functions.php — WP All Import – Drag & Drop Import for CSV, XML, Excel & Google Sheets 4.1.1

wp-all-import / helpers / functions.php

wp-all-import / helpers Last commit date

functions.php

596 lines

1	<?php
2	// phpcs:disable WordPress.NamingConventions.PrefixAllGlobals
3	if ( ! defined( 'ABSPATH' ) ) exit;
4	if( !function_exists('wpai_wp_enqueue_code_editor')){
5	function wpai_wp_enqueue_code_editor( $args ) {
6
7	// We need syntax highlighting to work in the plugin regardless of user setting.
8	// Function matches https://developer.wordpress.org/reference/functions/wp_enqueue_code_editor/ otherwise.
9	/*if ( is_user_logged_in() && 'false' === wp_get_current_user()->syntax_highlighting ) {
10	return false;
11	}*/
12
13	$settings = wp_get_code_editor_settings( $args );
14
15	if ( empty( $settings ) \|\| empty( $settings['codemirror'] ) ) {
16	return false;
17	}
18
19	wp_enqueue_script( 'code-editor' );
20	wp_enqueue_style( 'code-editor' );
21
22	if ( isset( $settings['codemirror']['mode'] ) ) {
23	$mode = $settings['codemirror']['mode'];
24	if ( is_string( $mode ) ) {
25	$mode = array(
26	'name' => $mode,
27	);
28	}
29
30	if ( ! empty( $settings['codemirror']['lint'] ) ) {
31	switch ( $mode['name'] ) {
32	case 'css':
33	case 'text/css':
34	case 'text/x-scss':
35	case 'text/x-less':
36	wp_enqueue_script( 'csslint' );
37	break;
38	case 'htmlmixed':
39	case 'text/html':
40	case 'php':
41	case 'application/x-httpd-php':
42	case 'text/x-php':
43	wp_enqueue_script( 'htmlhint' );
44	wp_enqueue_script( 'csslint' );
45	wp_enqueue_script( 'jshint' );
46	if ( ! current_user_can( 'unfiltered_html' ) ) {
47	wp_enqueue_script( 'htmlhint-kses' );
48	}
49	break;
50	case 'javascript':
51	case 'application/ecmascript':
52	case 'application/json':
53	case 'application/javascript':
54	case 'application/ld+json':
55	case 'text/typescript':
56	case 'application/typescript':
57	wp_enqueue_script( 'jshint' );
58	wp_enqueue_script( 'jsonlint' );
59	break;
60	}
61	}
62	}
63
64	wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) );
65
66	/**
67	* Fires when scripts and styles are enqueued for the code editor.
68	*
69	* @since 4.9.0
70	*
71	* @param array $settings Settings for the enqueued code editor.
72	*/
73	do_action( 'wp_enqueue_code_editor', $settings );
74
75	return $settings;
76	}
77	}
78
79	if ( ! function_exists('pmxi_if') ) {
80	function pmxi_if( $left_condition, $operand, $right_condition, $then, $else = '' ) {
81	$str = trim(implode(' ', array($left_condition, html_entity_decode($operand), $right_condition)));
82	// phpcs:ignore Generic.PHP.ForbiddenFunctions.Found
83	return (eval ("return ($str);")) ? $then : $else;
84	}
85	}
86
87	if ( ! function_exists('is_empty') ) {
88	function is_empty( $var ) {
89	return empty($var);
90	}
91	}
92
93	if ( ! function_exists('pmxi_human_filesize') ) {
94	function pmxi_human_filesize($bytes, $decimals = 2) {
95	$sz = 'BKMGTP';
96	$factor = (int) floor((strlen($bytes) - 1) / 3);
97	return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . (isset($sz[$factor]) ? $sz[$factor] : '');
98	}
99	}
100
101	if ( ! function_exists('pmxi_get_remote_image_ext') ) {
102	function pmxi_get_remote_image_ext( $filePath ) {
103	$response = wp_remote_get($filePath);
104	$headers = wp_remote_retrieve_headers( $response );
105	$content_type = (!empty($headers['content-type'])) ? explode('/', $headers['content-type']) : false;
106	if (!empty($content_type[1])){
107	if (preg_match('%jpeg%i', $content_type[1])) return 'jpeg';
108	if (preg_match('%jpg%i', $content_type[1])) return 'jpg';
109	if (preg_match('%png%i', $content_type[1])) return 'png';
