Question

我有一个页面只是为了在WordPress中使用高级自定义字段存储我需要的数据而我将其命名为 page_categories-animation.php

在我的 index.php 中，我写了这个

// get post id from page feature animation categories
$anim_id = url_to_postid('feature-animation-categories');
// get all the data from it
$variable = get_field('animCategory', $anim_id);

print_r($variable);

$ variable 的输出是这样的（实际上它有20个数组，但我使用2个数组就这么容易理解）

Array
(
    [0] => Array
        (
            [category_name] => Coffee Machines
            [categoryId] => 12
            [animateTitle] => Better ways to cleaner dishes.
            [animateIcon] => 
            [animateLink] => http://google.com
            [animateBG] => 
            [fram1] => Array
                (
                    [ID] => 315
                    [id] => 315
                    [title] => coffee-frame1
                    [filename] => coffee-frame1.png
                )

            [fram2] => Array
                (
                    [ID] => 316
                    [id] => 316
                    [title] => coffee-frame2
                    [filename] => coffee-frame2.png
                )
        )

    [1] => Array
        (
            [category_name] => Cooking & Baking
            [categoryId] => 13
            [animateTitle] => Better ways to cleaner dishes.
            [animateIcon] => 
            [animateLink] => http://google.com
            [animateBG] => 
            [fram1] => Array
                (
                    [ID] => 318
                    [id] => 318
                    [title] => cookie-frame1
                    [filename] => cookie-frame1.png
                )

            [fram2] => Array
                (
                    [ID] => 319
                    [id] => 319
                    [title] => cookie-frame2
                    [filename] => cookie-frame2.png
                )
        )
)

我的问题是：我如何使用与该值匹配的数组，在这种情况下假设我们已经有 categoryId 13 并且我想获取具有 categoryId 13 <的数组/ strong>并使用它。

Answer 1

这将有效：

$use_array = [];

foreach($variable as $v) // loop through your array of data
{
    if($v['categoryId'] == 13) // look for categoryId = 13
    {
        $use_array = $v; // save this array for later use
        break; // quit looping to save processing time and resources
    }
}

print_r($use_array); // this will be your array with categoryId = 13

Answer 2

你可以简单地过滤你的数组

http://ideone.com/cingTP

您的数组

$variable = [
    "0" => [
        "category_name" => 'Coffee Machines',
        "categoryId" => 12,
        "animateTitle" => 'Better ways to cleaner dishes.',
        "animateIcon" => '',
        "animateLink" => 'http://google.com',
        "animateBG" => "",
        "fram1" => [
            "ID" => 315,
            "id" => 315,
            "title" => 'coffee-frame1',
            "filename" => 'coffee-frame1.png',
        ],
        "fram2" => [
            "ID" => 316,
            "id" => 316,
            "title" => 'coffee-frame2',
            "filename" => 'coffee-frame2.png',
        ]
    ],
    "1" => [
        "category_name" => 'Cooking & Baking',
        "categoryId" => 13,
        "animateTitle" => 'Better ways to cleaner dishes.',
        "animateIcon" => '',
        "animateLink" => 'http://google.com',
        "animateBG" => '',
        "fram1" => [
            "ID" => 318,
            "id" => 318,
            "title" => 'cookie-frame1',
            "filename" => 'cookie-frame1.png',
        ],
        "fram2" => [
            "ID" => 319,
            "id" => 319,
            "title" => 'cookie-frame2',
            "filename" => 'cookie-frame2.png',
        ]
    ]
];

<强>解决方案

$result = array_filter($variable, function($item) {
    return $item['categoryId'] == 13;
});

print_r($result);

如何在匹配值时获取数组，然后使用它

2 个答案: