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<?php $arr1 = array(5, 3, 9, 11, 6, 15); $arr2 = array(11, 20, 1, 3, 8); foreach($arr1 as $x) { $max = max(array_filter($arr2, function ($y) { return $y < $x; })); echo $max; }
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 $x in /in/oKbuX on line 7 Warning: Undefined variable $x in /in/oKbuX on line 7 Warning: Undefined variable $x in /in/oKbuX on line 7 Warning: Undefined variable $x in /in/oKbuX on line 7 Warning: Undefined variable $x in /in/oKbuX on line 7 Fatal error: Uncaught ValueError: max(): Argument #1 ($value) must contain at least one element in /in/oKbuX:7 Stack trace: #0 /in/oKbuX(7): max(Array) #1 {main} thrown in /in/oKbuX on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Notice: Undefined variable: x in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7
Output for 7.3.32 - 7.3.33
Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7 Warning: max(): Array must contain at least one element in /in/oKbuX on line 7
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/oKbuX on line 7
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/oKbuX on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oKbuX on line 7
Process exited with code 255.
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