110	if (preg_match('%gif%i', $content_type[1])) return 'gif';
111	if (preg_match('%svg%i', $content_type[1])) return 'svg';
112	if (preg_match('%webp%i', $content_type[1])) return 'webp';
113	if (preg_match('%pdf%i', $content_type[1])) return 'pdf';
114	return ($content_type[1] == "unknown") ? "" : $content_type[1];
115	}
116	return '';
117	}
118	}
119
120	if ( ! function_exists('pmxi_getExtension') ) {
121	function pmxi_getExtension( $str ){
122	$i = strrpos($str,".");
123	if (!$i) return "";
124	$l = strlen($str) - $i;
125	$ext = substr($str,$i+1,$l);
126	return (strlen($ext) <= 4) ? $ext : "";
127	}
128	}
129
130	if ( ! function_exists('pmxi_getExtensionFromStr' ) ) {
131	function pmxi_getExtensionFromStr( $str ) {
132	$filetype = wp_check_filetype($str);
133	if (empty($filetype['ext'])){
134	$filetype = wp_check_filetype(strtok($str, "?"));
135	}
136	return ($filetype['ext'] == "unknown") ? "" : $filetype['ext'];
137	}
138	}
139
140	if ( ! function_exists('pmxi_convert_encoding')) {
141	function pmxi_convert_encoding ( $source, $target_encoding = 'ASCII' ) {
142	if ( function_exists('mb_detect_encoding') ) {
143	// detect the character encoding of the incoming file
144	$encoding = mb_detect_encoding( $source, "auto" );
145	// escape all of the question marks so we can remove artifacts from
146	// the unicode conversion process
147	$target = str_replace( "?", "[question_mark]", $source );
148	// convert the string to the target encoding
149	$target = mb_convert_encoding( $target, $target_encoding, $encoding);
150	// remove any question marks that have been introduced because of illegal characters
151	$target = str_replace( "?", "", $target );
152	// replace the token string "[question_mark]" with the symbol "?"
153	$target = str_replace( "[question_mark]", "?", $target );
154	return html_entity_decode($target, ENT_COMPAT, 'UTF-8');
155	}
156	return $source;
157	}
158	}
159
160	if ( ! function_exists('wp_all_import_get_remote_file_name') ) {
161	function wp_all_import_get_remote_file_name( $filePath ) {
162	$bn = wp_all_import_basename($filePath);
163	$type = (preg_match('%\W(csv\|txt\|dat\|psv)$%i', $bn)) ? 'csv' : false;
164	if (!$type) $type = (preg_match('%\W(xml)$%i', $bn)) ? 'xml' : false;
165	if (!$type) $type = (preg_match('%\W(zip)$%i', $bn)) \|\| (preg_match('%\W(get_bundle)$%i', $bn) && strpos($bn, 'export_id') !== false && strpos($bn, 'security_token') !== false) ? 'zip' : false;
166	if (!$type) $type = (preg_match('%\W(gz)$%i', $bn)) ? 'gz' : false;
167
168	if(!$type){
169	$filePath = strtok($filePath, "?");
170	$bn = wp_all_import_basename($filePath);
171	$type = (preg_match('%\W(csv\|txt\|dat\|psv)$%i', $bn)) ? 'csv' : false;
172	if (!$type) $type = (preg_match('%\W(xml)$%i', $bn)) ? 'xml' : false;
173	if (!$type) $type = (preg_match('%\W(zip)$%i', $bn)) ? 'zip' : false;
174	if (!$type) $type = (preg_match('%\W(gz)$%i', $bn)) ? 'gz' : false;
175	}
176	return ($type) ? $type : false;
177	}
178	}
179
180	if ( ! function_exists('wp_all_import_translate_uri') ) {
181	function wp_all_import_translate_uri($uri) {
182	$parts = explode('/', $uri);
183	for ($i = 1; $i < count($parts); $i++) {
184	$parts[$i] = rawurlencode($parts[$i]);
185	}
186	return implode('/', $parts);
187	}
188	}
189
190	if ( ! function_exists('wp_all_import_cdata_filter') ) {
191	function wp_all_import_cdata_filter($matches) {
192	PMXI_Import_Record::$cdata[] = $matches[0];
193	return '{{CPLACE_'. count(PMXI_Import_Record::$cdata) .'}}';
194	}
195	}
196
197	if ( ! function_exists('wp_all_import_amp_filter') ) {
198	function wp_all_import_amp_filter($matches) {
