3v4l.org

run code in 300+ PHP versions simultaneously
<?php //namespace Foo; const \TRUE=false; if (TRUE) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) in /in/ljFoT on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting T_STRING in /in/ljFoT on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/ljFoT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/ljFoT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ljFoT on line 3
Process exited with code 255.
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200.66 ms | 1395 KiB | 98 Q