How to convert decimal to percent sign in php

How to convert decimals to percent signs in php: 1. Create a PHP sample file; 2. Round the decimals through "round(5.055, 2);"; 3. Through "$str."%" ;" method to convert decimals into percentages.

The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

php How to convert decimal to percent sign?

PHP percent sign to decimal, php decimal conversion percentage function

PHP percent sign to decimal conversion:

<?php 
$a = "20.544545%"; 
echo (float)$a/100; 
?>

php decimal conversion percentage function:

function xx($n) 
{ 
return $n*100.'%'; 
}

If there are requirements for the number of digits in novels

sprintf("%01.2f", $n*100).'%';

Round first, then convert

$str=round(5.055, 2); // 5.06 
$str1=$str."%"; //5.06%

Recommended study: "PHP Video Tutorial"

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