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<?php $data = array( array( array("foo" => 1), array("boo" => 2), array("foo" => 3), ), array( array("boo" => 1), array("foo" => 2), array("foo" => 3), ) ); var_dump(array_filter($data, function($value) { array_filter($data, function($data) {return $data['foo'] == 3; });}));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $data in /in/4U9dU on line 14 Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, null given in /in/4U9dU:14 Stack trace: #0 /in/4U9dU(14): array_filter(NULL, Object(Closure)) #1 [internal function]: {closure}(Array) #2 /in/4U9dU(14): array_filter(Array, Object(Closure)) #3 {main} thrown in /in/4U9dU on line 14
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: data in /in/4U9dU on line 14 Warning: array_filter() expects parameter 1 to be array, null given in /in/4U9dU on line 14 Notice: Undefined variable: data in /in/4U9dU on line 14 Warning: array_filter() expects parameter 1 to be array, null given in /in/4U9dU on line 14 array(0) { }
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: array_filter() expects parameter 1 to be array, null given in /in/4U9dU on line 14 Warning: array_filter() expects parameter 1 to be array, null given in /in/4U9dU on line 14 array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/4U9dU on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/4U9dU on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4U9dU on line 14
Process exited with code 255.
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