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run code in 150+ php & hhvm versions
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<?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 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(16) "hello foo1 world"