| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Class LP_Helper |
| 5 |
*/ |
| 6 |
defined( 'ABSPATH' ) || exit; |
| 7 |
|
| 8 |
class LP_Helper { |
| 9 |
|
| 10 |
/** |
| 11 |
* Wrap function unserialize to fix issues with UTF-8 chars when encoding/decoding |
| 12 |
* of serialize function. |
| 13 |
* |
| 14 |
* @param string $string |
| 15 |
* |
| 16 |
* @return mixed |
| 17 |
*/ |
| 18 |
public static function maybe_unserialize( $string ) { |
| 19 |
if ( is_string( $string ) ) { |
| 20 |
|
| 21 |
$unserialized = maybe_unserialize( $string ); |
| 22 |
if ( ! $unserialized && strlen( $string ) ) { |
| 23 |
$string = preg_replace_callback( |
| 24 |
'!s:(\d+):"(.*?)";!s', |
| 25 |
array( __CLASS__, '_unserialize_replace_callback' ), |
| 26 |
$string |
| 27 |
); |
| 28 |
|
| 29 |
$unserialized = maybe_unserialize( $string ); |
| 30 |
} |
| 31 |
|
| 32 |
$string = $unserialized; |
| 33 |
} |
| 34 |
|
| 35 |
return $string; |
| 36 |
} |
| 37 |
|
| 38 |
public static function _unserialize_replace_callback( $m ) { |
| 39 |
$len = strlen( $m[2] ); |
| 40 |
$result = "s:$len:\"{$m[2]}\";"; |
| 41 |
|
| 42 |
return $result; |
| 43 |
} |
| 44 |
|
| 45 |
/** |
| 46 |
* Shuffle array and keep the keys |
| 47 |
* |
| 48 |
* @param array $array |
| 49 |
* |
| 50 |
* @return bool |
| 51 |
*/ |
| 52 |
public static function shuffle_assoc( &$array ) { |
| 53 |
$keys = array_keys( $array ); |
| 54 |
shuffle( $keys ); |
| 55 |
$new = array(); |
| 56 |
foreach ( $keys as $key ) { |
| 57 |
$new[ $key ] = $array[ $key ]; |
| 58 |
} |
| 59 |
$array = $new; |
| 60 |
|
| 61 |
return true; |
| 62 |
} |
| 63 |
|
| 64 |
/** |
| 65 |
* Sanitize array by removing empty and/or duplicating values. |
| 66 |
* |
| 67 |
* @param array $array |
| 68 |
* |
| 69 |
* @return array |
| 70 |
*/ |
| 71 |
public static function sanitize_array( $array ) { |
| 72 |
$array = array_filter( $array ); |
| 73 |
$array = array_unique( $array ); |
| 74 |
|
| 75 |
return $array; |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* MD5 an array. |
| 80 |
* |
| 81 |
* @param array $array |
| 82 |
* |
| 83 |
* @return string |
| 84 |
*/ |
| 85 |
public static function array_to_md5( $array ) { |
| 86 |
settype( $array, 'array' ); |
| 87 |
ksort( $array ); |
| 88 |
|
| 89 |
return md5( serialize( $array ) ); |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Load posts from database into cache by ids |
| 94 |
* |
| 95 |
* @param array|int $ids |
| 96 |
* @Todo: tungnx - need to review code |
| 97 |
* @deprecated 4.1.6.9 |
| 98 |
*/ |
| 99 |
public static function cache_posts( $ids ) { |
| 100 |
//_deprecated_function( __FUNCTION__, '4.1.6.9' ); |
| 101 |
} |
| 102 |
|
| 103 |
/** |
| 104 |
* Sort an array by a field. |
| 105 |
* Having some issue with default PHP usort function. |
| 106 |
* |
| 107 |
* @param array $array . |
| 108 |
* @param string $field . |
| 109 |
* @param int $default . |
| 110 |
*/ |
| 111 |
public static function sort_by_priority( &$array, $field = 'priority', $default = 10 ) { |
| 112 |
foreach ( $array as $k => $item ) { |
| 113 |
if ( ! array_key_exists( $field, $item ) ) { |
| 114 |
$array[ $k ][ $field ] = $default; |
| 115 |
} |
| 116 |
} |
| 117 |
|
| 118 |
$priority = array_unique( wp_list_pluck( $array, $field ) ); |
| 119 |
sort( $priority ); |
| 120 |
$priority = array_fill_keys( $priority, array() ); |
| 121 |
|
| 122 |
foreach ( $array as $k => $item ) { |
| 123 |
