本文主要向大家介绍了PHP语言 18.4.20，通过具体的内容向大家展示，希望对大家学习php语言有所帮助。

数组求和比大小

<meta charset="utf-8">

<form action="mysql.php" method="get">

    数组a:<input type="text" name="a">

    <br>

    <br>

    数组b:<input type="text" name="b">

    <br>

    <br>

    <input type="submit" name="提交">

    <input type="reset" name="充值">

</form>

<?php

    $a = $_GET["a"];

    $b = $_GET["b"];

    $targetA = explode(",", $a);

    $targetB = explode(",", $b);

    $sumA = 0;

    $sumB = 0;

    for ($i=0; $i < count($targetA); $i++) {

        $sumA += $targetA[$i];

    }

    for ($i=0; $i < count($targetB); $i++) {

        $sumB += $targetB[$i];

    }

    if ($sumA > $sumB) {

        echo "a > b";

    }elseif($sumA < $sumB){

        echo "a < b";

}?>

<meta charset="utf-8">

<?php

$information = array(

    array(1,'Tom','male','86929902'),

    array(2,'Lily','female','86929903'),

    array(3,'Rose','female','86929901'),

    array(4,'Jason','female','86929904')

);

echo '<table border="1">';

echo "<tr>";echo "<th>学号</th>";echo "<th>姓名</th>";echo "<th>性别</th>";echo "<th>电话</th>";echo "</tr>";for ($i=0; $i < count($information); $i++) {

    echo "<tr>";

    for ($j=0; $j < 4; $j++) {

        echo "<td>";

        echo $information[$i][$j];

        echo "</td>";

    }

    echo "</tr>";

}echo '</table>';

?>

<meta charset="utf-8">

<?phpclass Student{

    public $id;

    public $name;

    public $gender;

    public $phone;  

}

$tom = new Student();

$tom -> id = 1;

$tom -> name = 'Tom';

$tom -> gender = 'male';

$tom -> phone = '86929902';

$lily = new Student();

$lily -> id = 2;

$lily -> name = 'Lily';

$lily -> gender = 'female';

$lily -> phone = '86929903';

$rose = new Student();

$rose -> id = 3;

$rose -> name = 'Rose';

$rose -> gender = 'female';

$rose -> phone = '86929901';

$jason = new Student();

$jason -> id = 4;

$jason -> name = 'Jason';

$jason -> gender = 'male';

$jason -> phone = '86929904';

$table = array($tom,$lily,$rose,$jason);

echo '<table border="1">';

echo "<tr>";echo "<th>学号</th>";echo "<th>姓名</th>";echo "<th>性别</th>";echo "<th>电话</th>";echo "</tr>";

for ($i=0; $i < count($table); $i++) {

     echo "<tr>";

     echo "<td>";

     echo  $table[$i] -> id;

     echo "</td>";

     echo "<td>";

     echo $table[$i] -> name;

     echo "</td>";

     echo "<td>";

     echo $table[$i] -> gender;

     echo "</td>";

     echo "<td>";

     echo $table[$i] -> phone;

     echo "</td>";

     echo "</tr>";

}

echo '</table>';?>

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