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Make a string's first character uppercase
<?php
$foo = 'hello world!';
$foo = ucfirst($foo); // Hello world!
$bar = 'HELLO WORLD!';
$bar = ucfirst($bar); // HELLO WORLD!
$bar = ucfirst(strtolower($bar)); // Hello world!
?>
Uppercase the first character of each word in a string
<?php
$foo = 'hello world!';
$foo = ucwords($foo); // Hello World!
$bar = 'HELLO WORLD!';
$bar = ucwords($bar); // HELLO WORLD!
$bar = ucwords(strtolower($bar)); // Hello World!
?>
Make a string uppercase
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtoupper($str);
print $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>
Make a string lowercase
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str);
print $str; // Prints mary had a little lamb and she loved it so
?>
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Arrays (4)
Case
