PHP uses the TRIM function to remove a string of left and right spaces and special character instances _php tips

The example in this article describes how PHP uses the Trim function to remove the left and right spaces and special characters of a string. Share to everyone for your reference, specific as follows:

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

Trim (string,charlist)

The parameter description is as follows:

String required. Specify the string to check.

Charlist

Optional. Specify which characters to remove from the string. If omitted, all of the following characters are removed:
"" "-NULL
"\ T"-tab
"\ n"-line Wrap
"\X0B"-Vertical tab
"\ r"-Carriage return
""-Space

The sample code is as follows:

<?php
 $str = "\r\r (: @_@  Cloud Habitat community provides a large number of excellent scripts and materials to download  @_@:)   ";
 echo Trim ($STR);
 echo "<br/>";
 Echo Trim ($str, "\r\r (::)");
>

The results of the operation are as follows:

(: @_@ cloud-dwelling community provides a wealth of excellent scripting and material downloads @_@:)
The @_@ cloud communities provide a wealth of excellent scripting and material downloads @_@

I hope this article will help you with the PHP program design.