| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Class LP_Helper |
| 5 |
*/ |
| 6 |
|
| 7 |
use LearnPress\Helpers\Template; |
| 8 |
|
| 9 |
defined( 'ABSPATH' ) || exit; |
| 10 |
|
| 11 |
class LP_Helper { |
| 12 |
|
| 13 |
/** |
| 14 |
* Wrap function unserialize to fix issues with UTF-8 chars when encoding/decoding |
| 15 |
* of serialize function. |
| 16 |
* |
| 17 |
* @param string $string |
| 18 |
* |
| 19 |
* @return mixed |
| 20 |
*/ |
| 21 |
public static function maybe_unserialize( $string ) { |
| 22 |
if ( is_string( $string ) ) { |
| 23 |
|
| 24 |
$unserialized = maybe_unserialize( $string ); |
| 25 |
if ( ! $unserialized && strlen( $string ) ) { |
| 26 |
$string = preg_replace_callback( |
| 27 |
'!s:(\d+):"(.*?)";!s', |
| 28 |
array( __CLASS__, '_unserialize_replace_callback' ), |
| 29 |
$string |
| 30 |
); |
| 31 |
|
| 32 |
$unserialized = maybe_unserialize( $string ); |
| 33 |
} |
| 34 |
|
| 35 |
$string = $unserialized; |
| 36 |
} |
| 37 |
|
| 38 |
return $string; |
| 39 |
} |
| 40 |
|
| 41 |
public static function _unserialize_replace_callback( $m ) { |
| 42 |
$len = strlen( $m[2] ); |
| 43 |
$result = "s:$len:\"{$m[2]}\";"; |
| 44 |
|
| 45 |
return $result; |
| 46 |
} |
| 47 |
|
| 48 |
/** |
| 49 |
* Shuffle array and keep the keys |
| 50 |
* |
| 51 |
* @param array $array |
| 52 |
* |
| 53 |
* @return bool |
| 54 |
*/ |
| 55 |
public static function shuffle_assoc( &$array ) { |
| 56 |
$keys = array_keys( $array ); |
| 57 |
shuffle( $keys ); |
| 58 |
$new = array(); |
| 59 |
foreach ( $keys as $key ) { |
| 60 |
$new[ $key ] = $array[ $key ]; |
| 61 |
} |
| 62 |
$array = $new; |
| 63 |
|
| 64 |
return true; |
| 65 |
} |
| 66 |
|
| 67 |
/** |
| 68 |
* MD5 an array. |
| 69 |
* |
| 70 |
* @param array $array |
| 71 |
* |
| 72 |
* @return string |
| 73 |
*/ |
| 74 |
public static function array_to_md5( $array ) { |
| 75 |
settype( $array, 'array' ); |
| 76 |
ksort( $array ); |
| 77 |
|
| 78 |
return md5( serialize( $array ) ); |
| 79 |
} |
| 80 |
|
| 81 |
/** |
| 82 |
* Load posts from database into cache by ids |
| 83 |
* |
| 84 |
* @param array|int $ids |
| 85 |
* |
| 86 |
* @Todo: tungnx - need to review code - addon h5p v4.0.3 still use |
| 87 |
* @deprecated 4.1.6.9 |
| 88 |
*/ |
| 89 |
public static function cache_posts( $ids ) { |
| 90 |
//_deprecated_function( __FUNCTION__, '4.1.6.9' ); |
| 91 |
} |
| 92 |
|
| 93 |
/** |
| 94 |
* Merge two or more classes into one. |
| 95 |
* |
| 96 |
* @return array |
| 97 |
*/ |
| 98 |
public static function merge_class() { |
| 99 |
if ( func_num_args() == 1 ) { |
| 100 |
return func_get_arg( 0 ); |
| 101 |
} elseif ( func_num_args() == 0 ) { |
| 102 |
return null; |
| 103 |
} |
| 104 |
|
| 105 |
$classes = array(); |
| 106 |
foreach ( func_get_args() as $class ) { |
| 107 |
if ( is_string( $class ) ) { |
| 108 |
$cls = explode( ' ', $class ); |
| 109 |
