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ucfirst( ) and ucwords( )

                 ucfirst( ) to convert the first letter of every string to uppercase, and ucwords( ) to convert the first letter of every word in the string to uppercase. These are also take one parameter and return the converted result .

ucfirst($str);

ucwords($str);
ucfirst( ) 
<?php
$str = "good morning!";
echo ucfirst($str);
?>
Output : Good morning!
ucwords( ) 
<?php
$str = "good morning!";
echo ucwords($str);
?>
Output : Good Morning!
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