php man page for lcfirst

LCFIRST(3)								 1								LCFIRST(3)

lcfirst - Make a string's first character lowercase

SYNOPSIS
       string lcfirst (string  $str)

DESCRIPTION
	Returns a string with the first character of $str , lowercased if that character is alphabetic.

	Note  that  'alphabetic' is determined by the current locale. For instance, in the default "C" locale characters such as umlaut-a (a) will
       not be converted.

PARAMETERS
	      o $str
		- The input string.

RETURN VALUES
	Returns the resulting string.

EXAMPLES
       Example #1

	      lcfirst(3) example

	      <?php
	      $foo = 'HelloWorld';
	      $foo = lcfirst($foo);		// helloWorld

	      $bar = 'HELLO WORLD!';
	      $bar = lcfirst($bar);		// hELLO WORLD!
	      $bar = lcfirst(strtoupper($bar)); // hELLO WORLD!
	      ?>

SEE ALSO
       ucfirst(3), strtolower(3), strtoupper(3), ucwords(3).

PHP Documentation Group 														LCFIRST(3)