PHP: trim() function

Last update on October 04 2024 11:04:22 (UTC/GMT +8 hours)

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

The trim() function is used to remove the white spaces and other predefined characters from the left and right sides of a string.

Version:

(PHP 4 and above)

Syntax:

trim(string_name, char_list)

Parameters:

Name	Description	Required / Optional	Type
string_name	The string to be trimmed.	Required	String
char_list	Specifies the character(s) to remove. Without this remove the following " " an ordinary space. "\0" - the NUL-byte. "\t" - tab. "\n" - line feed. "\x0B" - a vertical tab. "\r" - a carriage return.	Optional	String

Return value:

The trimmed string.

Value Type: String.

Pictorial Presentation

string_trim

Example - 1:

<?php
$string_name=' Welcome to w3resource.com ';
$new_string=trim($string_name);
echo $new_string;
?>

Output:

Welcome to w3resource.com

Example - 2 :

<?php
$string_name="	Welcome to w3resource.com";
$new_string=trim($string_name,"\t");
//echo $new_string;
var_dump($new_string);
?>

Output :

string(25) "Welcome to w3resource.com"

See also

PHP Function Reference

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