3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class X { } $x = new X(); var_dump(is_a($x, 'X')); var_dump(is_a($x, 'Y')); var_dump(is_numeric($x));
Output for 4.3.0 - 4.4.9, 5.3.0 - 7.1.0
bool(true) bool(false) bool(false)
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/iHDPt on line 6 bool(true) Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/iHDPt on line 7 bool(false) bool(false)