Answers for "how to capitalize letter in php"

string first letter uppercase php

<?php
$foo = 'hello world!';
$foo = ucfirst($foo);             // Hello world!

$bar = 'HELLO WORLD!';
$bar = ucfirst($bar);             // HELLO WORLD!
$bar = ucfirst(strtolower($bar)); // Hello world!
?>

php words capitalized

/* 
	This only Capitalizes words in a string that are entirely alphabetic 
    and other words are made UPPERCASE
    Works well if you have a string  of words containing a mixture
    of English words and part codes etc
*/ 
$words = explode(" ", $originalString);
$finalString = "";
	foreach($words as $word) {
		if(ctype_alpha($word)) {
			$word = ucfirst(strtolower($word));
		}
		else {
			$word = strtoupper($word);
		}
		$finalString .= $word." ";
	}
echo rtrim($finalString);