$classes = array_merge( $classes, $cls ); |
| 110 |
} else { |
| 111 |
$classes = array_merge( $classes, $class ); |
| 112 |
} |
| 113 |
} |
| 114 |
|
| 115 |
$classes = array_filter( $classes ); |
| 116 |
$classes = array_unique( $classes ); |
| 117 |
|
| 118 |
return $classes; |
| 119 |
} |
| 120 |
|
| 121 |
/** |
| 122 |
* Sanitize order statuses. |
| 123 |
* Add prefix lp- into each status if it is not exists. |
| 124 |
* |
| 125 |
* @param $statuses |
| 126 |
* |
| 127 |
* @return array|mixed |
| 128 |
*/ |
| 129 |
public static function sanitize_order_status( &$statuses ) { |
| 130 |
if ( is_array( $statuses ) ) { |
| 131 |
foreach ( $statuses as $k => $status ) { |
| 132 |
if ( false === strpos( $status, 'lp-' ) ) { |
| 133 |
$statuses[ $k ] = "lp-{$status}"; |
| 134 |
} |
| 135 |
} |
| 136 |
} else { |
| 137 |
$statuses = preg_split( '#\s+#', $statuses ); |
| 138 |
self::sanitize_order_status( $statuses ); |
| 139 |
if ( sizeof( $statuses ) == 1 ) { |
| 140 |
$statuses = reset( $statuses ); |
| 141 |
} |
| 142 |
} |
| 143 |
|
| 144 |
return $statuses; |
| 145 |
} |
| 146 |
|
| 147 |
/** |
| 148 |
* Merge two arrays recursive. |
| 149 |
* |
| 150 |
* @param array $array1 |
| 151 |
* @param array $array2 |
| 152 |
* |
| 153 |
* @return array |
| 154 |
*/ |
| 155 |
public static function array_merge_recursive( &$array1, &$array2 ) { |
| 156 |
$merged = $array1; |
| 157 |
|
| 158 |
if ( is_array( $array1 ) && is_array( $array2 ) ) { |
| 159 |
foreach ( $array2 as $key => & $value ) { |
| 160 |
if ( is_array( $value ) && isset( $merged[ $key ] ) && is_array( $merged[ $key ] ) ) { |
| 161 |
$merged[ $key ] = self::array_merge_recursive( $merged[ $key ], $value ); |
| 162 |
} elseif ( is_numeric( $key ) ) { |
| 163 |
if ( ! in_array( $value, $merged ) ) { |
| 164 |
$merged[] = $value; |
| 165 |
} |
| 166 |
} else { |
| 167 |
$merged[ $key ] = $value; |
| 168 |
} |
| 169 |
} |
| 170 |
} elseif ( is_array( $array2 ) ) { |
| 171 |
$merged = $array2; |
| 172 |
} |
| 173 |
|
| 174 |
return $merged; |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* Encode the object to json format. |
| 179 |
* Replace number, "false", "true" in couple of quotes with |
| 180 |
* original value. |
| 181 |
* Example: |
| 182 |
* Input: { |
| 183 |
* number: "1234", |
| 184 |
* true_value: "true", |
| 185 |
* false_value: "false" |
| 186 |
* } |
| 187 |
* Output: { |
| 188 |
* number: 1234, |
| 189 |
* true_value: true, |
| 190 |
* false_value: false |
| 191 |
* } |
| 192 |
* |
| 193 |
* @param array $data |
| 194 |
* |
| 195 |
* @return false|mixed|string |
| 196 |
*/ |
| 197 |
public static function json_encode( $data ) { |
| 198 |
$data = wp_json_encode( $data ); |
| 199 |
$data = preg_replace_callback( |
| 200 |
'~:"(([0-9]+)([.,]?)([0-9]?)|true|false)"~', |
| 201 |
array( |
| 202 |
__CLASS__, |
| 203 |
'_valid_json_value', |
| 204 |
), |
| 205 |
$data |
| 206 |
); |
| 207 |
