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Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More / 6.8
Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More v6.8
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← All changes | classes/models/FrmDb.php +81 -182 6.276.8 View file →
@@ -3,35 +3,11 @@
3 3 die( 'You are not allowed to call this page directly.' );
4 4 }
5 5
6 6 class FrmDb {
7 -
8 - /**
9 - * The table name for Formidable Fields.
10 - *
11 - * @var string
12 - */
13 7 public $fields;
14 -
15 - /**
16 - * The table name for Formidable Forms.
17 - *
18 - * @var string
19 - */
20 8 public $forms;
21 -
22 - /**
23 - * The table name for Formidable Entries.
24 - *
25 - * @var string
26 - */
27 9 public $entries;
28 -
29 - /**
30 - * The table name for Formidable Entry Metas.
31 - *
32 - * @var string
33 - */
34 10 public $entry_metas;
35 11
36 12 public function __construct() {
37 13 if ( ! defined( 'ABSPATH' ) ) {
@@ -50,13 +26,11 @@
50 26 * Change array into format $wpdb->prepare can use
51 27 *
52 28 * @param array $args
53 29 * @param string $starts_with
54 - *
55 - * @return void
56 30 */
57 31 public static function get_where_clause_and_values( &$args, $starts_with = ' WHERE ' ) {
58 - if ( ! $args ) {
32 + if ( empty( $args ) ) {
59 33 // add an arg to prevent prepare from failing
60 34 $args = array(
61 35 'where' => $starts_with . '1=%d',
62 36 'values' => array( 1 ),
@@ -80,14 +54,11 @@
80 54 * @param array $args
81 55 * @param string $base_where
82 56 * @param string $where
83 57 * @param array $values
84 - *
85 - * @return void
86 58 */
87 59 public static function parse_where_from_array( $args, $base_where, &$where, &$values ) {
88 60 $condition = ' AND';
89 -
90 61 if ( isset( $args['or'] ) ) {
91 62 $condition = ' OR';
92 63 unset( $args['or'] );
93 64 }
@@ -92,16 +63,13 @@
92 63 unset( $args['or'] );
93 64 }
94 65
95 66 foreach ( $args as $key => $value ) {
96 - $where .= empty( $where ) ? $base_where : $condition;
97 - // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
98 - $array_inc_null = ! is_numeric( $key ) && is_array( $value ) && in_array( null, $value );
99 -
67 + $where .= empty( $where ) ? $base_where : $condition;
68 + $array_inc_null = ( ! is_numeric( $key ) && is_array( $value ) && in_array( null, $value ) );
100 69 if ( is_numeric( $key ) || $array_inc_null ) {
101 - $where .= ' ( ';
70 + $where .= ' ( ';
102 71 $nested_where = '';
103 -
104 72 if ( $array_inc_null ) {
105 73 foreach ( $value as $val ) {
106 74 $parse_where = array(
107 75 $key => $val,
@@ -111,29 +79,27 @@
111 79 }
112 80 } else {
113 81 self::parse_where_from_array( $value, '', $nested_where, $values );
114 82 }
115 -
116 83 $where .= $nested_where;
117 84 $where .= ' ) ';
118 85 } else {
119 86 self::interpret_array_to_sql( $key, $value, $where, $values );
120 - }//end if
87 + }
121 88 }//end foreach
122 89 }
123 90
124 91 /**
125 92 * @param string $key
126 - * @param array|string $value
93 + * @param string|array $value
127 94 * @param string $where
128 95 * @param array $values
129 - *
130 96 * @return void
131 97 */
132 98 private static function interpret_array_to_sql( $key, $value, &$where, &$values ) {
133 99 $key = trim( $key );
134 100
