microthemer / src / Content / ContentHelper.php

ContentHelper.php in Microthemer Lite – Visual Editor to Customize CSS trunk, at src/Content/ContentHelper.php

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1	<?php
2
3	namespace Microthemer\Content;
4
5	class ContentHelper {
6
7	/**
8	* Perform safe memory/DOM cleanup after heavy XML/DOM operations.
9	* Compatible with PHP 5.1+ (skips unavailable functions).
10	*/
11	public static function cleanupMemory()
12	{
13	// Clear libxml internal error buffer
14	if (function_exists('libxml_clear_errors')) {
15	libxml_clear_errors();
16	}
17
18	// Trigger garbage collection for cyclic references (PHP 5.3+)
19	if (function_exists('gc_collect_cycles')) {
20	gc_collect_cycles();
21	}
22
23	// Free unused memory from Zend allocator (PHP 7.0+)
24	if (function_exists('gc_mem_caches')) {
25	gc_mem_caches();
26	}
27	}
28
29	/**
30	* Merges any number of arrays recursively, preserving keys.
31	*
32	* For non-array values at the same key, the value from the later array will overwrite the earlier one.
33	* If a key exists in both arrays and both values are arrays, the two arrays will be merged recursively.
34	*
35	* @param array ...$arrays The arrays to merge.
36	* @return array The merged array.
37	*/
38	public static function array_merge_distinct(...$arrays){
39
40	// If no arrays are provided, return an empty array.
41	if (empty($arrays)) {
42	return [];
43	}
44
45	// Get the first array as the base.
46	$merged = array_shift($arrays);
47
48	// Loop through the remaining arrays.
49	foreach ($arrays as $array) {
50
51	// Iterate over the current array to merge it into the base.
52	foreach ($array as $key => $value) {
53
54	// If the key exists in the merged array and both values are arrays, recurse.
55	if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) {
56	$merged[$key] = ContentHelper::array_merge_distinct($merged[$key], $value);
57	} else {
58	// Otherwise, just overwrite the value.
59	$merged[$key] = $value;
60	}
61	}
62	}
63
64	return $merged;
65	}
66
67	public static function getScriptDepsFromMeta(&$npm_dependencies, $meta, $isString = true, $justStatements = false, $incImportedInline = false){
68
69	if ($isString){
70	$meta = !empty($meta) ? json_decode($meta, true) : array();
71	}
72
73	$statements = '';
74	$auto = !empty($meta['auto_script_deps']) ? $meta['auto_script_deps'] : array();
75	$manual = !empty($meta['manual_script_deps']) ? $meta['manual_script_deps'] : array();
76	$imported = $incImportedInline && !empty($meta['imported_script_deps']) ? $meta['imported_script_deps'] : array();
77
78	//return $meta;
79
80	// exclude auto dependencies that have been manually disabled
81	foreach ($manual as $packName => $config) {
82	if (!empty($config['autoDisabled'])){
83	unset($auto[$packName]);
84	unset($manual[$packName]['autoDisabled']);
85	if (empty($manual[$packName])){
86	unset($manual[$packName]);
87	}
88	}
89	}
90
91	// Combine deps
92	$totalDeps = ContentHelper::array_merge_distinct($auto, $manual, $imported);
93
94	// Ensure importSyntax is set
95	foreach ($totalDeps as $packName => $config) {
96	if (empty($config['importSyntax'])){
97
98	// Fall back to the import statement set at the package level
99	if (!empty($npm_dependencies->$packName['importSyntax'] )){
100	$config['importSyntax'] = $npm_dependencies->$packName['importSyntax'];
101	}
102
103	// we do not have a valid option to choose from - do not add dependency
104	// perhaps we could default to the pack name...
105	else {
106	unset($totalDeps[$packName]);
107	}
108	}
109	}
110
111	//echo('$totalDeps: <pre>'.print_r($totalDeps, 1).'</pre>' . $statements);
112	if ($justStatements){
113	$register = array();
114	foreach ($totalDeps as $packageName => $config){
115	$module = !empty($config['module']) ? $config['module'] : $packageName;
116	$statements.= "import " . $config['importSyntax'] . " from '".$module."';\n";
117	ContentHelper::populateRegistered($packageName, $config['importSyntax'], $register);
118	}
119	ContentHelper::applyRegistered($register, $statements);
120	//wp_die('getScriptDepsFromMeta: <pre>'.print_r($totalDeps, 1).'</pre>' . $statements);
121	}
122
123	/*if (count($totalDeps)){
124	wp_die('$totalDeps: <pre>'.print_r([
125	'auto' => $auto,
126	'import' => $import,
127	'manual' => $manual,
128	'total' => $totalDeps,
129	], 1).'</pre>' . $statements);
130	}*/
131
132	return count($totalDeps)
133	? ($justStatements ? $statements : $totalDeps)
134	: '';
135	}
136
137	public static function populateRegistered($packageName, $importSyntax, &$register){
138	if (str_contains($packageName, 'gsap') && $packageName !== 'gsap'){
139	$register['gsap']['registerSyntax'] = "gsap.registerPlugin({addons});\n";
140	$register['gsap']['addons'][] = $importSyntax;
141	}
142	}
143
144	public static function applyRegistered($register, &$statements){
145	foreach($register as $array){
146	$statements.= str_replace(
147	'{addons}', implode(', ', $array['addons']), $array['registerSyntax']
148	);
149	}
150	}
151
152
153	public static function getJsFileName(&$snippet, $snippet_id, $withExtension = true){
154
155	//wp_die('getJsFileName: <pre>'.print_r($snippet, true).'</pre>');
156
157	$baseName = !empty($snippet['meta']['manual_name'])
158	? pathinfo(trim($snippet['meta']['manual_name']), PATHINFO_FILENAME)
159	: $snippet_id;
160
161	return sanitize_file_name($baseName) . ($withExtension ? '.js' : '');
162	}
163	}