3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class MyClass {} function f() { $c = new MyClass(); $s = 'MyClass'; if ($c instanceof $s) { echo "yes1\n"; } else { echo "no1\n"; } $s = new stdClass(); $s->s = 'MyClass'; if ($c instanceof $s->s) { echo "yes2\n"; } else { echo "no2\n"; } $s = 'My'; if ($c instanceof $s.'Class') { // Not what you think -- ($c instanceof $s).'Class' echo "yes3\n"; } else { echo "no3\n"; } } f();
based on 8aYFf
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
yes1 yes2 yes3
Output for 5.0.0 - 5.0.5
yes1 yes2 Fatal error: Class 'My' not found in /in/s44m5 on line 26
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/s44m5 on line 10
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_STRING in /in/s44m5 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/s44m5 on line 10
Process exited with code 255.