$priority[ $item[ $field ] ][] = $item; |
| 124 |
} |
| 125 |
|
| 126 |
$sorted = array(); |
| 127 |
foreach ( $priority as $item ) { |
| 128 |
$sorted = array_merge( $sorted, $item ); |
| 129 |
} |
| 130 |
$array = $sorted; |
| 131 |
} |
| 132 |
|
| 133 |
/** |
| 134 |
* Merge two or more classes into one. |
| 135 |
* |
| 136 |
* @return array |
| 137 |
*/ |
| 138 |
public static function merge_class() { |
| 139 |
if ( func_num_args() == 1 ) { |
| 140 |
return func_get_arg( 0 ); |
| 141 |
} elseif ( func_num_args() == 0 ) { |
| 142 |
return null; |
| 143 |
} |
| 144 |
|
| 145 |
$classes = array(); |
| 146 |
foreach ( func_get_args() as $class ) { |
| 147 |
if ( is_string( $class ) ) { |
| 148 |
$cls = explode( ' ', $class ); |
| 149 |
$classes = array_merge( $classes, $cls ); |
| 150 |
} else { |
| 151 |
$classes = array_merge( $classes, $class ); |
| 152 |
} |
| 153 |
} |
| 154 |
|
| 155 |
$classes = array_filter( $classes ); |
| 156 |
$classes = array_unique( $classes ); |
| 157 |
|
| 158 |
return $classes; |
| 159 |
} |
| 160 |
|
| 161 |
/** |
| 162 |
* Sanitize order statuses. |
| 163 |
* Add prefix lp- into each status if it is not exists. |
| 164 |
* |
| 165 |
* @param $statuses |
| 166 |
* |
| 167 |
* @return array|mixed |
| 168 |
*/ |
| 169 |
public static function sanitize_order_status( &$statuses ) { |
| 170 |
if ( is_array( $statuses ) ) { |
| 171 |
foreach ( $statuses as $k => $status ) { |
| 172 |
if ( false === strpos( $status, 'lp-' ) ) { |
| 173 |
$statuses[ $k ] = "lp-{$status}"; |
| 174 |
} |
| 175 |
} |
| 176 |
} else { |
| 177 |
$statuses = preg_split( '#\s+#', $statuses ); |
| 178 |
self::sanitize_order_status( $statuses ); |
| 179 |
if ( sizeof( $statuses ) == 1 ) { |
| 180 |
$statuses = reset( $statuses ); |
| 181 |
} |
| 182 |
} |
| 183 |
|
| 184 |
return $statuses; |
| 185 |
} |
| 186 |
|
| 187 |
/** |
| 188 |
* Merge two arrays recursive. |
| 189 |
* |
| 190 |
* @param array $array1 |
| 191 |
* @param array $array2 |
| 192 |
* |
| 193 |
* @return array |
| 194 |
*/ |
| 195 |
public static function array_merge_recursive( &$array1, &$array2 ) { |
| 196 |
$merged = $array1; |
| 197 |
|
| 198 |
if ( is_array( $array1 ) && is_array( $array2 ) ) { |
| 199 |
foreach ( $array2 as $key => & $value ) { |
| 200 |
if ( is_array( $value ) && isset( $merged[ $key ] ) && is_array( $merged[ $key ] ) ) { |
| 201 |
$merged[ $key ] = self::array_merge_recursive( $merged[ $key ], $value ); |
| 202 |
} elseif ( is_numeric( $key ) ) { |
| 203 |
if ( ! in_array( $value, $merged ) ) { |
| 204 |
$merged[] = $value; |
| 205 |
} |
| 206 |
} else { |
| 207 |
$merged[ $key ] = $value; |
| 208 |
} |
| 209 |
} |
| 210 |
} elseif ( is_array( $array2 ) ) { |
| 211 |
$merged = $array2; |
| 212 |
} |
| 213 |
|
| 214 |
return $merged; |
| 215 |
} |
| 216 |
|
| 217 |
/** |
| 218 |
* Encode the object to json format. |
| 219 |
* Replace number, "false", "true" in couple of quotes with |
| 220 |
* original value. |
| 221 |
* Example: |
| 222 |
* Input: { |
| 223 |
* number: "1234", |
| 224 |
* true_value: "true", |
| 225 |
* false_value: "false" |
| 226 |
* } |
| 227 |
* Output: { |
| 228 |
* number: 1234, |
| 229 |
* true_value: true, |
| 230 |
* false_value: false |
| 231 |
* } |
| 232 |
* |
| 233 |
* @param array $data |
| 234 |
* |
| 235 |
* @return false|mixed|string |
| 236 |
*/ |
| 237 |
public static function json_encode( $data ) { |
| 238 |
$data = wp_json_encode( $data ); |
| 239 |
