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<?php $r = range(1,10); array_map(function(&$value, $key) { $double = $value*2; if ($double >= 12) { $value = $double; } else { unset($r[$key]); } }, $r); var_dump($r);
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/Xsjtf:5 Stack trace: #0 [internal function]: {closure}(1) #1 /in/Xsjtf(12): array_map(Object(Closure), Array) #2 {main} thrown in /in/Xsjtf on line 5
Process exited with code 255.
Output for 5.3.0 - 7.0.14
Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Notice: Undefined variable: r in /in/Xsjtf on line 10 Notice: Undefined variable: key in /in/Xsjtf on line 10 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Notice: Undefined variable: r in /in/Xsjtf on line 10 Notice: Undefined variable: key in /in/Xsjtf on line 10 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Notice: Undefined variable: r in /in/Xsjtf on line 10 Notice: Undefined variable: key in /in/Xsjtf on line 10 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Notice: Undefined variable: r in /in/Xsjtf on line 10 Notice: Undefined variable: key in /in/Xsjtf on line 10 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Notice: Undefined variable: r in /in/Xsjtf on line 10 Notice: Undefined variable: key in /in/Xsjtf on line 10 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 Warning: Missing argument 2 for {closure}() in /in/Xsjtf on line 5 array(10) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(10) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/Xsjtf on line 5
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 T_FUNCTION, expecting ')' in /in/Xsjtf on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Xsjtf on line 5
Process exited with code 255.