统计次数 大神进去帮忙
统计次数 大神进来帮忙
这是一个数组 太长了 我没有截完.
我想做到功能是看下这个二维数组中有多少个 一维数组字段forumid =6491 以此类推 继续做循环看下 第二个一维数组字段 forumid =6107 在这个二维数组中有几个 继续第三个, 第四个
------解决方案--------------------
forumId=>6491在数组出现的次数吗?
------解决方案--------------------
foreach($你的数组 as $v) $ar[] = $v['forumid'];
print_r(array_count_values($ar));

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

1. The difference between Iterator and foreach is the polymorphic difference (the bottom layer of foreach is Iterator) Iterator is an interface type, it does not care about the type of collection or array; both for and foreach need to know the type of collection first, even the type of elements in the collection; 1. Why is it said that the bottom layer of foreach is the code written by Iterator: Decompiled code: 2. The difference between remove in foreach and iterator. First, look at the Alibaba Java Development Manual, but no error will be reported in case 1, and an error will be reported in case 2 (java. util.ConcurrentModificationException) first

The steps for PHP to determine the number of the foreach loop: 1. Create an array of "$fruits"; 2. Create a counter variable "$counter" with an initial value of 0; 3. Use "foreach" to loop through the array, and Increase the value of the counter variable in the loop body, and then output each element and their index; 4. Output the value of the counter variable outside the "foreach" loop to confirm which element the loop reaches.

Title: Example of using the Array.Sort function to sort an array in C# Text: In C#, array is a commonly used data structure, and it is often necessary to sort the array. C# provides the Array class, which has the Sort method to conveniently sort arrays. This article will demonstrate how to use the Array.Sort function in C# to sort an array and provide specific code examples. First, we need to understand the basic usage of the Array.Sort function. Array.So

This article will explain in detail how PHP returns an array after key value flipping. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. PHP Key Value Flip Array Key value flip is an operation on an array that swaps the keys and values in the array to generate a new array with the original key as the value and the original value as the key. Implementation method In PHP, you can perform key-value flipping of an array through the following methods: array_flip() function: The array_flip() function is specially used for key-value flipping operations. It receives an array as argument and returns a new array with the keys and values swapped. $original_array=[

When programming in PHP, we often need to merge arrays. PHP provides the array_merge() function to complete array merging, but when the same key exists in the array, this function will overwrite the original value. In order to solve this problem, PHP also provides an array_merge_recursive() function in the language, which can merge arrays and retain the values of the same keys, making the program design more flexible. array_merge

In PHP, there are many powerful array functions that can make array operations more convenient and faster. When we need to combine two arrays into an associative array, we can use PHP's array_combine function to achieve this operation. This function is actually used to combine the keys of one array as the values of another array into a new associative array. Next, we will explain how to use the array_combine function in PHP to combine two arrays into an associative array. Learn about array_comb

This article will explain in detail about the current element in the array returned by PHP. The editor thinks it is very practical, so I share it with you as a reference. I hope you can gain something after reading this article. Get the current element in a PHP array PHP provides a variety of methods for accessing and manipulating arrays, including getting the current element in an array. The following introduces several commonly used techniques: 1. current() function The current() function returns the element currently pointed to by the internal pointer of the array. The pointer initially points to the first element of the array. Use the following syntax: $currentElement=current($array);2.key() function key() function returns the array internal pointer currently pointing to the element

Difference: 1. for loops through each data element through the index, while forEach loops through the data elements of the array through the JS underlying program; 2. for can terminate the execution of the loop through the break keyword, but forEach cannot; 3. for can control the execution of the loop by controlling the value of the loop variable, but forEach cannot; 4. for can call loop variables outside the loop, but forEach cannot call loop variables outside the loop; 5. The execution efficiency of for is higher than forEach.