$data = preg_replace_callback( |
| 240 |
'~:"(([0-9]+)([.,]?)([0-9]?)|true|false)"~', |
| 241 |
array( |
| 242 |
__CLASS__, |
| 243 |
'_valid_json_value', |
| 244 |
), |
| 245 |
$data |
| 246 |
); |
| 247 |
|
| 248 |
return $data; |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* Callback function for json_encode method "json_encode". |
| 253 |
* |
| 254 |
* @param array $m |
| 255 |
* |
| 256 |
* @return string |
| 257 |
*/ |
| 258 |
public static function _valid_json_value( $m ) { |
| 259 |
return str_replace( array( ':"', '"' ), array( ':', '' ), $m[0] ); |
| 260 |
} |
| 261 |
|
| 262 |
/** |
| 263 |
* Create LP static page. |
| 264 |
* |
| 265 |
* @param string $name |
| 266 |
* @param string $assign_to - Optional. Assign to LP page after creating successful. |
| 267 |
* |
| 268 |
* @return bool|int|WP_Error |
| 269 |
*/ |
| 270 |
public static function create_page( $name, $assign_to = '' ) { |
| 271 |
$args = array( |
| 272 |
'post_type' => 'page', |
| 273 |
'post_title' => $name, |
| 274 |
'post_status' => 'publish', |
| 275 |
); |
| 276 |
|
| 277 |
$page_id = wp_insert_post( $args ); |
| 278 |
|
| 279 |
if ( ! $page_id ) { |
| 280 |
return false; |
| 281 |
} |
| 282 |
|
| 283 |
update_post_meta( $page_id, '_lp_page', 'yes' ); |
| 284 |
|
| 285 |
if ( $assign_to ) { |
| 286 |
$pages = learn_press_static_pages(); |
| 287 |
|
| 288 |
if ( ! empty( $pages[ $assign_to ] ) ) { |
| 289 |
update_option( "learn_press_{$assign_to}_page_id", $page_id ); |
| 290 |
|
| 291 |
// Update cache |
| 292 |
$page_ids = learn_press_static_page_ids(); |
| 293 |
$page_ids[ $assign_to ] = $page_id; |
| 294 |
LP_Object_Cache::set( 'static-page-ids', $page_ids, 'learnpress' ); |
| 295 |
} |
| 296 |
} |
| 297 |
|
| 298 |
return $page_id; |
| 299 |
} |
| 300 |
|
| 301 |
/** |
| 302 |
* Wrap function ksort of PHP itself and support recursive. |
| 303 |
* |
| 304 |
* @param array $array |
| 305 |
* @param int $sort_flags |
| 306 |
* |
| 307 |
* @return bool |
| 308 |
* @since 3.3.0 |
| 309 |
*/ |
| 310 |
public static function ksort( &$array, $sort_flags = SORT_REGULAR ) { |
| 311 |
if ( ! is_array( $array ) ) { |
| 312 |
return false; |
| 313 |
} |
| 314 |
|
| 315 |
ksort( $array, $sort_flags ); |
| 316 |
|
| 317 |
foreach ( $array as &$arr ) { |
| 318 |
self::ksort( $arr, $sort_flags ); |
| 319 |
} |
| 320 |
|
| 321 |
return true; |
| 322 |
} |
| 323 |
|
| 324 |
/** |
| 325 |
* Return new array/object with the keys exists in list of props. |
| 326 |
* |
| 327 |
* @param array|string $props |
| 328 |
* @param array|object $obj |
| 329 |
* |
| 330 |
* @return array|object |
| 331 |
*/ |
| 332 |
public function pick( $props, $obj ) { |
| 333 |
$is_array = is_array( $obj ); |
| 334 |
$new_array = array(); |
| 335 |
settype( $props, 'array' ); |
| 336 |
|
| 337 |
foreach ( $props as $prop ) { |
| 338 |
if ( $is_array && array_key_exists( $prop, $obj ) ) { |
| 339 |
$new_array[ $prop ] = $obj[ $prop ]; |
| 340 |
} elseif ( ! $is_array && property_exists( $obj, $prop ) ) { |
| 341 |
$new_array[ $prop ] = $obj->{$prop}; |
| 342 |
} |
| 343 |
} |
| 344 |
|
| 345 |
return $is_array ? $new_array : (object) $new_array; |
| 346 |
} |
| 347 |
|
| 348 |
public static function list_pluck( $list, $field, $index_key = null ) { |
| 349 |
$newlist = array(); |
| 350 |
|
| 351 |
if ( ! $index_key ) { |
| 352 |
/* |
| 353 |
* This is simple. Could at some point wrap array_column() |
| 354 |
* if we knew we had an array of arrays. |
