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<?php $template = ['A', 'B', 'C']; $myArray = [ new Element('B'), new Element('C'), new Element('A'), ]; class Element { public $name; public function __construct($name) { $this->name = $name; } } usort($myArray, function($a, $b) { return array_search($a) - array_search($b); }); var_dump($myArray);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: array_search() expects at least 2 arguments, 1 given in /in/UvEk3:22 Stack trace: #0 /in/UvEk3(22): array_search(Object(Element)) #1 [internal function]: {closure}(Object(Element), Object(Element)) #2 /in/UvEk3(21): usort(Array, Object(Closure)) #3 {main} thrown in /in/UvEk3 on line 22
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught ArgumentCountError: array_search() expects at least 2 arguments, 1 given in /in/UvEk3:22 Stack trace: #0 /in/UvEk3(22): array_search(Object(Element)) #1 [internal function]: {closure}(Object(Element), Object(Element)) #2 /in/UvEk3(23): usort(Array, Object(Closure)) #3 {main} thrown in /in/UvEk3 on line 22
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 array(3) { [0]=> object(Element)#1 (1) { ["name"]=> string(1) "B" } [1]=> object(Element)#2 (1) { ["name"]=> string(1) "C" } [2]=> object(Element)#3 (1) { ["name"]=> string(1) "A" } }
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 Warning: array_search() expects at least 2 parameters, 1 given in /in/UvEk3 on line 22 array(3) { [0]=> object(Element)#3 (1) { ["name"]=> string(1) "A" } [1]=> object(Element)#2 (1) { ["name"]=> string(1) "C" } [2]=> object(Element)#1 (1) { ["name"]=> string(1) "B" } }
preferences:
221.65 ms | 403 KiB | 227 Q