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<?php // $factor = 10; // $nums = array_map(fn($n) => $n * $factor, [1, 2, 3, 4]); // print_r($nums); fn($n) => echo 'test';
Output for 7.4.0 - 7.4.12
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/fR19Q on line 7
Process exited with code 255.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.24
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/fR19Q on line 7
Process exited with code 255.

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