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run code in 300+ PHP versions simultaneously
<?php function __FILE__() { return 42; } $f = "__FILE__"; var_dump($f());
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '__FILE__' (T_FILE), expecting identifier (T_STRING) or '(' in /in/bjMqc on line 2
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '__FILE__' (T_FILE), expecting '(' in /in/bjMqc on line 2
Process exited with code 255.

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