135 - if ( str_contains( $key, 'created_at' ) || str_contains( $key, 'updated_at' ) ) {
101 + if ( strpos( $key, 'created_at' ) !== false || strpos( $key, 'updated_at' ) !== false ) {
136 102 $k = explode( ' ', $key );
137 103 $where .= ' CAST(' . reset( $k ) . ' as CHAR) ' . str_replace( reset( $k ), '', $key );
138 104 } else {
139 105 $where .= ' ' . $key;
@@ -143,29 +109,26 @@
143 109 $lowercase_key = end( $lowercase_key );
144 110
145 111 if ( is_array( $value ) ) {
146 112 // translate array of values to "in"
147 - if ( str_contains( $lowercase_key, 'like' ) ) {
148 - $where = preg_replace( '/' . $key . '$/', '', $where );
113 + if ( strpos( $lowercase_key, 'like' ) !== false ) {
114 + $where = preg_replace( '/' . $key . '$/', '', $where );
149 115 $where .= '(';
150 - $start = true;
151 -
116 + $start = true;
152 117 foreach ( $value as $v ) {
153 118 if ( ! $start ) {
154 119 $where .= ' OR ';
155 120 }
156 -
157 121 $start = false;
158 - $where .= $key . ' %s';
122 + $where .= $key . ' %s';
159 123 $values[] = '%' . self::esc_like( $v ) . '%';
160 124 }
161 -
162 125 $where .= ')';
163 - } elseif ( $value ) {
164 - $where .= ' in (' . self::prepare_array_values( $value, '%s' ) . ')';
126 + } elseif ( ! empty( $value ) ) {
127 + $where .= ' in (' . self::prepare_array_values( $value, '%s' ) . ')';
165 128 $values = array_merge( $values, $value );
166 129 }
167 - } elseif ( str_contains( $lowercase_key, 'like' ) ) {
130 + } elseif ( strpos( $lowercase_key, 'like' ) !== false ) {
168 131 /**
169 132 * Allow string to start or end with the value
170 133 * If the key is like% then skip the first % for starts with
171 134 * If the key is %like then skip the last % for ends with
@@ -171,19 +134,18 @@
171 134 * If the key is %like then skip the last % for ends with
172 135 */
173 136 $start = '%';
174 137 $end = '%';
175 -
176 - if ( $lowercase_key === 'like%' ) {
138 + if ( $lowercase_key == 'like%' ) {
177 139 $start = '';
178 140 $where = rtrim( $where, '%' );
179 - } elseif ( $lowercase_key === '%like' ) {
180 - $end = '';
181 - $where = rtrim( rtrim( $where, '%like' ), '%LIKE' );
141 + } elseif ( $lowercase_key == '%like' ) {
142 + $end = '';
143 + $where = rtrim( rtrim( $where, '%like' ), '%LIKE' );
182 144 $where .= 'like';
183 145 }
184 146
185 - $where .= ' %s';
147 + $where .= ' %s';
186 148 $values[] = $start . self::esc_like( $value ) . $end;
187 149
188 150 } elseif ( $value === null ) {
189 151 $where .= ' IS NULL';
@@ -188,9 +150,9 @@
188 150 } elseif ( $value === null ) {
189 151 $where .= ' IS NULL';
190 152 } else {
191 153 // allow a - to prevent = from being added
192 - if ( str_ends_with( $key, '-' ) ) {
154 + if ( substr( $key, - 1 ) == '-' ) {
193 155 $where = rtrim( $where, '-' );
194 156 } else {
195 157 $where .= '=';
196 158 }
@@ -208,15 +170,13 @@
208 170 *
209 171 * @param string $key
210 172 * @param int|string $value
211 173 * @param string $where
212 - *
213 - * @return void
214 174 */
215 175 private static function add_query_placeholder( $key, $value, &$where ) {
216 - if ( is_numeric( $value ) && ( ! str_contains( $key, 'meta_value' ) || str_contains( $key, '+0' ) ) ) {
176 + if ( is_numeric( $value ) && ( strpos( $key, 'meta_value' ) === false || strpos( $key, '+0' ) !== false ) ) {
217 177 // Switch string to number.
