php计算税后工资的方法

文章主要介绍了php计算税后工资的方法,涉及php流程控制及数学运算的'相关技巧,比较简单实用,需要的朋友可以参考下.

本文实例讲述了php计算税后工资的方法。分享给大家供大家参考。具体如下：

税前 税后

5000 3985

8000 6215

11000 8295

14000 10215

17000 12080

20000 13880

23000 15680

26000 17480

29000 19280

32000 21080

35000 22880

38000 24680

41000 26480

44000 28280

47000 30080

50000 31805

<?php

function after_sleep($salary,$housefund_ratio=0.1,$person_insurance_ratio=.08,$medical_insurance_ratio=.04)

{

$base = 3500;

$housefund = $salary * $housefund_ratio; //.10 .8

$person_insurance = $salary * $person_insurance_ratio;

$medical_insurance = $salary * $medical_insurance_ratio;

$insurance=($housefund + $person_insurance +$medical_insurance);

if ($salary - $insurance < $base ){

return $salary - $insurance;

}

$taxable_income= ($salary - $insurance -$base );

if ($taxable_income <=1500 ){

$ratio = .03;

$deduct = 0;

}else if ($taxable_income > 1500 && $taxable_income <=4500) {

$ratio = .1;

$deduct = 105;

}else if ($taxable_income > 4500 && $taxable_income <=9000) {

$ratio = .2;

$deduct = 555;

} else if ($taxable_income > 9000 && $taxable_income <= 35000) {

$ratio = .25;

$deduct = 1005;

} else if ($taxable_income > 35000 && $taxable_income <= 55000) {

$ratio = .3;

$deduct = 2755;

}

$tax = $taxable_income * $ratio-$deduct;

$money = $salary -$insurance-$tax;

return $money;

}

echo "税前t税后n";

for ($i=5000;$i<=50000;$i+=3000)

echo $i,"t",after_sleep($i,.08),"n";