3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { public function test( $in ) { foreach ( $in as $k => $v ) { global $$k; $in[$k] = $$k; $$k = $v; } return $in; } } $bar = 'bar'; $baz = 'baz'; $o = new Foo(); $replace = $o->test( array( 'bar' => 'bar1', 'baz' => 'baz1' ) ); var_dump( $bar ); var_dump( $baz ); $o->test( $replace ); var_dump( $bar ); var_dump( $baz );
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(4) "bar1" string(4) "baz1" string(3) "bar" string(3) "baz"
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/WHnjj on line 5
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/WHnjj on line 5
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/WHnjj on line 5
Process exited with code 255.