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This function redirects the user to another page. It uses PHP’s header function to send a ‘Location’ HTTP header with…

This function converts a string to title case. It first converts the entire string to lowercase using strtolower, then uses…

This function checks if a value exists in an array. It uses PHP’s in_array function which checks if a value…

This function checks if an array is associative. It compares the array’s keys with a range of integers from 0…

This function returns the first element of an array. It uses PHP’s reset function which sets the internal pointer of…

This function returns the current page URL. It concatenates the server’s host name and the request URI from PHP’s superglobal…

This function generates a random string of a specified length. It uses str_shuffle to randomize a string of all alphanumeric…

This function checks if a given string contains another string. It uses PHP’s strpos function which returns the position of…

This function checks if a given string ends with another string. It uses substr to get the ending part of…