3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('\\true', false); if (\\true) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for 5.4.18
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) in /in/RiEnO on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) in /in/vXAP6 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting T_STRING in /in/vXAP6 on line 4
Process exited with code 255.
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