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<?php function mystr_replace($needle,$replace,$haystack){ $args = func_get_args(); $count = $args[3]; if(is_null($count)) { return str_replace($needle,$replace,$haystack); } else { return str_replace($needle,$replace,$haystack,$count); } } echo mystr_replace("fropfrop","frml","frop"); echo mystr_replace("frop","frml","frop",1);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 3 in /in/CJhcv on line 4 fropfrml

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