mb_strrichr Finds the last occurrence of a character in a string within another, case insensitive &reftitle.description; stringmb_strrichr stringhaystack stringneedle boolpartfalse stringencoding mb_strrichr finds the last occurrence of needle in haystack and returns the portion of haystack. Unlike mb_strrchr, mb_strrichr is case-insensitive. If needle is not found, it returns &false;. &reftitle.parameters; haystack The string from which to get the last occurrence of needle needle The string to find in haystack part Determines which portion of haystack this function returns. If set to &true;, it returns all of haystack from the beginning to the last occurrence of needle. If set to &false;, it returns all of haystack from the last occurrence of needle to the end, encoding Character encoding name to use. If it is omitted, internal character encoding is used. &reftitle.returnvalues; Returns the portion of haystack. or &false; if needle is not found. &reftitle.seealso; mb_stristr mb_strrchr