Php > Strings

Case

Case

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 
?>