trim() function in PHP

The trim() function is used to remove whitespaces and other characters.

Syntax

trim(str, charlist):

Parameters

• str − Specify the string to check.

• charlist − Specifies which characters to remove. If this parameter isn’t used, then any of the following characters are removed −

  • "\0" - NULL

  • "\t" - tab

  • "
    " - new line

  • "\x0B" - vertical tab

  • "\r" - carriage return

Return

The trim() function returns the modified string.

Example

The following is an example −

 Live Demo

<?php
   $str = "

Demo text!

";
   echo "Trim: " . trim($str);
?>

Output

The following is the output −

Trim: Demo text!

Example

Let us see another example −

 Live Demo

<?php
   $mystr = "Demo text!";
   echo trim($mystr, "Dam!");
?>

Output

The following is the output −

emo text

karthikeya Boyini

I love programming (: That's all I know

Updated on: 26-Dec-2019

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