If you were a cat, string functions would be the cat's meow, all puns intended. Besides being a large part of your PHP code, they provide much of the functionality to identify and alter your data into other formats, such as arrays
addslashes($string)
Adds backslashes (escape string) to items within $string to make it safe for database queries. Effects single quotes ( ' ), double quotes ( " ), backslashes ( \ ), and the NUL byte.
Example:$string = ' Tom said, "Marcus is mad!"'; echo $string; $string = addslashes($string); echo $string; Tom said, "Marcus is mad!" Tom said, \"Marcus is mad!\" See Also: get_magic_quotes_gpc – Server setting for automatically applying addslashes to GET/POST/COOKIE data stripslashes() – Remove the backslashes created by addslashes() stripslashes($string) Removes backslashes (escape string) from items within $string added throughaddslashes() or magic_quotes_gpc.Example:
$string = ' Tom said, "Marcus is mad!"'; $string = addslashes($string); echo $string; $string = stripslashes($string); echo $string; Tom said, \"Marcus is mad!\" Tom said, "Marcus is mad!"