strstr Find first occurrence of a string &reftitle.description; stringstrstr stringhaystack mixedneedle boolbefore_needlefalse Returns part of haystack string from the first occurrence of needle to the end of haystack. This function is case-sensitive. For case-insensitive searches, use stristr. If you only want to determine if a particular needle occurs within haystack, use the faster and less memory intensive function strpos instead. &reftitle.parameters; haystack The input string. needle If needle is not a string, it is converted to an integer and applied as the ordinal value of a character. before_needle If &true;, strstr returns the part of the haystack before the first occurrence of the needle. &reftitle.returnvalues; Returns the portion of string, or &false; if needle is not found. &reftitle.changelog; &Version; &Description; 5.3.0 Added the optional parameter before_needle. 4.3.0 strstr was made binary safe. &reftitle.examples; <function>strstr</function> example ]]> &reftitle.seealso; preg_match stristr strpos strrchr substr