3v4l.org

run code in 300+ PHP versions simultaneously
<?php function \x7f() { echo "lolwut"; } (); eval(" echo (); "); ?>
Output for 7.0.0
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) or '(' in /in/t0WKb 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 '\' (T_NS_SEPARATOR), expecting '(' in /in/t0WKb on line 2
Process exited with code 255.
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161.98 ms | 1395 KiB | 24 Q