|
| 208 |
return $data; |
| 209 |
} |
| 210 |
|
| 211 |
/** |
| 212 |
* Callback function for json_encode method "json_encode". |
| 213 |
* |
| 214 |
* @param array $m |
| 215 |
* |
| 216 |
* @return string |
| 217 |
*/ |
| 218 |
public static function _valid_json_value( $m ) { |
| 219 |
return str_replace( array( ':"', '"' ), array( ':', '' ), $m[0] ); |
| 220 |
} |
| 221 |
|
| 222 |
/** |
| 223 |
* Create LP static page. |
| 224 |
* |
| 225 |
* @param array $args |
| 226 |
* @param string $key_option |
| 227 |
* |
| 228 |
* @return bool|int|WP_Error |
| 229 |
*/ |
| 230 |
public static function create_page( array $args, string $key_option ) { |
| 231 |
$page_id = 0; |
| 232 |
|
| 233 |
try { |
| 234 |
if ( ! isset( $args['post_title'] ) ) { |
| 235 |
throw new Exception( __( 'Missing post title', 'learnpress' ) ); |
| 236 |
} |
| 237 |
|
| 238 |
if ( preg_match( '#^learn_press_single_instructor_page_id.*#', $key_option ) ) { |
| 239 |
$args['post_content'] = '<!-- wp:shortcode -->[learn_press_single_instructor]<!-- /wp:shortcode -->'; |
| 240 |
} elseif ( preg_match( '#^learn_press_instructors_page_id.*#', $key_option ) ) { |
| 241 |
$args['post_content'] = '<!-- wp:shortcode -->[learn_press_instructors]<!-- /wp:shortcode -->'; |
| 242 |
} elseif ( preg_match( '#^learn_press_profile_page_id.*#', $key_option ) ) { |
| 243 |
$args['post_content'] = '<!-- wp:shortcode -->[learn_press_profile]<!-- /wp:shortcode -->'; |
| 244 |
} |
| 245 |
|
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$args = array_merge( |
| 247 |
[ |
| 248 |
'post_title' => '', |
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'post_name' => '', |
| 250 |
'post_status' => 'publish', |
| 251 |
'post_type' => 'page', |
| 252 |
'comment_status' => 'closed', |
| 253 |
'post_content' => '', |
| 254 |
'post_author' => get_current_user_id(), |
| 255 |
], |
| 256 |
$args |
| 257 |
); |
| 258 |
|
| 259 |
$page_id = wp_insert_post( $args ); |
| 260 |
if ( ! $page_id ) { |
| 261 |
return false; |
| 262 |
} |
| 263 |
|
| 264 |
update_option( $key_option, $page_id ); |
| 265 |
$lp_settings_cache = new LP_Settings_Cache( true ); |
| 266 |
$lp_settings_cache->clean_lp_settings(); |
| 267 |
} catch ( Throwable $e ) { |
| 268 |
error_log( __METHOD__ . ': ' . $e->getMessage() ); |
| 269 |
} |
| 270 |
|
| 271 |
return $page_id; |
| 272 |
} |
| 273 |
|
| 274 |
/** |
| 275 |
* Get the current url |
| 276 |
* |
| 277 |
* @return string |
| 278 |
* @since 3.2.6.8 |
| 279 |
* @author tungnx |
| 280 |
*/ |
| 281 |
public static function getUrlCurrent(): string { |
| 282 |
$schema = is_ssl() ? 'https://' : 'http://'; |
| 283 |
$http_host = LP_Helper::sanitize_params_submitted( urldecode( $_SERVER['HTTP_HOST'] ?? '' ) ); |
| 284 |
$request_uri = LP_Helper::sanitize_params_submitted( urldecode( $_SERVER['REQUEST_URI'] ?? '' ) ); |
| 285 |
