Percentage in Php


Percentage in Php

我试图在每英里$美分的基础上添加一个加价百分比,但出于某种原因,它忽略了它。我如何创建一个var,我可以输入一个整数作为百分比,并将其添加到成本中?

<?php 
$PriceofgallonGas = 2.59 ;
$precent = 50 ; 
?>

<?php
    function installVanFuel() {
        global $PriceofgallonGas,$precent;
        $TankMiles = 254;   
        $SizeofTankinGallons = 31;
        $mpg = $TankMiles / $SizeofTankinGallons;
        $markup = (1 + $percent/100);
        $centsPerMile = $PriceofgallonGas/$mpg;  
        echo round($centsPerMile*$markup, 2); 
    }
?>  

您有拼写错误,请检查。

$markup = (1 + $percent/100);中,您未拼写出变量$percent

$PriceofgallonGas = 2.59 ;
$precent = 50 ; 
function installVanFuel() { 
    global $PriceofgallonGas, $precent;
    $TankMiles = 254;   
    $SizeofTankinGallons = 31;
    $mpg = $TankMiles / $SizeofTankinGallons;
    $markup = (1 + $precent/100);
    $centsPerMile = $PriceofgallonGas/$mpg;  
    echo round($centsPerMile*$markup, 2)." Cents x ".$precent."%"; //0.47 Cents x 50%
}
installVanFuel();