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<?php function foo($s) { return strtoupper(trim($s)); } function bar($s) { $s = trim($s); $s = strtoupper($s); return $s; } $x = " Hello! "; var_dump(foo($x)); var_dump(bar($x));
Output for git.master, git.master_jit, rfc.property-hooks
string(6) "HELLO!" string(6) "HELLO!"

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