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run code in 150+ php & hhvm versions
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<?php function coolPluck($array, $allowed) { $output = array(); foreach($allowed as $keyToFind) { foreach($array as $k => $v) { if($k === $keyToFind) { $output[$keyToFind] = $v; } if(is_array($v)) { $results = coolPluck($v, $allowed); if (isset($results[$keyToFind])) { if (!isset($output[$keyToFind])) { $output[$keyToFind] = $results[$keyToFind]; } else { // if(is_array($output[$keyToFind])) { $output[$keyToFind] = array_merge(array($output[$keyToFind]), (array)$results[$keyToFind]); // } // else { // $output[$keyToFind] = array_merge((array)$output[$keytoFind], ) // } } } } } } return $output; } $testArray = array( 'test' => array( 'percy' => array( 'philip' => array('percy' => array( 'mitch' => array('percy' => 'cool', 'mitch' => 'anderson') ) ) ) ), 'mitch' => array( 'mitchell', 'anderson' ) ) ); var_dump(coolPluck($testArray, array('percy', 'mitch')));
Output for 5.3.0 - 5.4.20
Parse error: syntax error, unexpected ')' in /in/bBXOc on line 53
Process exited with code 255.