| 355 |
*/ |
| 356 |
foreach ( $list as $key => $value ) { |
| 357 |
if ( is_callable( array( $value, $field ) ) ) { |
| 358 |
$newlist[ $key ] = call_user_func( array( $value, $field ) ); |
| 359 |
} elseif ( is_object( $value ) ) { |
| 360 |
$newlist[ $key ] = $value->$field; |
| 361 |
} else { |
| 362 |
$newlist[ $key ] = $value[ $field ]; |
| 363 |
} |
| 364 |
} |
| 365 |
|
| 366 |
return $newlist; |
| 367 |
} |
| 368 |
|
| 369 |
/* |
| 370 |
* When index_key is not set for a particular item, push the value |
| 371 |
* to the end of the stack. This is how array_column() behaves. |
| 372 |
*/ |
| 373 |
foreach ( $list as $value ) { |
| 374 |
if ( is_callable( array( $value, $field ) ) ) { |
| 375 |
if ( isset( $value->$index_key ) ) { |
| 376 |
$newlist[ $value->$index_key ] = call_user_func( array( $value, $field ) ); |
| 377 |
} else { |
| 378 |
$newlist[] = call_user_func( array( $value, $field ) ); |
| 379 |
} |
| 380 |
} elseif ( is_object( $value ) ) { |
| 381 |
if ( isset( $value->$index_key ) ) { |
| 382 |
$newlist[ $value->$index_key ] = $value->$field; |
| 383 |
} else { |
| 384 |
$newlist[] = $value->$field; |
| 385 |
} |
| 386 |
} else { |
| 387 |
if ( isset( $value[ $index_key ] ) ) { |
| 388 |
$newlist[ $value[ $index_key ] ] = $value[ $field ]; |
| 389 |
} else { |
| 390 |
$newlist[] = $value[ $field ]; |
| 391 |
} |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
return $newlist; |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Get the current url |
| 400 |
* |
| 401 |
* @return string |
| 402 |
* @since 3.2.6.8 |
| 403 |
* @author tungnx |
| 404 |
*/ |
| 405 |
public static function getUrlCurrent(): string { |
| 406 |
$schema = is_ssl() ? 'https://' : 'http://'; |
| 407 |
$http_host = LP_Helper::sanitize_params_submitted( filter_input( INPUT_SERVER, 'HTTP_HOST' ) ?? '' ); |
| 408 |
$request_uri = LP_Helper::sanitize_params_submitted( filter_input( INPUT_SERVER, 'REQUEST_URI' ) ?? '' ); |
| 409 |
|
| 410 |
return $schema . untrailingslashit( esc_url_raw( $http_host . $request_uri ) ); |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* Check request is rest api |
| 415 |
* |
| 416 |
* @since 4.1.6.6 |
| 417 |
* @author tungnx |
| 418 |
* @return bool|int |
| 419 |
*/ |
| 420 |
public static function isRestApiLP() { |
| 421 |
return strpos( self::getUrlCurrent(), '/wp-json/lp/' ); |
| 422 |
} |
| 423 |
|
| 424 |
/** |
| 425 |
* Sanitize string and array |
| 426 |
* |
| 427 |
* @param array|string $value |
| 428 |
* @param string $type_content |
| 429 |
* |
| 430 |
* @return array|string |
| 431 |
* @since 3.2.7.1 |
| 432 |
* @author tungnx |
| 433 |
*/ |
| 434 |
public static function sanitize_params_submitted( $value, string $type_content = 'text' ) { |
| 435 |
$value = wp_unslash( $value ); |
| 436 |
|
| 437 |
if ( is_string( $value ) ) { |
| 438 |
switch ( $type_content ) { |
| 439 |
case 'html': |
| 440 |
$value = wp_kses_post( $value ); |
| 441 |
break; |
| 442 |
case 'textarea': |
| 443 |
$value = sanitize_textarea_field( $value ); |
| 444 |
break; |
| 445 |
case 'key': |
| 446 |
$value = sanitize_key( $value ); |
| 447 |
break; |
| 448 |
case 'int': |
| 449 |
$value = (int) $value; |
| 450 |
break; |
| 451 |
case 'float': |
| 452 |
$value = (float) $value; |
| 453 |
break; |
| 454 |
default: |
| 455 |
$value = sanitize_text_field( $value ); |
| 456 |
} |
| 457 |
} elseif ( is_array( $value ) ) { |
| 458 |
