asort

To sort one-dimensional arrays, you can use asort, ksort, and other methods to sort processes, which is relatively simple. How can we sort two-dimensional arrays? You can use array_multisort and usort to implement it. The following is a small series

The asort () function sorts arrays and maintains the index relationship. It is mainly used to sort the arrays that are very important to the unit order. The second optional parameter contains an additional sorting identifier. Asort () definition

Differences between SORT_REGULAR and SORT_STRING in php One time I encountered a problem when using the php basic function asort: "441469", "timestamp" => "1464334314" ]; asort($arr); var_dump($arr);?> The result is as follows:

Array: Creates a new array. Array_walk: Let the user customize the function to handle each element in the array. Arsort: Sorts the values of the array from large to small. Asort: Sorts the values of

The previous description of the PHP multidimensional array sort of a function array_multisort (), want to know people can click the two-dimensional array sorting array_multisort The following describes the sorting of multidimensional arrays that

The declaration of an array 1, direct assignment way to declare an array $ array variable name [index value] = data content//The index value (subscript) can be a string or a number But sometimes, we can also assign values directly to the array,

For Web programming, the most important thing is to access and read and write data. There may be many ways to store them, such as strings, arrays, files, and so on. arrays, which can be said to be a more important way of using PHP data. PHP's Array

The ordering of several array functions mentioned below has some commonality:The 1 array is used as the parameter of the sort function, and after sorting, the array itself is changed, and the return value of the function is bool type. 2 function

Php Basics-two-dimensional array sorting sister-in-law previously introduced a function of php multi-dimensional array sorting array_multisort (). to learn more, click the two-dimensional array sorting array_multisort The following describes

PHP array functions (3), php array FunctionsArray retrieval functions Format: array array_keys (array arr [, mixed searchValue]); return the "key name" in the arr array in the form of an array. If the optional parameter searchValue is

Multidimensional arrays 　　　Two-dimensional arrays: equivalent to 1 matrices, or a grid with width and height or rows and columns. For example: This figure holds Bob's product in a two-dimensional array, each line represents a product,Each

Php summary Article 1 (I hope you can add it! Thank you), php Article 1 /* Common functions of Arrays** Array sorting Function* Sort ()* Rsort ()* Usort ()* Asort ()* Arsort ()* Uasort ()* Ksort ()* Krsort ()* Uksort ()* Uatsort ()* Natcasesort ()*

PHP array sorting method is recommended. With the rapid development of PHP, more and more people are using it. in the PHP array learning excerpt, I learned about the establishment of the most basic PHP array and the display of array elements. You

Test your PHP level questions. We can see this interesting test on UnixReview and share it with you. UnixReview. comMay2007TestYourKnowledgeofPHPbyEmmettDulaneyFrom: www. unixreview. comdocumentss10130 you can see this interesting test on Unix

In an article "How to sort PHP arrays" in reverse order, we introduced sort, asort, and ksort, which sort arrays in ascending order, so what if we want to implement the inverted order of the array? The following is another group of functions we want

This article provides a detailed analysis of the collection of PHP array sorting functions and their relationships. For more information, see The sorting of several array functions mentioned below has some commonalities:1. the array is used as a

There are many data sorting functions in php, including one-dimensional array sorting functions and two-dimensional array sorting functions, including simple sort functions in ascending order and rsort in descending order. Php array sorting

Array: Create a new array. Array_walk: Allows the User-Defined Function to process every element in the array. Arsort: Sorts the values of an array from large to small. Asort: Sorts the values of an array from

The php array contains the Chinese sorting method. Php arrays are sorted in Chinese. the file format is generally utf8, but it cannot be sorted directly by asort. It can be gbk or gb2312. This is related to encoding. Gbk and gb2312 are encoded in

Summary of PHP sorting functions. Sort damages index ascending value sorting Rsort damages index descending value sorting Asort keeps index ascending value sorting Arsort keeps index descending value sorting Ksort keeps index ascending key value