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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public static $p = array( 'abc' => array('test' => array('a')), 'test123' => 'b', ); } class B extends A { public static $p = array( 'abc' => array('test' => array('c')), 'test1' => 'd', ); public static function mergeRecursive($depth = null) { $arrays = func_get_args(); if (!is_array($depth)) array_shift($arrays); else $depth = null; $firstArray = array_shift($arrays); foreach ($arrays as &$array) { if ($depth == 1) { $firstArray = array_merge($firstArray, $array); } else { foreach ($array as $key => &$value) { if (is_int($key)) { $firstArray[] = &$value; } else if (isset($firstArray[$key]) && is_array($firstArray[$key]) && is_array($array[$key])) { $firstArray[$key] = self::mergeRecursive($depth - 1, $firstArray[$key], $value); } else { $firstArray[$key] = &$value; } } } } return $firstArray; } } var_dump((new ReflectionClass('A'))->getDefaultProperties()); $r = new ReflectionClass('B'); $result = array(); do { $result = B::mergeRecursive(2, $r->getDefaultProperties(), $result); } while($r = $r->getParentClass()); $r = new ReflectionClass('A'); var_dump($r->getDefaultProperties());
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["p"]=> array(2) { ["abc"]=> array(1) { ["test"]=> array(1) { [0]=> string(1) "a" } } ["test123"]=> string(1) "b" } } array(1) { ["p"]=> array(2) { ["abc"]=> array(1) { ["test"]=> array(1) { [0]=> string(1) "a" } } ["test123"]=> string(1) "b" } }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/QDGif on line 57
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/QDGif on line 57
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Fatal error: Cannot redeclare property static public A::$p in class B in /in/QDGif on line 54
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QDGif on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QDGif on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/QDGif on line 4
Process exited with code 255.