218 - $value = $value + 0;
178 + $value = $value + 0;
219 179 $where .= is_float( $value ) ? '%f' : '%d';
220 180 } else {
221 181 $where .= '%s';
222 182 }
@@ -230,8 +190,9 @@
230 190 * @return int
231 191 */
232 192 public static function get_count( $table, $where = array(), $args = array() ) {
233 193 $count = self::get_var( $table, $where, 'COUNT(*)', $args );
194 +
234 195 return (int) $count;
235 196 }
236 197
237 198 /**
@@ -241,23 +202,24 @@
241 202 * @param array $args
242 203 * @param string $limit
243 204 * @param string $type
244 205 *
245 - * @return array|object|string|null
206 + * @return array|null|string|object
246 207 */
247 208 public static function get_var( $table, $where = array(), $field = 'id', $args = array(), $limit = '', $type = 'var' ) {
248 209 $group = '';
249 210 self::get_group_and_table_name( $table, $group );
250 211 self::convert_options_to_array( $args, '', $limit );
251 -
252 212 if ( $type === 'var' && ! isset( $args['limit'] ) ) {
253 213 $args['limit'] = 1;
254 214 }
255 215
256 - $query = self::generate_query_string_from_pieces( $field, $table, $where, $args );
216 + $query = self::generate_query_string_from_pieces( $field, $table, $where, $args );
217 +
257 218 $cache_key = self::generate_cache_key( $where, $args, $field, $type );
219 + $results = self::check_cache( $cache_key, $group, $query, 'get_' . $type );
258 220
259 - return self::check_cache( $cache_key, $group, $query, 'get_' . $type );
221 + return $results;
260 222 }
261 223
262 224 /**
263 225 * Generate a cache key from the where query, field, type, and other arguments
@@ -273,16 +235,15 @@
273 235 */
274 236 public static function generate_cache_key( $where, $args, $field, $type ) {
275 237 $cache_key = '';
276 238 $where = FrmAppHelper::array_flatten( $where );
277 -
278 239 foreach ( $where as $key => $value ) {
279 240 $cache_key .= $key . '_' . $value;
280 241 }
281 -
282 242 $cache_key .= implode( '_', $args ) . $field . '_' . $type;
243 + $cache_key = str_replace( array( ' ', ',' ), '_', $cache_key );
283 244
284 - return str_replace( array( ' ', ',' ), '_', $cache_key );
245 + return $cache_key;
285 246 }
286 247
287 248 /**
288 249 * @param string $table
@@ -290,9 +251,9 @@
290 251 * @param string $field
291 252 * @param array $args
292 253 * @param string $limit
293 254 *
294 - * @return array
255 + * @return mixed
295 256 */
296 257 public static function get_col( $table, $where = array(), $field = 'id', $args = array(), $limit = '' ) {
297 258 return self::get_var( $table, $where, $field, $args, $limit, 'col' );
298 259 }
@@ -308,8 +269,9 @@
308 269 * @return mixed
309 270 */
310 271 public static function get_row( $table, $where = array(), $fields = '*', $args = array() ) {
311 272 $args['limit'] = 1;
273 +
312 274 return self::get_var( $table, $where, $fields, $args, '', 'row' );
313 275 }
314 276
315 277 /**
@@ -321,9 +283,9 @@
321 283 * @param array $where
322 284 * @param string $fields
323 285 * @param array $args
324 286 *
325 - * @return array
287 + * @return mixed
326 288 */
327 289 public static function get_results( $table, $where = array(), $fields = '*', $args = array() ) {
328 290 return self::get_var( $table, $where, $fields, $args, '', 'results' );
329 291 }
@@ -350,15 +312,14 @@
350 312 '%like' => '%like',
351 313 );
352 314
353 315 $where_is = strtolower( $where_is );
354 -
355 316 if ( isset( $switch_to[ $where_is ] ) ) {
356 317 return ' ' . $switch_to[ $where_is ];
357 318 }
358 319
359 320 // > and < need a little more work since we don't want them switched to >= and <=
360 - if ( $where_is === '>' || $where_is === '<' ) {
321 + if ( $where_is == '>' || $where_is == '<' ) {
361 322 // The - indicates that the = should not be added later.
