Admin
2 weeks ago
OptimiseAssets
2 weeks ago
ThirdParty
1 year ago
AdminBar.php
2 weeks ago
AssetsManager.php
2 weeks ago
BulkChanges.php
2 weeks ago
CleanUp.php
2 months ago
Debug.php
2 weeks ago
DebugException.php
2 weeks ago
FileSystem.php
1 year ago
HardcodedAssets.php
2 weeks ago
LoadExceptions.php
2 weeks ago
Main.php
2 weeks ago
MainFront.php
2 weeks ago
Maintenance.php
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Menu.php
2 weeks ago
MetaBoxes.php
2 weeks ago
Misc.php
2 weeks ago
MiscArray.php
2 weeks ago
ObjectCache.php
2 months ago
OwnAssets.php
2 weeks ago
PluginTracking.php
2 weeks ago
Preloads.php
2 weeks ago
Regex.php
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1 year ago
Update.php
2 weeks ago
MiscArray.php
306 lines
| 1 | <?php |
| 2 | /** @noinspection MultipleReturnStatementsInspection */ |
| 3 | |
| 4 | namespace WpAssetCleanUp; |
| 5 | |
| 6 | /** |
| 7 | * Class MiscArray |
| 8 | * contains various common functions that are used by the plugin |
| 9 | * @package WpAssetCleanUp |
| 10 | */ |
| 11 | class MiscArray |
| 12 | { |
| 13 | /** |
| 14 | * Check if a scalar value is considered non-empty. |
| 15 | * |
| 16 | * Valid values include: |
| 17 | * - 0 |
| 18 | * - '0' |
| 19 | * - false |
| 20 | * - true |
| 21 | * - any non-empty string |
| 22 | * |
| 23 | * Invalid values: |
| 24 | * - null |
| 25 | * - '' |
| 26 | * |
| 27 | * @param mixed $value |
| 28 | * |
| 29 | * @return bool |
| 30 | */ |
| 31 | public static function isNonEmptyValue($value) |
| 32 | { |
| 33 | return $value !== null && $value !== ''; |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * @param $value |
| 38 | * |
| 39 | * @return bool |
| 40 | */ |
| 41 | public static function hasNonEmptyValue($value) |
| 42 | { |
| 43 | if ( ! is_array($value) ) { |
| 44 | return self::isNonEmptyValue($value); |
| 45 | } |
| 46 | |
| 47 | foreach ($value as $childValue) { |
| 48 | if (self::hasNonEmptyValue($childValue)) { |
| 49 | return true; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | return false; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Check if a value is non-empty. |
| 58 | * |
| 59 | * If $path is provided, the nested value is checked. |
| 60 | * |
| 61 | * Examples: |
| 62 | * self::isNonEmpty($settings); |
| 63 | * self::isNonEmpty($settings, 'dom_get_type'); |
| 64 | * self::isNonEmpty($settings, 'images.attr.data'); |
| 65 | * self::isNonEmpty($settings, '[images][attr][data]'); |
| 66 | * self::isNonEmpty($settings, 'images.attr.data', true); // must be array |
| 67 | * |
| 68 | * If $mustBeArray is true, the resolved value must be an array. |
| 69 | * |
| 70 | * @param mixed $value |
| 71 | * @param string|array $path |
| 72 | * @param bool $mustBeArray |
| 73 | * |
| 74 | * @return bool |
| 75 | */ |
| 76 | public static function isNonEmpty($value, $path = null, $mustBeArray = false) |
| 77 | { |
| 78 | if ($path !== null) { |
| 79 | $value = self::getNestedValue($value, $path); |
| 80 | } |
| 81 | |
| 82 | if ($mustBeArray && ! is_array($value)) { |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | return self::hasNonEmptyValue($value); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Alias of isNonEmpty(). |
| 91 | * |
| 92 | * @param mixed $value |
| 93 | * @param string|array $path |
| 94 | * @param bool $mustBeArray |
| 95 | * |
| 96 | * @return bool |
| 97 | */ |
| 98 | public static function isValid($value, $path = null, $mustBeArray = false) |
| 99 | { |
| 100 | return self::isNonEmpty($value, $path, $mustBeArray); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Opposite of isNonEmpty(). |
| 105 | * |
| 106 | * @param mixed $value |
| 107 | * @param string|array $path |
| 108 | * @param bool $mustBeArray |
| 109 | * |
| 110 | * @return bool |
| 111 | */ |
| 112 | public static function isEmpty($value, $path = null, $mustBeArray = false) |
| 113 | { |
| 114 | return ! self::isNonEmpty($value, $path, $mustBeArray); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Get an array value by key/path. |
| 119 | * |
| 120 | * Supported formats: |
| 121 | * - 'resource_loading' |
| 122 | * - '[resource_loading]' |
| 123 | * - '[resource_loading][images][attr]' |
| 124 | * - 'images.attr.data' |
| 125 | * - array('images', 'attr', 'data') |
| 126 | * |
| 127 | * @param array $array |
| 128 | * @param string|array $key |
| 129 | * @param mixed|null $default |
| 130 | * |
| 131 | * @return mixed|null |
| 132 | */ |
| 133 | public static function getValue($array, $key, $default = null) |
| 134 | { |
| 135 | if ( ! is_array($array) ) { |
| 136 | return $default; |
| 137 | } |
| 138 | |
