How to remove the last character of a string in php

The way PHP removes the last character from a string is through the substr() function. The substr() function can return a part of a string. Function syntax: [substr(string, start, length)], if it fails, it returns FALSE.

php Deleting the last character of the string can be achieved through the substr() function and sublen() function.

(Recommended tutorial: php tutorial)

Related function introduction:

substr() function:

substr () function returns a portion of a string.

Syntax:

substr(string,start,length)

Return value:

Returns the extracted part of the string, returns FALSE if it fails, or returns an empty string.

Code implementation:

<?php
$str = "1,2,3,4,5,6,"; 
$newstr = substr($str,0,strlen($str)-1); 
echo $newstr; //echo 1,2,3,4,5,6
?>

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