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<?php $text='Hello. I have two dots. Please replace them!'; echo IHateStrReplace(".","_",$text); function IHateStrReplace($replace_from,$replace_to,$input) { $result=""; for($i=0;$i<strlen($input);$i++) { $result.= $input[$i]; } return $result; }
Output for git.master, git.master_jit, rfc.property-hooks
Hello. I have two dots. Please replace them!

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