199	if (empty($matches[1]) && !empty($matches[0])) {
200	return "&";
201	}
202	return in_array($matches[1], array("amp;", "lt;", "gt;")) ? "&" . $matches[1] : "&" . $matches[1];
203	}
204	}
205
206	if ( ! function_exists('wp_all_import_isValidMd5') ) {
207	function wp_all_import_isValidMd5($md5 ='') {
208	return preg_match('/^[a-f0-9]{32}$/', $md5);
209	}
210	}
211
212	if ( ! function_exists('wp_all_import_get_relative_path') ) {
213	function wp_all_import_get_relative_path($path){
214	$uploads = wp_upload_dir();
215	return str_replace($uploads['basedir'], '', $path);
216	}
217	}
218
219	if ( ! function_exists('wp_all_import_get_absolute_path') ) {
220	function wp_all_import_get_absolute_path($path) {
221	$uploads = wp_upload_dir();
222	return ( strpos($path, $uploads['basedir']) === false and ! preg_match('%^https?://%i', $path)) ? $uploads['basedir'] . $path : $path;
223	}
224	}
225
226	if ( ! function_exists('wp_all_import_clear_xss') ) {
227	function wp_all_import_clear_xss( $str ) {
228	return stripslashes(esc_sql(htmlspecialchars(wp_strip_all_tags($str))));
229	}
230	}
231
232	if ( ! function_exists('wp_all_import_get_taxonomies') ) {
233	function wp_all_import_get_taxonomies() {
234	// get all taxonomies
235	$taxonomies = get_taxonomies(FALSE, 'objects');
236	$ignore = array('nav_menu', 'link_category');
237	$r = array();
238	// populate $r
239	foreach ($taxonomies as $taxonomy) {
240	if (in_array($taxonomy->name, $ignore)) {
241	continue;
242	}
243	if ( ! empty($taxonomy->labels->name) && strpos($taxonomy->labels->name, "_") === false){
244	$r[$taxonomy->name] = $taxonomy->labels->name;
245	}
246	else{
247	$r[$taxonomy->name] = empty($taxonomy->labels->singular_name) ? $taxonomy->name : $taxonomy->labels->singular_name;
248	}
249	}
250	asort($r, SORT_FLAG_CASE \| SORT_STRING);
251	// return
252	return $r;
253	}
254	}
255
256	if ( ! function_exists('wp_all_import_is_password_protected_feed') ) {
257	function wp_all_import_is_password_protected_feed($url){
258	$url_data = wp_parse_url($url);
259	return (!empty($url_data['user']) and !empty($url_data['pass'])) ? true : false;
260	}
261	}
262
263	if ( ! function_exists('wp_all_import_cmp_custom_types') ) {
264	function wp_all_import_cmp_custom_types($a, $b) {
265	return strcmp($a->labels->name, $b->labels->name);
266	}
267	}
268
269	if ( ! function_exists('wp_all_import_basename') ) {
270	function wp_all_import_basename($file) {
271	$a = explode('/', $file);
272	return end($a);
273	}
274	}
275
276	if ( ! function_exists('wp_all_import_update_post_count') ) {
277	function wp_all_import_update_post_count() {
278	global $wpdb;
279	update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ), false ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
280	}
281	}
282
283	if ( ! function_exists('wp_all_import_supported_image_types') ) {
284	function wp_all_import_supported_image_types() {
285	$supported_image_types = array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG, IMAGETYPE_BMP);
286	if (defined('IMAGETYPE_WEBP')) {
287	$supported_image_types[] = IMAGETYPE_WEBP;
288	}
289	return $supported_image_types;
290	}
291	}
292
293	if ( ! function_exists('wp_all_import_generate_functions_hash') ) {
294	function wp_all_import_generate_functions_hash() {
295	$uploads = wp_upload_dir();
296	$functions_hash = false;
297	$functions_file = $uploads['basedir'] . DIRECTORY_SEPARATOR . WP_ALL_IMPORT_UPLOADS_BASE_DIRECTORY . DIRECTORY_SEPARATOR . 'functions.php';
298	if (@file_exists($functions_file)) {
299	$functions_hash = hash_file('md5', $functions_file);
300	// Check functions file from current theme.
