stripos Find the position of the first occurrence of a case-insensitive substring in a string &reftitle.description; intfalsestripos stringhaystack stringneedle intoffset0 Find the numeric position of the first occurrence of needle in the haystack string. Unlike the strpos, stripos is case-insensitive. &reftitle.parameters; haystack The string to search in. needle The string to search for. &strings.parameter.needle.non-string; offset If specified, search will start this number of characters counted from the beginning of the string. If the offset is negative, the search will start this number of characters counted from the end of the string. &reftitle.returnvalues; Returns the position of where the needle exists relative to the beginning of the haystack string (independent of offset). Also note that string positions start at 0, and not 1. Returns &false; if the needle was not found. &return.falseproblem; &reftitle.changelog; &Version; &Description; &strings.changelog.ascii-case-folding; &strings.changelog.needle-empty; 8.0.0 Passing an &integer; as needle is no longer supported. 7.3.0 Passing an &integer; as needle has been deprecated. 7.1.0 Support for negative offsets has been added. &reftitle.examples; ]]> &reftitle.notes; ¬e.bin-safe; &reftitle.seealso; mb_stripos str_contains str_ends_with str_starts_with strpos strrpos strripos stristr substr str_ireplace