3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function mergeAttachments($a, $b) { // If both #attached arrays contain drupalSettings, then merge them // correctly; adding the same settings multiple times needs to behave // idempotently. if (!empty($b['drupalSettings'])) { $temp = mergeDeepArray([$a['drupalSettings'], $b['drupalSettings']], TRUE); } $a = mergeDeepArray([$a, $b]); if (isset($temp)) { $a['drupalSettings'] = $temp; } return $a; } function mergeAttachmentsOld($a, $b) { if (!empty($a['drupalSettings']) && !empty($b['drupalSettings'])) { $a['drupalSettings'] = mergeDeepArray([$a['drupalSettings'], $b['drupalSettings']], TRUE); unset($b['drupalSettings']); } return mergeDeep($a, $b); } function mergeDeepArray($arrays, $preserve_integer_keys = FALSE) { $result = array(); foreach ($arrays as $array) { foreach ($array as $key => $value) { // Renumber integer keys as array_merge_recursive() does unless // $preserve_integer_keys is set to TRUE. Note that PHP automatically // converts array keys that are integer strings (e.g., '1') to integers. if (is_integer($key) && !$preserve_integer_keys) { $result[] = $value; } // Recurse when both values are arrays. elseif (isset($result[$key]) && is_array($result[$key]) && is_array($value)) { $result[$key] = mergeDeepArray(array($result[$key], $value), $preserve_integer_keys); } // Otherwise, use the latter value, overriding any previous value. else { $result[$key] = $value; } } } return $result; } function mergeDeep() { return mergeDeepArray(func_get_args()); } for($i = 0; $i <= 10000; $i++) { $a['#attached'] = array( 'library' => array( 'core/drupal', 'core/drupalSettings', ), ); $b['#attached'] = array( 'library' => array( 'core/jquery', ), ); mergeAttachments($a['#attached'], $b['#attached']); }
based on 2kOZY
Output for 5.4.0 - 7.2.0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/qfSuA on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/qfSuA on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/qfSuA on line 8
Process exited with code 255.