3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { echo "Testing: $var\n"; } class foo { var $baz = "test"; function bar( $str ) { if( is_callable( $this->baz )) { $this->baz( $str ); } } } $foo = new foo; $foo->bar("bla"); // fatal error
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined method foo::baz() in /in/GOLLd:13 Stack trace: #0 /in/GOLLd(18): foo->bar('bla') #1 {main} thrown in /in/GOLLd on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined method foo::baz() in /in/GOLLd on line 13
Process exited with code 255.
preferences:
173.12 ms | 402 KiB | 213 Q