The urlencode() function is an inbuilt function in PHP which is used to encode the url. This function returns a string which consist all non-alphanumeric characters except -_. and replace by the percent (%) sign followed by two hex digits and spaces encoded as plus (+) signs.
string urldecode( $input )
Parameters: This function accepts single parameter $input which is used to hold the url to be encoded.
Return Value: This function returns an encoded string on success.
Below programs illustrate the urlencode() function in PHP:
Program 2 :
https%3A%2F%2Fide.geeksforgeeks.org%2F https%3A%2F%2Fcontribute.geeksforgeeks.org%2F https%3A%2F%2Fpractice.geeksforgeeks.org%2F https%3A%2F%2Fgeeksforgeeks.org%2F