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php兩數(shù)相加,最大值,最小值函數(shù)

Original 2019-05-29 23:33:31 635
abstract:<?php//聲明兩個(gè)變量$a = 10;$b = 20;//兩個(gè)整數(shù)和的函數(shù)function sum($a = 10, $b = 20){    return $a + $b;}//兩個(gè)數(shù)的最大值function max($a = 10, $b = 20){    if ($a > $b){        

<?php
//聲明兩個(gè)變量
$a = 10;
$b = 20;

//兩個(gè)整數(shù)和的函數(shù)
function sum($a = 10, $b = 20)
{
   return $a + $b;
}

//兩個(gè)數(shù)的最大值
function max($a = 10, $b = 20)
{
   if ($a > $b){
       return $a;
   }else{
       return $b;
   }
}

//兩個(gè)數(shù)的最小值
function min($a = 10, $b = 20)
{
   if ($a < $b){
       return $b;
   }else{
       return $a;
   }
}

//調(diào)用求兩數(shù)和的函數(shù)
echo sum($a, $b);
echo '<br>';

//最大值
echo max($a, $b);
echo '<br>';

//最小值
echo min($a, $b);
echo '<br>';

Correcting teacher:天蓬老師Correction time:2019-05-30 16:02:01
Teacher's summary:寫得不錯(cuò), 案例雖然簡(jiǎn)單, 但是函數(shù)的基本特征都表現(xiàn)出來(lái)了

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