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<?php $s = "hé \r\n\t\xC2\xA0"; var_dump($s); var_dump(trim($s)); var_dump(preg_replace('/^\s+|\s+$/', '', $s)); var_dump(preg_replace('/^\s+|\s+$/u', '', $s));
Output for git.master, git.master_jit, rfc.property-hooks
string(9) "hé  " string(9) "hé  " string(9) "hé  " string(3) "hé"

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