//$http_host = LP_Helper::sanitize_params_submitted( filter_input( INPUT_SERVER, 'HTTP_HOST' ) ?? '' ); |
| 286 |
//$request_uri = LP_Helper::sanitize_params_submitted( filter_input( INPUT_SERVER, 'REQUEST_URI' ) ?? '' ); |
| 287 |
|
| 288 |
return untrailingslashit( $schema . $http_host . $request_uri ); |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* Check request is rest api |
| 293 |
* |
| 294 |
* @return bool |
| 295 |
* @author tungnx |
| 296 |
* @since 4.1.6.6 |
| 297 |
*/ |
| 298 |
public static function isRestApiLP(): bool { |
| 299 |
$restPrefix = '/' . rest_get_url_prefix(); |
| 300 |
return strpos( self::getUrlCurrent(), $restPrefix . '/lp/' ) || strpos( self::getUrlCurrent(), $restPrefix . '/learnpress/' ); |
| 301 |
} |
| 302 |
|
| 303 |
/** |
| 304 |
* Sanitize string and array |
| 305 |
* |
| 306 |
* @param array|string $value |
| 307 |
* @param string $type_content |
| 308 |
* @param bool $unslash Set it is false when you don’t want to remove slashes (unslash) from $value |
| 309 |
* for example, in cases involving LaTeX math syntax. |
| 310 |
* @return array|string |
| 311 |
* @since 3.2.7.1 |
| 312 |
* @author tungnx |
| 313 |
*/ |
| 314 |
public static function sanitize_params_submitted( $value, string $type_content = 'text', $unslash = true ) { |
| 315 |
$value = $unslash ? wp_unslash( $value ) : $value; |
| 316 |
|
| 317 |
if ( is_string( $value ) ) { |
| 318 |
switch ( $type_content ) { |
| 319 |
case 'html': |
| 320 |
$value = Template::sanitize_html_content( $value ); |
| 321 |
break; |
| 322 |
case 'textarea': |
| 323 |
$value = sanitize_textarea_field( $value ); |
| 324 |
break; |
| 325 |
case 'key': |
| 326 |
$value = sanitize_key( $value ); |
| 327 |
break; |
| 328 |
case 'int': |
| 329 |
$value = (int) $value; |
| 330 |
break; |
| 331 |
case 'float': |
| 332 |
$value = (float) $value; |
| 333 |
break; |
| 334 |
default: |
| 335 |
if ( is_callable( $type_content ) ) { |
| 336 |
$value = call_user_func( $type_content, $value ); |
| 337 |
} else { |
| 338 |
$value = sanitize_text_field( $value ); |
| 339 |
} |
| 340 |
} |
| 341 |
} elseif ( is_array( $value ) ) { |
| 342 |
foreach ( $value as $k => $v ) { |
| 343 |
unset( $value[ $k ] ); |
| 344 |
$value[ sanitize_text_field( $k ) ] = self::sanitize_params_submitted( $v, $type_content, $unslash ); |
| 345 |
} |
| 346 |
} |
| 347 |
|
| 348 |
return $value; |
| 349 |
} |
| 350 |
|
| 351 |
public static function db_format_array( array $arr, string $format = '%d' ): string { |
| 352 |
$arr_formatted = array_fill( 0, sizeof( $arr ), $format ); |
| 353 |
|
| 354 |
return join( ',', $arr_formatted ); |
| 355 |
} |
| 356 |
|
| 357 |
/** |
| 358 |
* Calculate percent of progress rows on db |
| 359 |
* |
| 360 |
* @param int $offset . |
| 361 |
* @param int $limit . |
| 362 |
* @param int $total_row . |
| 363 |
* |
| 364 |
* @return float |
| 365 |
*/ |
| 366 |
