Capitalize First Letter Of Each Word In A String

[pedroz]

How can I minimize first letter of each word in a string with a lower version than PHP 5.3?
[edited]

I can do it, but only with lcfirst (PHP 5 >= 5.3.0)

function lcallfirst($string)
{
$string=explode(" ",$string);
$i=0;
while($i<count($string))
{$string[$i]=lcfirst($string[$i]);
$i++;}
return implode(" ",$string);
} 

[samuelcook]

ucwords($str)

http://php.net/manual/en/function.ucwords.php

[pedroz]

• wrong question, sorry.
  goal is to do the opposite, is putting the first letter in lowercase only!
  already edited and changed!

[samuelcook]

function lcallfirst($string){
	$string=explode(" ",$string);
	foreach($string as $word)
		$return[]=substr(strtolower($word),0,1).substr($word,1);
	return join(" ",$return);
}

$str = "This Is STRING";
$str = lcallfirst($str);
echo $str;

[johanafm]

First off, running strtolower on a string and then taking its substring, rather than taking the substr and running strtolower on this is unnecessary work.
Secondly, since we only need to deal with one character, substr is also unnecessary work, since you can reference a character in a string by its index in the string.

So I would change the line doing the text transformation to

$return[]= strtolower($word[0]) . substr($word,1);