362 323 return ' ' . $where_is . '-';
363 324 }
364 325
@@ -371,22 +332,20 @@
371 332 * Also add the wpdb->prefix to the table if it's missing
372 333 *
373 334 * @param string $table
374 335 * @param string $group
375 - *
376 - * @return void
377 336 */
378 337 private static function get_group_and_table_name( &$table, &$group ) {
379 - global $wpdb;
338 + global $wpdb, $wpmuBaseTablePrefix;
380 339
381 340 $table_parts = explode( ' ', $table );
382 341 $group = reset( $table_parts );
383 342 self::maybe_remove_prefix( $wpdb->prefix, $group );
384 343
385 - $prefix = $wpdb->base_prefix;
344 + $prefix = $wpmuBaseTablePrefix ? $wpmuBaseTablePrefix : $wpdb->base_prefix;
386 345 self::maybe_remove_prefix( $prefix, $group );
387 346
388 - if ( $group === $table ) {
347 + if ( $group == $table ) {
389 348 $table = $wpdb->prefix . $table;
390 349 }
391 350
392 351 // switch to singular group name
@@ -396,44 +355,30 @@
396 355 /**
397 356 * Only remove the db prefix when at the beginning.
398 357 *
399 358 * @since 4.04.02
400 - *
401 - * @param string $prefix Prefix to remove.
402 - * @param string $name Name to strip prefix from, passed by reference.
403 - *
404 - * @return void
405 359 */
406 360 private static function maybe_remove_prefix( $prefix, &$name ) {
407 - if ( str_starts_with( $name, $prefix ) ) {
361 + if ( substr( $name, 0, strlen( $prefix ) ) === $prefix ) {
408 362 $name = substr( $name, strlen( $prefix ) );
409 363 }
410 364 }
411 365
412 - /**
413 - * @param array|string $args
414 - * @param string $order_by
415 - * @param int|string $limit
416 - *
417 - * @return void
418 - */
419 366 private static function convert_options_to_array( &$args, $order_by = '', $limit = '' ) {
420 367 if ( ! is_array( $args ) ) {
421 368 $args = array( 'order_by' => $args );
422 369 }
423 370
424 - if ( $order_by ) {
371 + if ( ! empty( $order_by ) ) {
425 372 $args['order_by'] = $order_by;
426 373 }
427 374
428 - if ( $limit ) {
375 + if ( ! empty( $limit ) ) {
429 376 $args['limit'] = $limit;
430 377 }
431 378
432 379 $temp_args = $args;
433 -
434 380 foreach ( $temp_args as $k => $v ) {
435 - // phpcs:ignore Universal.Operators.StrictComparisons
436 381 if ( $v == '' ) {
437 382 unset( $args[ $k ] );
438 383 continue;
439 384 }
@@ -438,10 +383,9 @@
438 383 continue;
439 384 }
440 385
441 386 $db_name = strtoupper( str_replace( '_', ' ', $k ) );
442 -
443 - if ( ! str_contains( $v, $db_name ) ) {
387 + if ( strpos( $v, $db_name ) === false ) {
444 388 $args[ $k ] = $db_name . ' ' . $v;
445 389 }
446 390 }
447 391
@@ -467,12 +411,14 @@
467 411 public static function get_associative_array_results( $columns, $table, $where ) {
468 412 $group = '';
469 413 self::get_group_and_table_name( $table, $group );
470 414
471 - $query = self::generate_query_string_from_pieces( $columns, $table, $where );
415 + $query = self::generate_query_string_from_pieces( $columns, $table, $where );
416 +
472 417 $cache_key = str_replace( array( ' ', ',' ), '_', trim( implode( '_', FrmAppHelper::array_flatten( $where ) ) . $columns . '_results_ARRAY_A', ' WHERE' ) );
418 + $results = self::check_cache( $cache_key, $group, $query, 'get_associative_results' );
473 419
474 - return self::check_cache( $cache_key, $group, $query, 'get_associative_results' );
420 + return $results;
475 421 }
476 422
477 423 /**
478 424 * Combine the pieces of a query to form a full, prepared query
@@ -494,8 +440,15 @@
494 440 if ( is_array( $where ) || empty( $where ) ) {
495 441 self::get_where_clause_and_values( $where );
496 442 global $wpdb;
497 443 $query = $wpdb->prepare( $query . $where['where'] . ' ' . implode( ' ', $args ), $where['values'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
444 + } else {
445 + /**
446 + * Allow the $where to be prepared before we recieve it here.
