3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( ${!${''} = (function(){return 'str'})()}; );
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '}', expecting ';' in /in/LKiGU on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected '}' in /in/LKiGU on line 4
Process exited with code 255.
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