3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((!$x) = 1);
Output for 7.0.0 - 7.0.12
Parse error: syntax error, unexpected '=', expecting ',' or ')' in /in/hJ1I2 on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.27
Parse error: syntax error, unexpected '=' in /in/hJ1I2 on line 4
Process exited with code 255.

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