301	$theme_functions_file = get_template_directory() . '/functions.php';
302	if (@file_exists($theme_functions_file)) {
303	$functions_hash .= hash_file('md5', $theme_functions_file);
304	}
305	}
306	return $functions_hash;
307	}
308	}
309
310	if (!function_exists('wp_all_import_is_update_custom_field')) {
311	function wp_all_import_is_update_custom_field($meta_key, $options) {
312	if ($options['update_all_data'] == 'yes') {
313	return TRUE;
314	}
315	if (!$options['is_update_custom_fields']) {
316	return FALSE;
317	}
318	if ($options['update_custom_fields_logic'] == "full_update") {
319	return TRUE;
320	}
321	if ($options['update_custom_fields_logic'] == "only"
322	&& !empty($options['custom_fields_list'])
323	&& is_array($options['custom_fields_list'])
324	&& in_array($meta_key, $options['custom_fields_list'])
325	) {
326	return TRUE;
327	}
328	if ($options['update_custom_fields_logic'] == "all_except"
329	&& (empty($options['custom_fields_list']) \|\| !in_array($meta_key, $options['custom_fields_list']))
330	) {
331	return TRUE;
332	}
333
334	return FALSE;
335	}
336	}
337
338	if (!function_exists('wp_all_import_delete_missing_notice')) {
339	function wp_all_import_delete_missing_notice( $options ) {
340
341	$options += PMXI_Plugin::get_default_import_options();
342
343	$notice = false;
344	if (!empty($options['is_delete_missing'])) {
345
346	switch ($options['custom_type']){
347	case 'taxonomies':
348	$custom_type = get_taxonomy($options['taxonomy_type']);
349	if (empty($custom_type)){
350	$custom_type = new stdClass();
351	$custom_type->labels = new stdClass();
352	$custom_type->labels->name = __('Taxonomy Terms', 'wp-all-import');
353	$custom_type->labels->singular_name = __('Taxonomy Term', 'wp-all-import');
354	}
355	break;
356	case 'comments':
357	$custom_type = new stdClass();
358	$custom_type->labels = new stdClass();
359	$custom_type->labels->name = __('Comments', 'wp-all-import');
360	$custom_type->labels->singular_name = __('Comment', 'wp-all-import');
361	break;
362	case 'woo_reviews':
363	$custom_type = new stdClass();
364	$custom_type->labels = new stdClass();
365	$custom_type->labels->name = __('Reviews', 'wp-all-import');
366	$custom_type->labels->singular_name = __('Review', 'wp-all-import');
367	break;
368	default:
369	$custom_type = get_post_type_object( $options['custom_type'] );
370	break;
371	}
372
373	if ($options['delete_missing_logic'] == 'all' && $options['delete_missing_action'] == 'keep' && !empty($options['is_change_post_status_of_removed'])) {
374	if( !empty($options['is_send_removed_to_trash']) ) {
375	/* translators: see placeholders in the string below */
376	$notice = sprintf( __( '<span class="important-warning">Warning</span>: Any %s not in your import file will be sent to the trash, even those not created by this import.', 'wp-all-import' ), $custom_type->labels->name);
377	}else{
378	/* translators: see placeholders in the string below */
379	$notice = sprintf( __( '<span class="important-warning">Warning</span>: Any %1$s not in your import file will be marked as %2$s, even those not created by this import.', 'wp-all-import' ), $custom_type->labels->name, $options['status_of_removed'] );
380	}
381	}
382	if ($options['delete_missing_logic'] == 'import' && $options['delete_missing_action'] == 'keep' && !empty($options['is_send_removed_to_trash'])) {
383	/* translators: see placeholders in the string below */
384	$notice = sprintf(__('<span class="important-warning">Warning</span>: %s created by this import and no longer present in the import file will be sent to the trash.', 'wp-all-import'), $custom_type->labels->name);
385	}
386	if ($options['delete_missing_logic'] == 'import' && $options['delete_missing_action'] == 'keep' && !empty($options['is_change_post_status_of_removed'])) {
387	if( !empty($options['is_send_removed_to_trash']) ) {
388	/* translators: see placeholders in the string below */
389	$notice = sprintf( __( '<span class="important-warning">Warning</span>: %s created by this import and no longer present in the import file will be sent to the trash.', 'wp-all-import' ), $custom_type->labels->name);
