Instead of detailing all the possible string functions you can use, we'll just give you a brief list. (There's loads of them!) There's an example of how to use each string function, if you click on the links below. Just dip in to them as and when needed.
chr( ) Convert an ASCII value to a its equivalent character
ord( ) Find out what the ASCII value of a character is
echo( ) An alternative to the print statement
similar_text( ) Tells you how similar two strings of text are
str_repeat( ) Repeat a character a specified number of times
str_replace( ) Replace one string with another
str_word_count( ) Tells you how many words a string has
strlen( ) Gets the length of a string
substr( ) Grab a number of character from a string
Some more examples of string functions can be found on these external sites:
In the next section, we'll take a look at PHP Functions: what they are, and how to create your own.