 572 |
public static function process( $str ) { |
| 573 |
if ( is_string( $str ) ) { |
| 574 |
$res = esc_html( html_entity_decode( $str ) ); |
| 575 |
return str_replace( '&', '&', $res ); |
| 576 |
} |
| 577 |
return $str; |
| 578 |
} |
| 579 |
|
| 580 |
/** |
| 581 |
* Limits a string by word |
| 582 |
* |
| 583 |
* @param string $str |
| 584 |
* @param int $limit |
| 585 |
* @return string |
| 586 |
*/ |
| 587 |
public static function limit_str( $str, $limit ) { |
| 588 |
return join( ' ', array_slice( explode( ' ', $str ), 0, $limit ) ); |
| 589 |
} |
| 590 |
|
| 591 |
/** |
| 592 |
* Whether a dynamic content key is a custom field |
| 593 |
* |
| 594 |
* Plain custom metas (`cmeta_`) are handled here; other field sources are answered by PostX Pro. |
| 595 |
* |
| 596 |
* @param string $key Key with its prefix. |
| 597 |
* @return bool |
| 598 |
*/ |
| 599 |
private static function is_field_key( $key ) { |
| 600 |
if ( ! is_string( $key ) || '' === $key ) { |
| 601 |
return false; |
| 602 |
} |
| 603 |
if ( self::check_prefix( $key, 'cmeta_' ) ) { |
| 604 |
return true; |
| 605 |
} |
| 606 |
return (bool) apply_filters( 'ultp_dc_is_field_key', false, $key ); |
| 607 |
} |
| 608 |
|
| 609 |
private static function check_prefix( $key, $prefix ) { |
| 610 |
return substr( $key, 0, strlen( $prefix ) ) === $prefix; |
| 611 |
} |
| 612 |
|
| 613 |
private static function maybe_remove_prefix( $key, $prefix ) { |
| 614 |
if ( substr( $key, 0, strlen( $prefix ) ) === $prefix ) { |
| 615 |
return substr( $key, strlen( $prefix ) ); |
| 616 |
} |
| 617 |
return $key; |
| 618 |
} |
| 619 |
} |
| 620 |
|
