Frequently Asked Questions
PHP! Hypertext Preprocessor FAQ:
Convert a string to lowercase?
strtolower() converts all uppercase alphabetical characters within a string to their lowercase equivalents.
Version PHP 3+, PHP 4+
Example
Convert a block of text to lowercase:
$emailaddress = "InFo@domainname.com";
echo strtolower($emailaddress);
Output:
info@domainname.com
