Recommended 10 articles for PHP uasort () functions

This article collects 10 articles about PHP uasort () functions, Welcome to the collection

1. ArrayList namespace the difference between Array_multisort and uasort in PHP array sorting

Introduction: ArrayList Namespace: ArrayList namespace the difference between PHP array ordering array_multisort and Uasort: Example: (Concise) Uasort ($arr, create_function (' $a, $b ' , ' return $a [' Line_num ']< $b [' line_num ']; '); function definition and Syntax ************* array_multisort (PHP4 >= 4.0b4) array_multisort---Sorting

2. Alwayscomebacktoyourlove PHP multidimensional Array sorting usort,uasort

Description: Alwayscomebacktoyourlove:alwayscomebacktoyourlove PHP multidimensional array usort,uasort: Numeric index array: bool Usort (array & $array, Callback $cmp _function) The Usort function sorts the specified array (parameter 1) by the specified method (parameter 2). When we want to sort multidimensional arrays, each element of a multidimensional array is an array type, and how do two arrays compare size? This needs to be customized by the user (by comparing the first element of each array or ...). Copy the code code as follows:

3. PHP array sorting function array_multisort and uasort difference

Summary: PHP array sorting function array_multisort and uasort difference

4. PHP multidimensional array sorting (usort,uasort) _php Tutorial

Summary: PHP multidimensional array sorting (Usort,uasort). Numeric index array: bool Usort (array lt;?). PHP//define multidimensional Array $a = Array ("Sky", "Blue"), Array ("Apple", "red"), Array ("Tree", "green"); Custom array comparison functions,

5. PHP array sorting array_multisort and Uasort differences _php tutorials

Summary: PHP array sorting array_multisort and uasort differences. Example: (Concise) Uasort ($arr, create_function (' $a, $b ', ' return $a [' line_num '] $b [' Line_num ']; function definition and Syntax ************* array_multisort (PHP4 = 4.0b4) ar

6. PHP multi-dimensional array sorting keep index corresponding relationship skillfully using uasort_php tutorial

Introduction: PHP multidimensional array sorting to keep the index corresponding relationship skillfully used uasort. In the actual development, more or less will encounter array sorting problem, in addition to the regular write simple sorting algorithm, PHP also provides a built-in array sorting function, this time focus on sharing: UAS

7. PHP two-dimensional array sorting problem _php tutorial

Introduction: A two-dimensional array sorting problem in PHP. Two-dimensional array ordering in PHP php two-dimensional array ordering, you can use the PHP built-in function uasort () "Use a user-defined comparison function to sort the values in the array and keep the index association

8. PHP Two-dimensional array sorting problem method detailed, two-dimensional array sorting _php tutorial

Brief: A two-dimensional array sorting problem method in PHP, two-dimensional array sorting. A two-dimensional array sorting problem method in PHP, two-dimensional array ordering in PHP two-dimensional array, you can use the PHP built-in function uasort () example one: Using the user-defined comparison function logarithm

9. Sort the array of PHP arrays

Introduction: In fact, the most important difference between the two: Array_multisort () after sorting, the original array "key" is lost. After the Uasort () is sorted, the original "key" is retained.

About two-dimensional array sorting in PHP

Introduction: PHP Two-dimensional array sorting problem in PHP two-dimensional array ordering, you can use the PHP built-in function uasort () "Use a user-defined comparison function to sort the values in the array and keep the index association" callback function as follows: Note that the return value of the callback function is negative or false, Indicates that the first parameter of the callback function is before, and the second parameter is arranged after $person = array (the array (' num&#

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