390	}else{
391	/* translators: see placeholders in the string below */
392	$notice = sprintf( __( '<span class="important-warning">Warning</span>: %1$s created by this import and no longer present in the import file will be marked as %2$s.', 'wp-all-import' ), $custom_type->labels->name, $options['status_of_removed'] );
393	}
394	}
395	if ($options['delete_missing_logic'] == 'import' && $options['delete_missing_action'] == 'remove') {
396	/* translators: see placeholders in the string below */
397	$notice = sprintf(__('<span class="important-warning">Warning</span>: %s created by this import and no longer present in the import file will be <b>permanently deleted</b>.', 'wp-all-import'), $custom_type->labels->name);
398	}
399	if ($options['delete_missing_logic'] == 'all' && $options['delete_missing_action'] == 'keep' && !empty($options['is_send_removed_to_trash'])) {
400	/* translators: see placeholders in the string below */
401	$notice = sprintf(__('<span class="important-warning">Warning</span>: Any %1$s not in your import file will be sent to the trash when this import runs. This includes %2$s that weren\'t created by this import.', 'wp-all-import'), $custom_type->labels->name, $custom_type->labels->name);
402	}
403	if ($options['delete_missing_logic'] == 'all' && $options['delete_missing_action'] == 'remove') {
404	/* translators: see placeholders in the string below */
405	$notice = sprintf(__('<span class="important-warning">Warning</span>: Any %s not in your import file will be <b>permanently deleted</b>, even those not created by this import.', 'wp-all-import'), $custom_type->labels->name);
406	}
407	}
408	return $notice;
409	}
410	}
411
412	if (!function_exists('wp_all_import_custom_type_labels')) {
413	function wp_all_import_custom_type_labels($post_type, $taxonomy_type = false) {
414	switch ($post_type){
415	case 'taxonomies':
416	if (!empty($taxonomy_type)) {
417	$tx = get_taxonomy($taxonomy_type);
418	}
419	$custom_type = new stdClass();
420	$custom_type->name = $post_type;
421	$custom_type->label = empty($tx->labels->name) ? __('Taxonomy Terms', 'wp-all-import') : $tx->labels->name;
422	$custom_type->labels = new stdClass();
423	$custom_type->labels->name = empty($tx->labels->name) ? __('Taxonomy Terms', 'wp-all-import') : $tx->labels->name;
424	$custom_type->labels->singular_name = empty($tx->labels->singular_name) ? __('Taxonomy Term', 'wp-all-import') : $tx->labels->singular_name;
425	break;
426	case 'comments':
427	$custom_type = new stdClass();
428	$custom_type->name = $post_type;
429	$custom_type->label = __('Comments', 'wp-all-import');
430	$custom_type->labels = new stdClass();
431	$custom_type->labels->name = __('Comments', 'wp-all-import');
432	$custom_type->labels->singular_name = __('Comment', 'wp-all-import');
433	break;
434	case 'woo_reviews':
435	$custom_type = new stdClass();
436	$custom_type->name = $post_type;
437	$custom_type->label = __('WooCommerce Reviews', 'wp-all-import');
438	$custom_type->labels = new stdClass();
439	$custom_type->labels->name = __('WooCommerce Reviews', 'wp-all-import');
440	$custom_type->labels->singular_name = __('Review', 'wp-all-import');
441	break;
442	case 'import_users':
443	$custom_type = new stdClass();
444	$custom_type->name = $post_type;
445	$custom_type->label = __('Users', 'wp-all-import');
446	$custom_type->labels = new stdClass();
447	$custom_type->labels->name = __('Users', 'wp-all-import');
448	$custom_type->labels->singular_name = __('User', 'wp-all-import');
449	break;
450	case 'gf_entries':
451	$custom_type = new stdClass();
452	$custom_type->name = $post_type;
453	$custom_type->label = __('Gravity Forms Entry', 'wp-all-import');
454	$custom_type->labels = new stdClass();
455	$custom_type->labels->name = __('Gravity Forms Entry', 'wp-all-import');
456	$custom_type->labels->singular_name = __('Gravity Forms Entry', 'wp-all-import');
457	break;
458	case 'shop_customer':
459	$custom_type = new stdClass();
460	$custom_type->name = $post_type;
461	$custom_type->label = __('WooCommerce Customers', 'wp-all-import');
