我有這樣的數(shù)組

array(2) { 
[0]=> object(stdClass)#20 
      (4) { 
           ["id"]=> string(1) "1" 
           ["name"]=> string(6) "robert" 
           ["height"]=> string(3) "165" 
           ["weight"]=> string(2) "81" } 
[1]=> object(stdClass)#21 
      (4) { 
           ["id"]=> string(1) "2" 
           ["name"]=> string(4) "mike" 
           ["height"]=> string(3) "175" 
           ["weight"]=> string(2) "69" } }

因此,我想更改數(shù)組值.

例如,我想更改[[height]]和[[weight]]的所有值.我將身高和體重按如下數(shù)字分類(lèi)：

高度

1 = 150 ………. 170

2 = 171 ………. 190

重量

1 = 50 ……….. 70

2 = 71 ……….. 80

array(2) { 
[0]=> object(stdClass)#20 
      (4) { 
           ["id"]=> string(1) "1" 
           ["name"]=> string(6) "robert" 
           ["height"]=> string(1) "1" 
           ["weight"]=> string(1) "2" } 
[1]=> object(stdClass)#21 
      (4) { 
           ["id"]=> string(1) "2" 
           ["name"]=> string(4) "mike" 
           ["height"]=> string(1) "2" 
           ["weight"]=> string(1) "1" } }

我的數(shù)組是動(dòng)態(tài)的,因此值可以隨時(shí)更改.當(dāng)然,[“ name”]不會(huì)改變,因?yàn)槲覜](méi)有給出分類(lèi).您能幫我解決這個(gè)問(wèn)題嗎？

解決方法:

給定您的示例數(shù)組為：

//example people array
$people = [
      //robert
      (object)[
            "id" =>"1",
            "name"=> "robert",
            "height" => "165", 
            "weight" => "79",
            ],

      //mike
      (object)[
        "id" => "2",
        "name"=> "mike",
        "height"=> "175", 
        "weight" =>"69",
        ]
  ];

您可以在稍作比較之后遍歷數(shù)組并修改每個(gè)對(duì)象.請(qǐng)注意,我不會(huì)檢查所有可能的范圍以保持簡(jiǎn)潔(應(yīng)該再檢查幾下)

//walk the array 
array_walk($people, function($person){

  //test height and assign category
  if($person->height <= 190 && $person->height > 170)
    $person->height = "2";
  else
    $person->height = "1";

  //test weight and assign category
  if($person->weight <= 80 && $person->weight > 70)
    $person->weight = "2";
  else
    $person->weight = "1";
});

可以產(chǎn)生期望的結(jié)果,您可以實(shí)時(shí)檢查"1", "name"=> "robert", "height" => "165", "weight" => "81", ], //mike (object)[ "id" => "2", "name"=> "mike", "height"=> "175", "weight" =>"69", ] ]; //walk the array array_walk($people, function($person){ //test height and assign category if($person->height <= 190="" &&="" $person-="">height > 170) $person->height = "2"; else $person->height = "1"; //test weight and assign category if($person->weight <= 80="" &&="" $person-="">weight > 70) $person->weight = "2"; else $person->weight = "1"; }); print_r($people);" rel="nofollow">here(運(yùn)行CTRL ENTER)