3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { public function test( self $arg = null ){ echo get_class( $arg ) . "\n"; echo is_null( $arg ); } } $foo = new Foo(); $bar = new Foo(); $foo->test( $bar ); $foo->test();
Output for 5.3.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Foo Foo 1
Output for 5.3.0
Foo Warning: get_class() expects parameter 1 to be object, null given in /in/TP5AV on line 5 1
Output for 5.1.0 - 5.2.17
Foo 1
Output for 5.0.0 - 5.0.5
Foo Fatal error: Argument 1 must not be null in /in/TP5AV on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/TP5AV on line 4
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/TP5AV on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/TP5AV on line 4
Process exited with code 255.