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<?php $a = array(1, 2, 3, 4, 5); $b = array_keys(function($i) { return $a[$i]*2; }); var_dump($b)
Output for 5.4.16
Parse error: syntax error, unexpected end of file in /in/pfXYj on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.15
Parse error: syntax error, unexpected end of file in Gkccj on line 8
Process exited with code 255.
Output for 5.3.25 - 5.3.26
Parse error: syntax error, unexpected $end in /in/pfXYj on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected $end in Gkccj on line 8
Process exited with code 255.

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184.99 ms | 1395 KiB | 51 Q