3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('false', TRUE); define('FALSE', TRUE); vardump(false, FALSE);
Output for 7.0.0 - 7.1.0
Notice: Constant false already defined in /in/vLVaO on line 2 Fatal error: Uncaught Error: Call to undefined function vardump() in /in/vLVaO:4 Stack trace: #0 {main} thrown in /in/vLVaO on line 4
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Notice: Constant false already defined in /in/vLVaO on line 2 Notice: Constant FALSE already defined in /in/vLVaO on line 3 Fatal error: Call to undefined function vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 5.0.1 - 5.6.28
Notice: Constant false already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 5.0.0
Notice: Constant already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Constant false already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function: vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.6, 4.3.9 - 4.4.4
Notice: Constant false already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function: vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 4.3.7 - 4.3.8
Notice: Constant already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function: vardump() in /in/vLVaO on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Constant false already defined in /in/vLVaO on line 2 Fatal error: Call to undefined function: vardump() in /in/vLVaO on line 4