3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $empty = empty(-1); echo $empty;
based on DFaYI
Output for 5.5.24 - 7.1.0
Output for 5.3.0 - 5.4.45
Parse error: syntax error, unexpected '-' in /in/vQuLF on line 2
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected '-', expecting T_STRING or T_VARIABLE or '$' in /in/vQuLF on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '-', expecting T_STRING or T_VARIABLE or '$' in /in/vQuLF on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '-', expecting T_VARIABLE or '$' in /in/vQuLF on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '-', expecting T_VARIABLE or '$' in /in/vQuLF on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/vQuLF on line 2
Process exited with code 255.