foreach ( $value as $k => $v ) { |
| 459 |
$value[ $k ] = self::sanitize_params_submitted( $v, $type_content ); |
| 460 |
} |
| 461 |
} |
| 462 |
|
| 463 |
return $value; |
| 464 |
} |
| 465 |
|
| 466 |
/** |
| 467 |
* Get wp file system |
| 468 |
* |
| 469 |
* @return mixed |
| 470 |
*/ |
| 471 |
public static function get_wp_filesystem() { |
| 472 |
global $wp_filesystem; |
| 473 |
|
| 474 |
if ( empty( $wp_filesystem ) ) { |
| 475 |
require_once( ABSPATH . '/wp-admin/includes/file.php' ); |
| 476 |
WP_Filesystem(); |
| 477 |
} |
| 478 |
|
| 479 |
return $wp_filesystem; |
| 480 |
} |
| 481 |
|
| 482 |
/** |
| 483 |
* Wrap function $wpdb->prepare(...) to support arguments as |
| 484 |
* array. |
| 485 |
* |
| 486 |
* @param string $query |
| 487 |
* @param array|mixed $args |
| 488 |
* |
| 489 |
* @return string |
| 490 |
* @example |
| 491 |
* |
| 492 |
* $this->prepare($sql, $one, $two, array($three, $four, $file)) |
| 493 |
* => $wpdb->prepare($sql, $one, $two, $three, $four, $file) |
| 494 |
*/ |
| 495 |
public static function prepare( $query, $args ) { |
| 496 |
global $wpdb; |
| 497 |
|
| 498 |
$args = func_get_args(); |
| 499 |
array_shift( $args ); |
| 500 |
$new_args = array(); |
| 501 |
|
| 502 |
foreach ( $args as $arg ) { |
| 503 |
if ( is_array( $arg ) ) { |
| 504 |
$new_args = array_merge( $new_args, $arg ); |
| 505 |
} else { |
| 506 |
$new_args[] = $arg; |
| 507 |
} |
| 508 |
} |
| 509 |
|
| 510 |
return $wpdb->prepare( $query, $new_args ); |
| 511 |
} |
| 512 |
|
| 513 |
public static function db_format_array( array $arr, string $format = '%d' ): string { |
| 514 |
$arr_formatted = array_fill( 0, sizeof( $arr ), $format ); |
| 515 |
|
| 516 |
return join( ',', $arr_formatted ); |
| 517 |
} |
| 518 |
|
| 519 |
/** |
| 520 |
* Calculate percent of progress rows on db |
| 521 |
* |
| 522 |
* @param int $offset . |
| 523 |
* @param int $limit . |
| 524 |
* @param int $total_row . |
| 525 |
* |
| 526 |
* @return float |
| 527 |
*/ |
| 528 |
public static function progress_percent( int $offset, int $limit, int $total_row ): float { |
| 529 |
if ( $total_row <= 0 ) { |
| 530 |
return 0; |
| 531 |
} |
| 532 |
|
| 533 |
$percent = ( $offset + $limit ) * 100 / $total_row; |
| 534 |
|
| 535 |
$percent = $percent > 100 ? 100 : $percent; |
| 536 |
|
| 537 |
return floatval( number_format( $percent, 2 ) ); |
| 538 |
} |
| 539 |
|
| 540 |
/** |
| 541 |
* Convert array to string |
| 542 |
* Ex: array("publish", "pending") to post_status IN(%s, %s) |
| 543 |
* |
| 544 |
* @param array $arr |
| 545 |
* |
| 546 |
* @return string |
| 547 |
*/ |
| 548 |
public static function format_query_IN( array $arr ): string { |
| 549 |
$format = array_fill( 0, count( $arr ), '%s' ); |
| 550 |
|
| 551 |
return join( ',', $format ); |
| 552 |
} |
| 553 |
|
| 554 |
/** |
| 555 |
* Get link lp checkout page |
| 556 |
* without cache - because some cache(redis) will cache page with user anonymous |
| 557 |
*/ |
| 558 |
public static function get_link_no_cache( string $link ): string { |
| 559 |
return esc_url_raw( add_query_arg( 'no-cache', uniqid(), $link ) ); |
| 560 |
} |
| 561 |
|
| 562 |
/** |
| 563 |
* Check string is json |
| 564 |
* |
| 565 |
* @param string $str |
| 566 |
* |
| 567 |
* @return bool |
| 568 |
*/ |
| 569 |
public static function is_json( string $str ): bool { |
| 570 |
json_decode( $str ); |
| 571 |
return json_last_error() === JSON_ERROR_NONE; |
| 572 |
} |
| 573 |
} |
| 574 |
|
