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<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); $str = implode('', array_walk(array_reverse($arr), function($v,$k){if($k%3==0)$v.=';';})); echo $str;
Output for 8.3.0 - 8.3.6
Notice: Only variables should be passed by reference in /in/heNfW on line 3 Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, true given in /in/heNfW:3 Stack trace: #0 /in/heNfW(3): implode('', true) #1 {main} thrown in /in/heNfW on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Notice: Only variables should be passed by reference in /in/heNfW on line 3 Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, bool given in /in/heNfW:3 Stack trace: #0 /in/heNfW(3): implode('', true) #1 {main} thrown in /in/heNfW on line 3
Process exited with code 255.
Output for 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 - 7.4.33
Notice: Only variables should be passed by reference in /in/heNfW on line 3 Warning: implode(): Invalid arguments passed in /in/heNfW on line 3
Output for 7.3.32 - 7.3.33
Warning: implode(): Invalid arguments passed in /in/heNfW on line 3
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
Strict Standards: Only variables should be passed by reference in /in/heNfW on line 3 Warning: implode(): Invalid arguments passed in /in/heNfW on line 3
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/heNfW on line 3
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/heNfW on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/heNfW on line 3
Process exited with code 255.
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