public static function progress_percent( int $offset, int $limit, int $total_row ): float { |
| 367 |
if ( $total_row <= 0 ) { |
| 368 |
return 0; |
| 369 |
} |
| 370 |
|
| 371 |
$percent = ( $offset + $limit ) * 100 / $total_row; |
| 372 |
|
| 373 |
$percent = min( $percent, 100 ); |
| 374 |
|
| 375 |
return floatval( number_format( $percent, 2 ) ); |
| 376 |
} |
| 377 |
|
| 378 |
/** |
| 379 |
* Convert array to string |
| 380 |
* Ex: array("publish", "pending") to post_status IN(%s, %s) |
| 381 |
* |
| 382 |
* @param array $arr |
| 383 |
* |
| 384 |
* @return string |
| 385 |
*/ |
| 386 |
public static function format_query_IN( array $arr ): string { |
| 387 |
$format = array_fill( 0, count( $arr ), '%s' ); |
| 388 |
|
| 389 |
return join( ',', $format ); |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Get link lp checkout page |
| 394 |
* without cache - because some cache(redis) will cache page with user anonymous |
| 395 |
*/ |
| 396 |
public static function get_link_no_cache( string $link ): string { |
| 397 |
return esc_url_raw( add_query_arg( 'no-cache', uniqid(), $link ) ); |
| 398 |
} |
| 399 |
|
| 400 |
/** |
| 401 |
* Check string is json |
| 402 |
* |
| 403 |
* @param string $str |
| 404 |
* @param null $associative |
| 405 |
* |
| 406 |
* @return mixed |
| 407 |
* @throws Exception |
| 408 |
* @since 4.1.6.4 |
| 409 |
* @version 1.0.1 |
| 410 |
*/ |
| 411 |
public static function json_decode( string $str, $associative = null ) { |
| 412 |
$obj = json_decode( $str, $associative ); |
| 413 |
if ( json_last_error() !== JSON_ERROR_NONE ) { |
| 414 |
throw new Exception( 'JSON decode: ' . json_last_error_msg() ); |
| 415 |
} |
| 416 |
|
| 417 |
return $obj; |
| 418 |
} |
| 419 |
|
| 420 |
/** |
| 421 |
* Handle permalink structure for LP |
| 422 |
* |
| 423 |
* @return string |
| 424 |
* @since 4.2.2 |
| 425 |
* @version 1.0.4 |
| 426 |
*/ |
| 427 |
public static function handle_lp_permalink_structure( $post_link, $post ) { |
| 428 |
if ( false === strpos( $post_link, '%' ) ) { |
| 429 |
return $post_link; |
| 430 |
} |
| 431 |
|
| 432 |
$find = []; |
| 433 |
$replace = []; |
| 434 |
if ( ! empty( $post->post_date_gmt ) ) { |
| 435 |
$find = array( |
| 436 |
'%year%', |
| 437 |
'%monthnum%', |
| 438 |
'%day%', |
| 439 |
'%hour%', |
| 440 |
'%minute%', |
| 441 |
'%second%', |
| 442 |
'%post_id%', |
| 443 |
); |
| 444 |
|
| 445 |
$time = strtotime( $post->post_date_gmt ); |
| 446 |
|
| 447 |
$replace = array( |
| 448 |
date_i18n( 'Y', $time ), |
| 449 |
date_i18n( 'm', $time ), |
| 450 |
date_i18n( 'd', $time ), |
| 451 |
date_i18n( 'H', $time ), |
| 452 |
date_i18n( 'i', $time ), |
| 453 |
date_i18n( 's', $time ), |
| 454 |
$post->ID, |
| 455 |
); |
| 456 |
} |
| 457 |
|
| 458 |
if ( strpos( $post_link, '%course_category%' ) && get_post_type( $post ) === LP_COURSE_CPT ) { |
| 459 |
// Get the custom taxonomy terms in use by this post |
| 460 |
