![]() if (strpos('string with lots of words', 'words') != false) Example: PHP 7. This function returns the position of the needle string, or it returns false if the string needle is not found. addslashes () Returns a string with backslashes in front of predefined characters. Also note that string positions start at 0, and not 1. If the substring is not found it returns false. ![]() The strpos() function returns the position of the first occurrence of a substring in a string. addcslashes () Returns a string with backslashes in front of the specified characters. You can use the PHP strpos() function to check whether a string contains a specific word or not. No installation is required to use these functions. Use the operators or to differ FALSE from 0 in PHP. The PHP string functions are part of the PHP core. It will return the position where it was found, otherwise will return FALSE. In PHP 7.x, strops() function is used to check if a given string contains another string or not. You can use strpos() or stripos() to check if the string contain the given needle. Note: The above program returns false because the first string does not contain the second string. Output string(23) "Tutorial has been found" Note that while PHP's isint() checks if the type of variable is an integer, on the contrary the other standard PHP function isnumeric() determines very accurately if the contents of the variable (i.e. str_contains(string $haystack, string $needle): bool Example1 : PHP 8 str_contains function. The str_contains function checks if a first-string is contained in the second string and it returns a true /false Boolean value based on whether the string is found or not. In PHP 8, str_contains function determines if a string contains a given substring anywhere.
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