3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function vassertf($format, array $args) { return (bool) @vsprintf($format, $args); } var_dump(vassertf('Too many %s placeholders %s', ['foo'])); var_dump(vassertf('Not enough placeholders', ['foo'])); var_dump(vassertf('Correct number of %s placeholders', ['foo']));
based on uavss
Output for 5.4.0 - 7.1.0
bool(false) bool(true) bool(true)
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sdIPN on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/sdIPN on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/sdIPN 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_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/sdIPN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/sdIPN on line 3
Process exited with code 255.