How to convert decimal point to percentage in php

How to convert decimal point to percentage in php: 1. Use the "*" operator to multiply the decimal by 100, and the syntax "decimal * 100" can convert the decimal into a percentage; 2. Use a string The splicing character "." can splice the percentage value and the "%" character together to form a percentage string. The syntax is "percent value."%"".

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

If you want to convert the decimal point to a percentage, we first You need to understand the composition of percentages, for example: 20% (0.2), 30% (0.3), 102% (1.02)

The percentage value can be divided into two parts: the percentage value and "%" character; and the percentage value can be obtained by multiplying the decimal by 100.

Therefore, PHP can convert the decimal point into a percentage as follows:

• Use the "*" operator to multiply the decimal by 100 to get the percentage value

• Use the string splicing character "." to splice the percentage value and the "%" character together

Implementation example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
echo (0.2*100)."%"."<br>";
echo (0.3*100)."%"."<br>";
echo (0.4*100)."%"."<br>";
echo (0.5*100)."%"."<br>";
echo (1.02*100)."%"."<br>";
?>

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