PHP: ltrim() function

Last update on October 04 2024 05:54:47 (UTC/GMT +8 hours)

PHP: Strip whitespace (or characters) from the beginning of a string

The ltrim() function is used to remove white spaces or other predefined characters form the left side of the string.

Version:

(PHP 4 and above)

Syntax:

ltrim(string_name, char_list)

Parameter:

Name	Description	Required / Optional	Type
string_name	The string that will be trimmed.	Required	String
char_list	Specifies which character to remove from the string. Without this parameter, the function removes the following characters. ' ' an ordinary space. "\0" - the NUL-byte. "\t" - tab. "\n" - line feed. "\x0B" - a vertical tab. "\r" - a carriage return.	Optional	String

Return value:

This function returns a string with whitespace stripped from the beginning of string_name. Without the second parameter, ltrim() will strip these characters:

Value Type: String.

Pictorial Presentation

php-string-ltrim()

Example:

<?php
$text1="w3resource.com  ";
$text2="\t\tw3resource.com";
$text3="\t\tw3resource.com\x0A";
$text4="Good Morning";
$trimmed_text=ltrim($text1);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=ltrim($text2);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=ltrim($text3);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=ltrim($text1,'w3');
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=ltrim($text4,"Go");
var_dump($trimmed_text);
?>

Output :

string(16) "w3resource.com  "
string(14) "w3resource.com" 
string(15) "w3resource.com  " 
string(14) "resource.com  " 
string(9) "d Morning"

View the example in the browser

See also

PHP Function Reference

Previous: join
Next: md5_file