447 + * This is a fallback for reverse compatibility, but is not recommended
448 + */
449 + _deprecated_argument( 'where', '2.0', esc_html__( 'Use the query in an array format so it can be properly prepared.', 'formidable' ) );
450 + $query .= $where . ' ' . implode( ' ', $args );
498 451 }
499 452
500 453 return $query;
501 454 }
@@ -501,22 +454,17 @@
501 454 }
502 455
503 456 /**
504 457 * @since 2.05.07
505 - *
506 - * @param array $args Query arguments, passed by reference.
507 - *
508 - * @return void
509 458 */
510 459 private static function esc_query_args( &$args ) {
511 460 foreach ( $args as $param => $value ) {
512 - if ( $param === 'order_by' ) {
461 + if ( $param == 'order_by' ) {
513 462 $args[ $param ] = self::esc_order( $value );
514 - } elseif ( $param === 'limit' ) {
463 + } elseif ( $param == 'limit' ) {
515 464 $args[ $param ] = self::esc_limit( $value );
516 465 }
517 466
518 - // phpcs:ignore Universal.Operators.StrictComparisons
519 467 if ( $args[ $param ] == '' ) {
520 468 unset( $args[ $param ] );
521 469 }
522 470 }
@@ -522,9 +470,9 @@
522 470 }
523 471 }
524 472
525 473 /**
526 - * Added for < WP 4.0 compatibility
474 + * Added for < WP 4.0 compatability
527 475 *
528 476 * @since 2.05.06
529 477 *
530 478 * @param string $term The value to escape.
@@ -532,8 +480,9 @@
532 480 * @return string The escaped value
533 481 */
534 482 public static function esc_like( $term ) {
535 483 global $wpdb;
484 +
536 485 return $wpdb->esc_like( $term );
537 486 }
538 487
539 488 /**
@@ -539,33 +488,29 @@
539 488 /**
540 489 * @since 2.05.06
541 490 *
542 491 * @param string $order_query
543 - *
544 - * @return string
545 492 */
546 493 public static function esc_order( $order_query ) {
547 - if ( ! $order_query ) {
494 + if ( empty( $order_query ) ) {
548 495 return '';
549 496 }
550 497
551 - // Remove ORDER BY before sanitizing.
498 + // remove ORDER BY before santizing
552 499 $order_query = strtolower( $order_query );
553 -
554 - if ( str_contains( $order_query, 'order by' ) ) {
500 + if ( strpos( $order_query, 'order by' ) !== false ) {
555 501 $order_query = str_replace( 'order by', '', $order_query );
556 502 }
557 503
558 504 $order_query = explode( ' ', trim( $order_query ) );
559 - $order = trim( reset( $order_query ) );
560 - $safe_order = array( 'count(*)' );
561 505
562 - if ( ! in_array( strtolower( $order ), $safe_order, true ) ) {
506 + $order = trim( reset( $order_query ) );
507 + $safe_order = array( 'count(*)' );
508 + if ( ! in_array( strtolower( $order ), $safe_order ) ) {
563 509 $order = preg_replace( '/[^a-zA-Z0-9\-\_\.\+]/', '', $order );
564 510 }
565 511
566 512 $order_by = '';
567 -
568 513 if ( count( $order_query ) > 1 ) {
569 514 $order_by = end( $order_query );
570 515 self::esc_order_by( $order_by );
571 516 }
@@ -576,41 +521,32 @@
576 521 /**
577 522 * Make sure this is ordering by either ASC or DESC
578 523 *
579 524 * @since 2.05.06
580 - *
581 - * @param string $order_by Sort direction, passed by reference.
