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<?php $a = array(1, 2, 3, 4, 'a', 'b'); foreach ($a as &$value) { $value *= 2; } unset($value); print_r($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: string * int in /in/Y0nb2:4 Stack trace: #0 {main} thrown in /in/Y0nb2 on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/Y0nb2 on line 4 Warning: A non-numeric value encountered in /in/Y0nb2 on line 4 Array ( [0] => 2 [1] => 4 [2] => 6 [3] => 8 [4] => 0 [5] => 0 )
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
Array ( [0] => 2 [1] => 4 [2] => 6 [3] => 8 [4] => 0 [5] => 0 )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/Y0nb2 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
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/Y0nb2 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/Y0nb2 on line 3
Process exited with code 255.
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232.69 ms | 401 KiB | 357 Q