PHP : trim() function
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Description
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
Example - 1 :
<?php $string_name=' Welcome to w3resource.com '; $new_string=trim($string_name); echo $new_string; ?>
Output :
Welcome to w3resource.com
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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"
View the example in the browser
See also