582 - *
583 - * @return void
584 525 */
585 526 public static function esc_order_by( &$order_by ) {
586 527 $sort_options = array( 'asc', 'desc' );
587 -
588 - if ( ! in_array( strtolower( $order_by ), $sort_options, true ) ) {
528 + if ( ! in_array( strtolower( $order_by ), $sort_options ) ) {
589 529 $order_by = 'asc';
590 530 }
591 531 }
592 532
593 533 /**
594 - * @since 2.05.06
595 - *
596 534 * @param string $limit
597 535 *
598 - * @return string
536 + * @since 2.05.06
599 537 */
600 538 public static function esc_limit( $limit ) {
601 - if ( ! $limit ) {
539 + if ( empty( $limit ) ) {
602 540 return '';
603 541 }
604 542
605 543 $limit = trim( str_replace( 'limit ', '', strtolower( $limit ) ) );
606 -
607 544 if ( is_numeric( $limit ) ) {
608 545 return ' LIMIT ' . $limit;
609 546 }
610 547
611 548 $limit = explode( ',', trim( $limit ) );
612 -
613 549 foreach ( $limit as $k => $l ) {
614 550 if ( is_numeric( $l ) ) {
615 551 $limit[ $k ] = $l;
616 552 }
@@ -624,36 +560,29 @@
624 560 /**
625 561 * Get an array of values ready to go through $wpdb->prepare
626 562 *
627 563 * @since 2.05.06
628 - *
629 - * @param array $array Array of values.
630 - * @param string $type Placeholder type.
631 - *
632 - * @return string
633 564 */
634 565 public static function prepare_array_values( $array, $type = '%s' ) {
635 566 $placeholders = array_fill( 0, count( $array ), $type );
567 +
636 568 return implode( ', ', $placeholders );
637 569 }
638 570
639 571 /**
640 572 * @since 2.05.06
641 - *
642 - * @param string $starts_with
643 - * @param array|string $where
644 - *
645 - * @return string
646 573 */
647 574 public static function prepend_and_or_where( $starts_with = ' WHERE ', $where = '' ) {
648 - if ( ! $where ) {
575 + if ( empty( $where ) ) {
649 576 $where = '';
650 - } elseif ( is_array( $where ) ) {
577 + } else {
578 + if ( is_array( $where ) ) {
651 579 global $wpdb;
652 580 self::get_where_clause_and_values( $where, $starts_with );
653 581 $where = $wpdb->prepare( $where['where'], $where['values'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
654 - } else {
655 - $where = $starts_with . $where;
582 + } else {
583 + $where = $starts_with . $where;
584 + }
656 585 }
657 586
658 587 /**
659 588 * Allows modifying where clause when using FrmDb::prepend_and_or_where() method.
@@ -668,14 +597,12 @@
668 597
669 598 /**
670 599 * Prepare and save settings in styles and actions
671 600 *
601 + * @param array $settings
602 + * @param string $group
603 + *
672 604 * @since 2.05.06
673 - *
674 - * @param array|object $settings
675 - * @param string $group
676 - *
677 - * @return int|WP_Error
678 605 */
679 606 public static function save_settings( $settings, $group ) {
680 607 $settings = (array) $settings;
681 608 $settings['post_content'] = FrmAppHelper::prepare_and_encode( $settings['post_content'] );
@@ -699,14 +626,12 @@
699 626 *
700 627 * @since 2.05.06
701 628 *
702 629 * @param array $settings
703 - *
704 630 * @return int|WP_Error
705 631 */
706 632 public static function save_json_post( $settings ) {
707 633 global $wp_filter;
708 -
709 634 if ( isset( $wp_filter['content_save_pre'] ) ) {
710 635 $filters = $wp_filter['content_save_pre'];
711 636 }
712 637
@@ -731,23 +656,20 @@
731 656 * @param string $cache_key The unique name for this cache.
732 657 * @param string $group The name of the cache group.
733 658 * @param string $query If blank, don't run a db call.
734 659 * @param string $type The wpdb function to use with this query.
