strstr Find the first occurrence of a string &reftitle.description; stringfalsestrstr stringhaystack stringneedle boolbefore_needle&false; Returns part of haystack string starting from and including the first occurrence of needle to the end of haystack. This function is case-sensitive. For case-insensitive searches, use stristr. If it is only required to determine if a particular needle occurs within haystack, the faster and less memory intensive str_contains function should be used instead. &reftitle.parameters; haystack The input string. needle The string to search for. &strings.parameter.needle.non-string; before_needle If &true;, strstr returns the part of the haystack before the first occurrence of the needle (excluding the needle). &reftitle.returnvalues; Returns the portion of string, or &false; if needle is not found. &reftitle.changelog; &Version; &Description; &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. &reftitle.examples; ]]> &reftitle.seealso; stristr strrchr strpos strpbrk preg_match