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mb_strstr () finds the first occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns false.
Mar 28, 2023 · The mb_strstr () function is an inbuilt function in PHP that finds the first occurrence of a given string in the main string, i.e. it will search for the occurrence of the first needle in haystack, & id found then the portion of the haystack will be returned, otherwise return false.
PHP 5 >= 5.2.0, PHP 7, PHP 8 mb_strstr - Finds first occurrence of a string within another Mb Strstr Online Tool Manual Code Examples
mb_strstr Supported Versions: PHP 5 >= 5.2.0, PHP 7, PHP 8 Finds first occurrence of a string within another
mb_strstr () finds the first occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns false.
The mb_strstr function searches for the first occurrence of a substring in a string with multibyte encoding support. The first parameter is the string to search in.
Note that some of the multi-byte functions run in O(n) time, rather than constant time as is the case for their single-byte equivalents. This includes any functionality requiring access at a specific index, since random access is not possible in a string whose number of bytes will not necessarily match the number of characters. Affected functions include: mb_substr(), mb_strstr(), mb_strcut ...
