How to remove the last few characters from a string in php

How to remove the last few characters in a string in php: You can use the substr() function to achieve this. The substr() function can return the extracted part of the string, return FALSE if it fails, or return an empty string, such as: [substr("Hello world",0,10)].

The substr() function returns the extracted portion of the string, FALSE if failed, or an empty string.

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Syntax:

substr(string,start,length)

Note: If the start parameter is a negative number and length is less than or equal to start, Then length is 0.

Parameters:

• string Required. Specifies a part of the string to be returned.​

• #start Required. Specifies where in the string to begin.

• #length Optional. Specifies the length of the string to be returned. The default is until the end of the string.

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Code sample:

<?php
echo substr("Hello world",0,10)."<br>";
echo substr("Hello world",1,8)."<br>";
echo substr("Hello world",0,5)."<br>";
echo substr("Hello world",6,6)."<br>";
echo substr("Hello world",0,-1)."<br>";
echo substr("Hello world",-10,-2)."<br>";
echo substr("Hello world",0,-6)."<br>";
echo substr("Hello world",-2-3)."<br>";
?>

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