$terms = get_the_terms( $post->ID, 'course_category' ); |
| 461 |
|
| 462 |
if ( ! empty( $terms ) ) { |
| 463 |
$terms = wp_list_sort( $terms, 'term_id' ); |
| 464 |
// order by IDF |
| 465 |
$category_object = apply_filters( |
| 466 |
'learn_press_course_post_type_link_course_category', |
| 467 |
$terms[0], |
| 468 |
$terms, |
| 469 |
$post |
| 470 |
); |
| 471 |
$category_object = get_term( $category_object, 'course_category' ); |
| 472 |
if ( ! $category_object instanceof WP_Term ) { |
| 473 |
return $post_link; |
| 474 |
} |
| 475 |
|
| 476 |
$course_category = $category_object->slug; |
| 477 |
$parent = $category_object->parent; |
| 478 |
if ( $parent ) { |
| 479 |
$ancestors = get_ancestors( $category_object->term_id, 'course_category' ); |
| 480 |
foreach ( $ancestors as $ancestor ) { |
| 481 |
$ancestor_object = get_term( $ancestor, 'course_category' ); |
| 482 |
if ( $ancestor_object instanceof WP_Term ) { |
| 483 |
$course_category = $ancestor_object->slug . '/' . $course_category; |
| 484 |
} |
| 485 |
} |
| 486 |
} |
| 487 |
} else { |
| 488 |
// If no terms are assigned to this post, use a string instead (can't leave the placeholder there) |
| 489 |
$course_category = _x( 'uncategorized', 'slug', 'learnpress' ); |
| 490 |
} |
| 491 |
|
| 492 |
$find[] = '%course_category%'; |
| 493 |
$replace[] = urldecode( $course_category ); |
| 494 |
} |
| 495 |
|
| 496 |
return apply_filters( |
| 497 |
'learn-press/single-course/permalink', |
| 498 |
str_replace( $find, $replace, $post_link ), |
| 499 |
$post |
| 500 |
); |
| 501 |
} |
| 502 |
|
| 503 |
/** |
| 504 |
* Print variable script inline script tag. |
| 505 |
* If $name_variable_script is empty, |
| 506 |
* the script will be print as json with set $tag_args['type'] = application/json. |
| 507 |
* |
| 508 |
* @param string $name_variable_script |
| 509 |
* @param array $data |
| 510 |
* @param array $tag_args as ['type' => 'text/javascript', 'id' => ''] |
| 511 |
* |
| 512 |
* @return void |
| 513 |
* @version 1.0.1 |
| 514 |
* @since 4.2.5.5 |
| 515 |
*/ |
| 516 |
public static function print_inline_script_tag( string $name_variable_script, array $data, array $tag_args = [] ) { |
| 517 |
foreach ( $data as $key => $value ) { |
| 518 |
if ( ! is_scalar( $value ) ) { |
| 519 |
continue; |
| 520 |
} |
| 521 |
|
| 522 |
$data[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' ); |
| 523 |
} |
| 524 |
|
| 525 |
$data_json = wp_json_encode( $data ); |
| 526 |
$script = ''; |
| 527 |
if ( ! empty( $name_variable_script ) ) { |
| 528 |
$script = "var {$name_variable_script} = {$data_json};"; |
| 529 |
} elseif ( isset( $tag_args['type'] ) && $tag_args['type'] === 'application/json' ) { |
| 530 |
$script = $data_json; |
| 531 |
} |
| 532 |
wp_print_inline_script_tag( $script, $tag_args ); |
| 533 |
} |
| 534 |
|
| 535 |
/** |
| 536 |
* Get translation string single/plural |
| 537 |
* |
| 538 |