735 - * @param int $time Cache expiration time in seconds.
736 660 *
737 661 * @return mixed $results The cache or query results
738 662 */
739 663 public static function check_cache( $cache_key, $group = '', $query = '', $type = 'get_var', $time = 300 ) {
740 - $found = null;
741 - $results = wp_cache_get( $cache_key, $group, false, $found );
742 -
743 - if ( ( $found === true && $results !== false ) || empty( $query ) ) {
664 + $results = wp_cache_get( $cache_key, $group );
665 + if ( ! FrmAppHelper::is_empty_value( $results, false ) || empty( $query ) ) {
744 666 return $results;
745 667 }
746 668
747 - if ( 'get_posts' === $type ) {
669 + if ( 'get_posts' == $type ) {
748 670 $results = get_posts( $query );
749 - } elseif ( 'get_associative_results' === $type ) {
671 + } elseif ( 'get_associative_results' == $type ) {
750 672 global $wpdb;
751 673 $results = $wpdb->get_results( $query, OBJECT_K ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
752 674 } else {
753 675 global $wpdb;
@@ -760,15 +682,8 @@
760 682 }
761 683
762 684 /**
763 685 * @since 2.05.06
764 - *
765 - * @param string $cache_key The unique name for this cache.
766 - * @param mixed $results Cached results.
767 - * @param string $group The name of the cache group.
768 - * @param int $time Cache expiration time in seconds.
769 - *
770 - * @return void
771 686 */
772 687 public static function set_cache( $cache_key, $results, $group = '', $time = 300 ) {
773 688 if ( ! FrmAppHelper::prevent_caching() ) {
774 689 self::add_key_to_group_cache( $cache_key, $group );
@@ -780,13 +695,8 @@
780 695 * Keep track of the keys cached in each group so they can be deleted
781 696 * in Redis and Memcache
782 697 *
783 698 * @since 2.05.06
784 - *
785 - * @param string $key Cache key.
786 - * @param string $group Cache group name.
787 - *
788 - * @return void
789 699 */
790 700 public static function add_key_to_group_cache( $key, $group ) {
791 701 $cached = self::get_group_cached_keys( $group );
792 702 $cached[ $key ] = $key;
@@ -794,16 +704,11 @@
794 704 }
795 705
796 706 /**
797 707 * @since 2.05.06
798 - *
799 - * @param string $group Cache group name.
800 - *
801 - * @return array
802 708 */
803 709 public static function get_group_cached_keys( $group ) {
804 710 $cached = wp_cache_get( 'cached_keys', $group );
805 -
806 711 if ( ! $cached || ! is_array( $cached ) ) {
807 712 $cached = array();
808 713 }
809 714
@@ -812,12 +717,9 @@
812 717
813 718 /**
814 719 * @since 2.05.06
815 720 *
816 - * @param string $cache_key Cache key to delete.
817 - * @param string $group Cache group name.
818 - *
819 - * @return void
721 + * @param string $cache_key
820 722 */
821 723 public static function delete_cache_and_transient( $cache_key, $group = 'default' ) {
822 724 delete_transient( $cache_key );
823 725 wp_cache_delete( $cache_key, $group );
@@ -828,15 +730,13 @@
828 730 *
829 731 * @since 2.05.06
830 732 *
831 733 * @param string $group The name of the cache group.
832 - *
833 - * @return void
834 734 */
835 735 public static function cache_delete_group( $group ) {
836 736 $cached_keys = self::get_group_cached_keys( $group );
837 737
838 - if ( $cached_keys ) {
738 + if ( ! empty( $cached_keys ) ) {
839 739 foreach ( $cached_keys as $key ) {
840 740 wp_cache_delete( $key, $group );
841 741 }
842 742
@@ -850,9 +750,8 @@
850 750 * @since 6.7
851 751 *
852 752 * @param string $table Table name without `$wpdb->prefix`.
853 753 * @param string $column Column name.
854 - *
855 754 * @return bool
856 755 */
857 756 public static function db_column_exists( $table, $column ) {
858 757 global $wpdb;