3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function decodeString($string){ $foo = "foo1"; $string = str_replace("foo", $foo, $string); return $string; } $foo = "hello foo world"; var_dump(decodeString($foo));
Output for 4.3.0 - 7.2.0
string(16) "hello foo1 world"