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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 $str;
Output for 8.1.24 - 8.1.28, 8.2.11 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Notice: Only variables should be passed by reference in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /in/VVLNj:3 Stack trace: #0 /in/VVLNj(3): implode('1') #1 {main} thrown in /in/VVLNj on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Notice: Only variables should be passed by reference in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /in/VVLNj:3 Stack trace: #0 /in/VVLNj(3): implode('1') #1 {main} thrown in /in/VVLNj on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.23, 8.2.0 - 8.2.10
Notice: Only variables should be passed by reference in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Warning: {closure}(): Argument #2 ($k) must be passed by reference, value given in /in/VVLNj on line 3 Fatal error: Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given in /in/VVLNj:3 Stack trace: #0 /in/VVLNj(3): implode('1') #1 {main} thrown in /in/VVLNj on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 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/VVLNj on line 3 Warning: implode(): Argument must be an array in /in/VVLNj on line 3
Output for 7.3.32 - 7.3.33
Warning: implode(): Argument must be an array in /in/VVLNj on line 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Only variables should be passed by reference in /in/VVLNj on line 3 Warning: implode(): Argument must be an array in /in/VVLNj 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/VVLNj 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/VVLNj on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VVLNj on line 3
Process exited with code 255.

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