| 139 | if ( is_array($key) ) { |
| 140 | return self::getNestedValue($array, $key, $default); |
| 141 | } |
| 142 | |
| 143 | if ( ! is_string($key) ) { |
| 144 | return $default; |
| 145 | } |
| 146 | |
| 147 | $key = trim($key); |
| 148 | |
| 149 | if ($key === '') { |
| 150 | return $default; |
| 151 | } |
| 152 | |
| 153 | // e.g. [resource_loading] => resource_loading |
| 154 | if (preg_match('#^\[([^\]]+)\]$#', $key, $matches)) { |
| 155 | $key = $matches[1]; |
| 156 | } |
| 157 | |
| 158 | // Simple top-level key. |
| 159 | if (strpos($key, '[') === false && strpos($key, '.') === false) { |
| 160 | if ( ! array_key_exists($key, $array) ) { |
| 161 | return $default; |
| 162 | } |
| 163 | |
| 164 | return ($array[$key] === '') ? $default : $array[$key]; |
| 165 | } |
| 166 | |
| 167 | // Nested path. |
| 168 | return self::getNestedValue($array, $key, $default); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Get a nested array value by path. |
| 173 | * |
| 174 | * Supported path formats: |
| 175 | * - [images][attr][data] |
| 176 | * - images.attr.data |
| 177 | * - array('images', 'attr', 'data') |
| 178 | * |
| 179 | * @param array $array |
| 180 | * @param string|array $path |
| 181 | * @param mixed|null $default |
| 182 | * |
| 183 | * @return mixed|null |
| 184 | */ |
| 185 | public static function getNestedValue($array, $path, $default = null) |
| 186 | { |
| 187 | if ( ! is_array($array) ) { |
| 188 | return $default; |
| 189 | } |
| 190 | |
| 191 | if ( is_array($path) ) { |
| 192 | $keys = $path; |
| 193 | } else { |
| 194 | $path = trim($path); |
| 195 | |
| 196 | if ($path === '') { |
| 197 | return $default; |
| 198 | } |
| 199 | |
| 200 | if ( strpos($path, '[') === 0 ) { |
| 201 | preg_match_all('#\[([^\]]+)\]#', $path, $matches); |
| 202 | $keys = isset($matches[1]) ? $matches[1] : array(); |
| 203 | } else { |
| 204 | $keys = array_filter(explode('.', $path), 'strlen'); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | if ( empty($keys) ) { |
| 209 | return $default; |
| 210 | } |
| 211 | |
| 212 | foreach ($keys as $key) { |
| 213 | if ( ! is_array($array) || ! array_key_exists($key, $array) ) { |
| 214 | return $default; |
| 215 | } |
| 216 | |
| 217 | $array = $array[$key]; |
| 218 | } |
| 219 | |
| 220 | return ($array === '') ? $default : $array; |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * @param $array |
| 225 | * @param $prefix |
| 226 | * |
| 227 | * @return bool |
| 228 | */ |
| 229 | public static function hasKeyStartingWith($array, $prefix) |
| 230 | { |
| 231 | foreach ($array as $key => $value) { |
| 232 | if (strpos($key, $prefix) === 0) { |
| 233 | return true; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | return false; |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * @param $list |
| 242 | * @param string $for |
| 243 | * |
| 244 | * @return array |
| 245 | */ |
| 246 | public static function filterList($list, $for = 'empty_values') |
| 247 | { |
| 248 | if ( ! empty($list) && $for === 'empty_values' ) { |
| 249 | $list = self::unsetRecursive($list); |
| 250 | } |
| 251 | |
| 252 | return $list; |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Source: https://stackoverflow.com/questions/7696548/php-how-to-remove-empty-entries-of-an-array-recursively |
| 257 | * |
| 258 | * @param $array |
| 259 | * |
| 260 | * @return array |
| 261 | */ |
| 262 | public static function unsetRecursive($array) |
| 263 | { |
| 264 | $array = (array)$array; // in case it's object, convert it to array |
| 265 | |
| 266 | foreach ($array as $key => $value) { |
| 267 | if (is_array($value) || is_object($value)) { |
| 268 | $array[$key] = self::unsetRecursive($value); |
| 269 | } |
| 270 | |
| 271 | // Values such as '0' are not considered empty values |
| 272 | if (is_string($value) && trim($value) === '0') { |
| 273 | continue; |
| 274 | } |
| 275 | |
| 276 | // Clear it if it's empty |
| 277 | if (empty($array[$key])) { |
| 278 | unset($array[$key]); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | return $array; |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * @param $transientName |
| 287 | * @param $value |
| 288 | * @param $expiration |
| 289 | * |
| 290 | * @return void |
| 291 | */ |
| 292 | public static function addToTransient($transientName, $value, $expiration = 0) |
| 293 | { |
| 294 | $data = get_transient($transientName); |
| 295 | |
| 296 | if ( ! is_array($data) ) { |
| 297 | $data = array(); |
| 298 | } |
| 299 | |
| 300 | $data[] = $value; |
| 301 | |
| 302 | set_transient($transientName, $data, $expiration); |
| 303 | } |
| 304 | |
| 305 | } |
| 306 |