462	$custom_type->labels = new stdClass();
463	$custom_type->labels->name = __('WooCommerce Customers', 'wp-all-import');
464	$custom_type->labels->singular_name = __('WooCommerce Customer', 'wp-all-import');
465	break;
466	default:
467	$custom_type = get_post_type_object( $post_type );
468	break;
469	}
470	return $custom_type;
471	}
472	}
473
474	if (!function_exists('wp_all_import_get_product_id_by_sku')) {
475	function wp_all_import_get_product_id_by_sku( $sku ) {
476	global $wpdb;
477
478	// phpcs:ignore WordPress.VIP.DirectDatabaseQuery.DirectQuery
479	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
480	$id = $wpdb->get_var(
481	$wpdb->prepare(
482	"
483	SELECT posts.ID
484	FROM {$wpdb->posts} as posts
485	INNER JOIN {$wpdb->wc_product_meta_lookup} AS lookup ON posts.ID = lookup.product_id
486	WHERE
487	posts.post_type IN ( 'product', 'product_variation' )
488	AND lookup.sku = %s
489	LIMIT 1
490	",
491	$sku
492	)
493	);
494
495	return (int) apply_filters( 'wp_all_import_get_product_id_by_sku', $id, $sku );
496	}
497	}
498
499	if (!function_exists('wp_all_import_supported_image_extensions')) {
500	function wp_all_import_supported_image_extensions() {
501	$types = ['svg']; //
502	$mime_types = get_allowed_mime_types();
503	if ( ! empty($mime_types) ) {
504	foreach ($mime_types as $ext => $mime_type) {
505	if (strpos($mime_type, 'image/') !== FALSE) {
506	$types[] = $ext;
507	}
508	}
509	}
510	return implode("\|", apply_filters('pmxi_supported_image_extensions', $types));
511	}
512	}
513
514	if (!function_exists('pmxi_truncate_term_slug')) {
515	function pmxi_truncate_term_slug($string, $limit = 200) {
516	// Function to check if the string is URL-encoded.
517	$is_url_encoded = (urldecode($string) !== $string);
518
519	// Function to truncate URL-encoded strings.
520	if ($is_url_encoded) {
521	$decoded = rawurldecode($string);
522	$encoded_string = '';
523	$encoded_length = 0;
524
525	for ($i = 0; $i < mb_strlen($decoded); $i++) {
526	$char = mb_substr($decoded, $i, 1);
527	$encoded_char = rawurlencode($char);
528	$char_length = strlen($encoded_char);
529
530	if ($encoded_length + $char_length > $limit) {
531	break;
532	}
533
534	$encoded_string .= $encoded_char;
535	$encoded_length += $char_length;
536	}
537
538	return $encoded_string;
539	} else {
540	// Function to truncate regular strings.
541	if (mb_strlen($string) > $limit) {
542	return mb_substr($string, 0, $limit);
543	}
544	return $string;
545	}
546	}
547	}
548
549	if(!function_exists('pmxi_maybe_unserialize'))
550	{
551	function pmxi_maybe_unserialize($value)
552	{
553	if(is_serialized($value)){
554	$value = @unserialize(trim($value), ['allowed_classes' => false]);
555	}
556
557	return $value;
558	}
559	}
560
561	if (!function_exists('wp_all_import_get_allowed_zip_extensions')) {
562	/**
563	* Get allowed file extensions for zip extraction (whitelist approach)
564	* @return array
565	*/
566	function wp_all_import_get_allowed_zip_extensions() {
567	// Data file extensions
568	$data_extensions = array(
569	'xml', 'csv', 'txt', 'json', 'sql', 'dat', 'psv', 'tsv', 'xls', 'xlsx'
570	);
571
572	// Get image extensions from WordPress and plugin
573	$image_extensions = array();
574	if (function_exists('wp_all_import_supported_image_extensions')) {
575	$supported_image_extensions = wp_all_import_supported_image_extensions();
576	if ($supported_image_extensions) {
577	$image_extensions = explode('\|', $supported_image_extensions);
578	}
579	}
580
581	// Additional common image extensions not covered by the function
582	$additional_image_extensions = array(
583	'jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'avif', 'ico', 'tiff', 'tif'
584	);
585
586	// Merge all allowed extensions
587	$allowed_extensions = array_merge($data_extensions, $image_extensions, $additional_image_extensions);
588
589	// Remove duplicates and empty values
590	$allowed_extensions = array_filter(array_unique($allowed_extensions));
591
592	// Apply filter to allow customization
593	return apply_filters('wp_all_import_allowed_zip_extensions', $allowed_extensions);
594	}
595	}
596