PHP strstr() is an inbuilt function that searches for a 1st occurrence of the string inside another string. The strstr() function is case-sensitive.
PHP strstr() is an inbuilt function that searches for a 1st occurrence of the string inside another string. The strstr() function is case-sensitive. For a case-insensitive search, you can use the stristr() function. The function returns the rest of a string (from the matching point), or FALSE, if a string to search for is not found inside another string.
The strstr() function is a binary-safe function, which means a function that can perform on binary files without modifying the content of the file.
The syntax of the strstr() function is the following.
strstr(string, search, before_search)
The string parameter is required, and it tells the string to search.
The search parameter is required and specifies the string to search for.
The before_search parameter is optional. The boolean value whose default is “false“. If it is set to “true”, it returns a part of the string before a first occurrence of the search parameter.
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