PHP uses the trim function to remove leading and trailing spaces of strings and special character instances. the trim special character _ PHP Tutorial

PHP uses the trim function to remove leading and trailing spaces and special characters. PHP uses the trim function to remove leading and trailing spaces and special characters. This document describes how PHP uses the trim function to remove leading and trailing spaces and special characters. Use the trim function in PHP to remove leading and trailing spaces and special characters.

This example describes how PHP uses the trim function to remove leading spaces and special characters from strings. We will share this with you for your reference. The details are as follows:

The trim () function in PHP is defined as follows::

Trim (string, charlist)

Parameters are described as follows:

String is required. Specifies the string to be checked.

Charlist

Optional. Specifies which characters are deleted from the string. If omitted, all the following characters are removed:
"\ 0"-NULL
"\ T"-tab
"\ N"-line feed
"\ X0B"-vertical tab
"\ R"-Press enter
""-Space

The sample code is as follows:

 "; Echo trim ($ str," \ r (: :) ");?>

The running result is as follows:

(: @ _ @ Provides a large number of excellent scripts and materials for Download @ _ @:) @ _ @ provides a large number of excellent scripts and materials for Download @_@

I hope this article will help you with PHP programming.

The above example shows how PHP uses the trim function to remove leading and trailing spaces and special characters from strings. the content of the trim special character _ PHP Tutorial. For more information, see The PHP Chinese website (www.php1.cn )!

Examples in this article describes how PHP uses the trim function to remove leading and trailing spaces and special characters from strings. Points...