(PHP 4, PHP 5)
ltrim — Strip whitespace (or other characters) from the beginning of a string
$str
   [, string $character_mask
  ] )Strip whitespace (or other characters) from the beginning of a string.
strThe input string.
character_mask
       You can also specify the characters you want to strip, by means of the
       character_mask parameter.
       Simply list all characters that you want to be stripped. With
       .. you can specify a range of characters.
      
   This function returns a string with whitespace stripped from the
   beginning of str.
   Without the second parameter,
   ltrim() will strip these characters:
   
   
Example #1 Usage example of ltrim()
<?php
$text = "\t\tThese are a few words :) ...  ";
$binary = "\x09Example string\x0A";
$hello  = "Hello World";
var_dump($text, $binary, $hello);
print "\n";
$trimmed = ltrim($text);
var_dump($trimmed);
$trimmed = ltrim($text, " \t.");
var_dump($trimmed);
$trimmed = ltrim($hello, "Hdle");
var_dump($trimmed);
// trim the ASCII control characters at the beginning of $binary
// (from 0 to 31 inclusive)
$clean = ltrim($binary, "\x00..\x1F");
var_dump($clean);
?>
The above example will output:
string(32) " These are a few words :) ... " string(16) " Example string " string(11) "Hello World" string(30) "These are a few words :) ... " string(30) "These are a few words :) ... " string(7) "o World" string(15) "Example string "