* @param float $number |
| 539 |
* @param string $string_value |
| 540 |
* @param bool $include_number |
| 541 |
* |
| 542 |
* @return string |
| 543 |
* @since 4.2.7.4 |
| 544 |
* @version 1.0.0 |
| 545 |
*/ |
| 546 |
public static function get_i18n_string_plural( float $number, string $string_value = '', bool $include_number = true ): string { |
| 547 |
switch ( $string_value ) { |
| 548 |
case LP_COURSE_CPT: |
| 549 |
$plural = sprintf( |
| 550 |
_n( 'Course', 'Courses', $number, 'learnpress' ), |
| 551 |
$number |
| 552 |
); |
| 553 |
break; |
| 554 |
case LP_LESSON_CPT: |
| 555 |
$plural = sprintf( |
| 556 |
_n( 'Lesson', 'Lessons', $number, 'learnpress' ), |
| 557 |
$number |
| 558 |
); |
| 559 |
break; |
| 560 |
case LP_QUIZ_CPT: |
| 561 |
$plural = sprintf( |
| 562 |
_n( 'Quiz', 'Quizzes', $number, 'learnpress' ), |
| 563 |
$number |
| 564 |
); |
| 565 |
break; |
| 566 |
case LP_QUESTION_CPT: |
| 567 |
$plural = sprintf( |
| 568 |
_n( 'Question', 'Questions', $number, 'learnpress' ), |
| 569 |
$number |
| 570 |
); |
| 571 |
break; |
| 572 |
case 'lp_assignment': |
| 573 |
$plural = sprintf( |
| 574 |
_n( 'Assignment', 'Assignments', $number, 'learnpress' ), |
| 575 |
$number |
| 576 |
); |
| 577 |
break; |
| 578 |
case 'lp_h5p': |
| 579 |
$plural = sprintf( |
| 580 |
_n( 'H5P', 'H5Ps', $number, 'learnpress' ), |
| 581 |
$number |
| 582 |
); |
| 583 |
break; |
| 584 |
default: |
| 585 |
$plural = $string_value; |
| 586 |
break; |
| 587 |
} |
| 588 |
|
| 589 |
if ( $include_number ) { |
| 590 |
$plural = sprintf( '%s %s', $number, $plural ); |
| 591 |
} |
| 592 |
|
| 593 |
return apply_filters( 'learn-press/i18n/plural', $plural, $number, $string_value, $include_number ); |
| 594 |
} |
| 595 |
|
| 596 |
/** |
| 597 |
* Get client ip address |
| 598 |
* |
| 599 |
* @return mixed|string |
| 600 |
* @since 4.2.7.9 |
| 601 |
* @version 1.0.0 |
| 602 |
*/ |
| 603 |
public static function get_client_ip(): string { |
| 604 |
$ipaddress = 'ip-unknown'; |
| 605 |
if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) { |
| 606 |
$ipaddress = $_SERVER['HTTP_CLIENT_IP']; |
| 607 |
} elseif ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) { |
| 608 |
$ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR']; |
| 609 |
} elseif ( isset( $_SERVER['HTTP_X_FORWARDED'] ) ) { |
| 610 |
$ipaddress = $_SERVER['HTTP_X_FORWARDED']; |
| 611 |
} elseif ( isset( $_SERVER['HTTP_FORWARDED_FOR'] ) ) { |
| 612 |
$ipaddress = $_SERVER['HTTP_FORWARDED_FOR']; |
| 613 |
} elseif ( isset( $_SERVER['HTTP_FORWARDED'] ) ) { |
| 614 |
$ipaddress = $_SERVER['HTTP_FORWARDED']; |
| 615 |
} elseif ( isset( $_SERVER['REMOTE_ADDR'] ) ) { |
| 616 |
$ipaddress = $_SERVER['REMOTE_ADDR']; |
| 617 |
} |
| 618 |
|
| 619 |
$ipaddress = (string) $ipaddress; |
| 620 |
$ipaddress = 'gip-' . $ipaddress; |
| 621 |
|
| 622 |
return $ipaddress; |
| 623 |
} |
| 624 |
} |
| 625 |
|
