<?php //all uppercase letters print(strtoupper("the quick brown fox jumps over the lazy dog.<br>")); //all lowercase letters print(strtolower("THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG<br>")); // make a string's first character uppercase print(ucfirst("the quick brown fox jumps over the lazy dog.<br>")); // make a string's first character of all the words uppercase print(ucwords("the quick brown fox jumps over the lazy dog.<br>")); ?> - See more at: http://www.w3resource.com/php-exercises/php-string-exercises.php#sthash.9bO3CwzA.dpuf
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