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run code in 150+ php & hhvm versions
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<?php //all uppercase letters print(strtoupper("the quick brown fox jumps over the lazy dog./n")); //all lowercase letters print(strtolower("THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG")); // make a string's first character uppercase print(ucfirst("the quick brown fox jumps over the lazy dog.")); // make a string's first character of all the words uppercase print(ucwords("the quick brown fox jumps over the lazy dog.")); ?>
Output for 4.3.0 - 7.1.0
THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG./Nthe quick brown fox jumps over the lazy dogThe quick brown fox jumps over the lazy dog.The Quick Brown Fox Jumps Over The Lazy Dog.