從數組中乘以數值

我有一個可以創建6個數組的表單。他們的高度和寬度，我需要多個。從數組中乘以數值

Array1[0] * Array2[0] 
Array3[0] * Array4[0] 
Array5[0] * Array6[0]

我可以讓數組單獨打印，但我不能讓計算工作。

extract($_REQUEST); 
if(count($_POST)!=0){ 
    foreach($_POST as $key=>$value){ 
     if(gettype($value) == "array"){ 
      $i=0; 
      $total = array(); 
      foreach($picw as $key=>$width){ 
       $total[] = $width * $pich[$key]; 
       echo $total; 
      } 
      /*foreach($value as $v){ 
       $i++; 
       //echo "<div>{$key}{$i}: " . ${"{$key}{$i}"} = $v . "</div>"; 
       ${"{$key}{$i}"} = $v; 
       $pic{$i} = $picw{$i} * $pich{$i}; 
      }*/ 
     } 
    } 
}

這裏是什麼陣列打印：

pich=>Array pich1: 12 

picw=>Array picw1: 12 

hungh=>Array hungh1: 12 

hungw=>Array hungw1: 12 

sliderh=>Array sliderh1: 12 

sliderw=>Array sliderw1: 12

編輯：這裏是形式，其中名來自

<form action="windowQuoteEnd.php" method="post"> 
     <table> 
       <td colspan="3"><b>Picture Window Quantity:</b></td> 
       <td><select name="picq" id="picq" class="dynamicAdder" data-selector="#pic_dup_1"> 
        <option value="1">1</option> 
        <option value="2">2</option> 
        <option value="3">3</option> 
        <option value="4">4</option> 
        <option value="5">5</option> 
        <option value="6">6</option> 
        <option value="7">7</option> 
        <option value="8">8</option> 
        <option value="9">9</option> 
        <option value="10">10</option> 
       </select></td> 
      </tr> 
      <!-- DUPLICATES BASED ON THE SELECTION ABOVE - NUMBERS INCRIMENT FOR EACH ADDED SELECTION WHERE THE 1 IS NOW --> 
      <tr id="pic_dup_1"> 
       <td><select name="pich[]" id="pich1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
        <option value="84">84</option> 
        <option value="96">96</option> 
        <option value="108">108</option> 


       </select></td> 
       <td> x </td> 
       <td><select name="picw[]" id="picw1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
       </select></td> 
      </tr> 
      <!-- END DUPLICATE --> 
      <tr> 
       <td colspan="3"><b>Single Hung Window Quantity:</b></td> 
       <td><select name="shq" id="shq" class="dynamicAdder" data-selector="#hung_dup_1"> 
        <option value="1">1</option> 
        <option value="2">2</option> 
        <option value="3">3</option> 
        <option value="4">4</option> 
        <option value="5">5</option> 
        <option value="6">6</option> 
        <option value="7">7</option> 
        <option value="8">8</option> 
        <option value="9">9</option> 
        <option value="10">10</option> 
       </select></td> 
      </tr> 
      <!-- DUPLICATES BASED ON THE SELECTION ABOVE - NUMBERS INCRIMENT FOR EACH ADDED SELECTION WHERE THE 1 IS NOW --> 
      <tr id="hung_dup_1"> 
       <td><select name="hungh[]" id="hungh1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
        <option value="84">84</option> 
        <option value="96">96</option> 
        <option value="108">108</option> 
        <option value="120">120</option> 

       </select></td> 
       <td> x </td> 
       <td><select name="hungw[]" id="hungw1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
       </select></td> 
      </tr> 
      <!-- END DUPLICATE --> 
      <tr> 
       <td colspan="3"><b>Patio Slider Quantity:</b></td> 
       <td><select name="psq" id="psq" class="dynamicAdder" data-selector="#test_dup_1"> 
        <option value="1">1</option> 
        <option value="2">2</option> 
        <option value="3">3</option> 
        <option value="4">4</option> 
        <option value="5">5</option> 
        <option value="6">6</option> 
        <option value="7">7</option> 
        <option value="8">8</option> 
        <option value="9">9</option> 
        <option value="10">10</option> 
       </select></td> 
      </tr> 
      <!-- DUPLICATES BASED ON THE SELECTION ABOVE - NUMBERS INCRIMENT FOR EACH ADDED SELECTION WHERE THE 1 IS NOW --> 
      <tr id="test_dup_1"> 
       <td><select name="sliderh[]" id="sliderh1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
        <option value="84">84</option> 
        <option value="96">96</option> 
        <option value="108">108</option> 
        <option value="120">120</option> 

       </select></td> 
       <td> x </td> 
       <td><select name="sliderw[]" id="sliderw1"> 
        <option value="12">12</option> 
        <option value="24">24</option> 
        <option value="36">36</option> 
        <option value="48">48</option> 
        <option value="60">60</option> 
        <option value="72">72</option> 
       </select></td> 
      </tr> 
      <!-- END DUPLICATE --> 
      <tr>  
       <td colspan="2"><button name="Submit" type="Submit" value="Submit">Get Quote</button></td> 
      </tr> 
     </table>

這裏是JQuery的...

<script> 
$(document).ready(function() 
{ 
$('.dynamicAdder').each(function(i,e) 
{ 
    var selector = $(e).attr('data-selector'); 
    var id = $(selector).attr('id'); 
    $(selector).addClass($(selector).attr('id')).removeAttr('id'); 
    $(e).attr('data-selector','.'+id); 
    $(e).on('change',function() 
    { 
    var selector = $(this).attr('data-selector'); 
    var qty = $(this).val(); 
    var len = $(selector).length; 
    for(var x=len;x<qty;x++) 
    { 
    var clone = $(selector).last().clone(); 
    $(selector).last().after(clone); 
    } 
    if(len>qty) 
    { 
    var diff = len-qty; // extra rows , delete them in the next step 
    for(var y=0;y<diff;y++) 
    { 
    $(selector).last().remove(); 
    } 
    } 
    }); 
}); 
}); 
</script>

來源

2014-04-27 BKCOHEN

請告訴我您的實際'$ array'定義是什麼？ –

你是什麼意思？ – BKCOHEN

'$ pich'和'$ picw'從哪裏來？ – CodeBird

您可以先循環陣列並追加第eir零值到另一個數組;然後，將該值分塊爲2並相乘以得到結果。這假定$_POST只包含要乘以陣列和以正確的順序：

$array_values = array(); 
foreach($_POST as $key=>$value){ 
    if(gettype($value) == "array"){ 
     $array_values[] = $value[0]; 
    } 
} 
$nested = array_chunk($array_values, 2); 
$results = array(); 
// We know that the chunked arrays have only two values 
foreach ($nested as $array) { 
    $results = $array[0] * $array[1]; 
}

或爲函數式編程愛好者：

$results = array_map(function ($array) { 
    return array_reduce($array, function ($prev, $next) { 
     return $prev * $next; 
    }, 1); 
}, array_chunk($array_values, 2);

來源

2014-04-27 21:52:01

太棒了！謝謝！！還有一個問題......我如何在不同的區域顯示每組陣列？ I.E.第1部分：array0 * array1第2部分... – BKCOHEN

從數組中乘以數值

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