99乘法表

时间:2014-07-22 14:48来源: 作者: 点击: 次

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各种循环输出99乘法表。

<?php
for($i = 1; $i <= 9; $i++){
    for($j = 1; $j <= $i; $j++){
        echo $i .'*'. $j .'='. $i*$j .'&nbsp;';
    }
    echo "<br/>";
}

2. [代码]while教科书写法跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

$i=1;
$j=1;
while($i<10){
    echo "{$j}*{$i}=".$i*$j.' ';
    if($i==$j){
        echo "<br/>";
        $j=1;
        $i++;
    }else{
        $j++;
    }
}

3. [代码]for里边俩游标跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

<?php
function test(){  
    for($i=1, $j=1; $j<=9; $i++){  
        echo $i . "x" . $j . "=" . $i * $j . " ";  
       if($i == $j){  
            $i = 0;  
            $j++;  
            echo '<br />';  
        }  
    }  
} 

test();
?>

4. [代码]文青程序员跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

<?php
$tpl="AX%d=A ";
$p='/((A)X(\d+)=(A))/e';
for ($i=1;$i<=9;$i++) {
    $j=1;
    $s=str_repeat(sprintf($tpl,$i),$i);
    preg_replace($p,'printf("%dX%s=%d\t",$j,"\\3",\\3*($j++));',$s);
    echo "\n";
}

5. [代码]苦力跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

$arr = array(
    9,8,7,6,5,4,3,2,1,
    8,7,6,7,4,3,2,1,
    7,6,5,4,3,2,1,
    6,5,4,3,2,1,
    5,4,3,2,1,
    4,3,2,1,
    3,2,1,
    2,1,
    1,
);
$m=0;
foreach($arr as $v) {
    if($m < $v) {
        echo " <br /> \n";
        $m = $v;
    }
    echo "$m * $v = " . ($m * $v) . " ";
    if($v==1) {
        $m = 0;
    }
}

6. [代码]2B 跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

$table = "1 * 1 = 1  \n1 * 2 = 2  2 * 2 = 4  \n1 * 3 = 3  2 * 3 = 6  3 * 3 = 9  \n1 * 4 = 4  2 * 4 = 8  3 * 4 = 12  4 * 4 = 16  \n1 * 5 = 5  2 * 5 = 10  3 * 5 = 15  4 * 5 = 20  5 * 5 = 25  \n1 * 6 = 6  2 * 6 = 12  3 * 6 = 18  4 * 6 = 24  5 * 6 = 30  6 * 6 = 36  \n1 * 7 = 7  2 * 7 = 14  3 * 7 = 21  4 * 7 = 28  5 * 7 = 35  6 * 7 = 42  7 * 7 = 49  \n1 * 8 = 8  2 * 8 = 16  3 * 8 = 24  4 * 8 = 32  5 * 8 = 40  6 * 8 = 48  7 * 8 = 56  8 * 8 = 64  \n1 * 9 = 9  2 * 9 = 18  3 * 9 = 27  4 * 9 = 36  5 * 9 = 45  6 * 9 = 54  7 * 9 = 63  8 * 9 = 72  9 * 9 = 81  \n";

do {
    printf("%s", $table);
} while (0);

7. [代码]老夫蛋疼了写的跳至 [1] [2] [3] [4] [5] [6] [7] [全屏预览]

<?php
for ($i = 0; $i < 81; $i++) {
     $a = $i % 9 + 1;
     $b = floor($i / 9 + 1);
     if ($a <= $b){
         echo $a . '*' . $b . '=' . $a * $b . ' ';
     }
    
     if ($a == 9){
         echo '<br>';
     }
}