PHP LTrim (), RTrim () and trim () delete character spaces case _php tips

This article describes the method of LTrim (), RTrim () and trim () deletion of the word spaces in PHP. Share to everyone for your reference. The specific analysis is as follows:

The trim function in PHP can not be the same as the ASP, the automatic deletion of all spaces, PHP professional provides the RTrim () trim () function, interested in this friend can refer to.

The PHP instance code is as follows:

Copy Code code as follows:

<?php
$str = "Remove before and after space";
echo "is the original string in square brackets: [". $str. "] <br> ";
echo "Original string length:". strlen ($STR). <br> ";
$str 1=ltrim ($STR);
echo the length after LTrim (): ". strlen ($str 1)." <br> ";
$str 2=rtrim ($STR);
echo the length after RTrim (): ". strlen ($str 2)." <br> ";
$str 3=trim ($STR);
Echo executes the length after trim (): ". strlen ($str 3)." <br> ";
echo "Removes the string after the trailing space: [". $str 3. "]";
?>

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