3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hours = '0.0'; var_dump(empty((float) $hours));
Output for 5.5.24 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '(float)' (double) (T_DOUBLE_CAST) in /in/P9WfJ on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_DOUBLE_CAST in /in/P9WfJ on line 3
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_DOUBLE_CAST, expecting T_STRING or T_VARIABLE or '$' in /in/P9WfJ on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_DOUBLE_CAST, expecting T_STRING or T_VARIABLE or '$' in /in/P9WfJ on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_DOUBLE_CAST, expecting T_VARIABLE or '$' in /in/P9WfJ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_DOUBLE_CAST, expecting T_VARIABLE or '$' in /in/P9WfJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/P9WfJ on line 3
Process exited with code 255.