Home >Backend Development >PHP Tutorial >10 recommended articles about php krsort() function
Reverse order of PHP array In an article "How to Sort PHP Array", we introduced sort, asort and ksort. They all sort the array in ascending order. So what if you want to implement the reverse order of the array? Here is another set of functions we are going to talk about: rsort, arsort, krsort. Below we will introduce this set of functions one by one! rsortrsort — Sort a numeric array in descending order. The rsort() function sorts the elements of an array in reverse order by key value. Basically the same function as arsort(). The syntax format is as follows: bool rsort (array &$array [, int $sort_flags = SORT_REGULAR ]) Let’s take an example to explain the rsort function in detail. The specific code is as follows:
1. 10 recommended articles about the php asort() function
##Introduction: Reverse order of PHP arrays In an article "How to Sort PHP Arrays" we introduced sort, asort and ksort, which all sort arrays in ascending order. , so what if you want to implement the reverse order of the array? Here is another set of functions we are going to talk about: rsort, arsort, krsort. Below we will introduce this set of functions one by one! rsortrsort - Sort the numeric array in descending order. Sort the elements of the array in reverse order by key value. The function of arsort()...
2. 10 recommended articles about the php arsort() function
Introduction: We introduced the reverse order of PHP arrays in an article "How to Sort PHP Arrays" sort, asort and ksort, they all sort the array in ascending order, so what if you want to implement the reverse order of the array? Here is another set of functions we want to talk about: rsort, arsort, krsort. We will introduce these one by one. Group function! rsortrsort —sorts a numerical array in descending order. The rsort() function sorts the elements of the array in reverse order with the function of arsort()...
#3 .##Introduction: In an article "How to sort PHP arrays We introduced sort, asort and ksort in "Sort". They all sort the array in ascending order. So what if we want to implement the reverse order of the array? Here is another set of functions we want to talk about: rsort, arsort, krsort. Below we will introduce this set of functions one by one!
##4. PHP - Array sorting function
##Introduction: PHP - Array sorting function sort() - Sort the array in ascending order rsort() - Sort the array in descending order asort() - Sort the association in ascending order according to the value Sorting Arrays ksort() - Sorts an associative array in ascending order by key arsort() - Sorts an associative array in descending order by value krsort() - Sorts an associative array in descending order by key
5. PHP implements string flipping (including Chinese characters) php randomly generates a string php gets the string length php string ratio
Introduction: String, php:PHP realizes string flipping (including Chinese characters):
##6.php array function sequence krsort- Sort the element key names of the array in descending order, maintaining the index relationship
Introduction:: krsort of php array function sequence - Sort the element keys of the array in descending order, maintaining the index relationship: krsort() definition and usage krsort() function sorts the array in reverse order according to the key, and returns the array value Keep the original keys. The optional second parameter contains additional sorting flags. Returns TRUE if successful, FALSE otherwise. Syntax krsort(array,sorttype) Parameter Description array Required. Specifies the array to be sorted. sorttype optional. Specifies how to arrange the values of an array. Possible values: SORT_REGULAR - Default. Process them with their original types
7. Examples of application of krsort and asort functions for php array sorting
Introduction : Application examples of krsort and asort functions in php array sorting
# Introduction: PHP array function sequence krsort() - Sort the element key names of the array in descending order, maintaining the index relationship. krsort() definition and usage The krsort() function sorts the array in reverse order by key, retaining the original keys for the array values. The optional second parameter contains additional sorting flags. If successful, return
Introduction: PHP compares the size sorting implementation code of values in multi-dimensional arrays. If there are no duplicate values, you can first use array_flip() to exchange the keys and values, then krsort(), and finally exchange them back with array_flip() to compare the sizes. If you want to intercept the array, you can
10. php Summary of various methods of array sorting_PHP tutorial
Introduction: Summary of various methods of sorting php arrays. There are many array sorting functions in php (rsort, sort, asort, rsort, krsort, ksort, array_multisort). Let me summarize some of the array sorting functions we commonly use and users
The above is the detailed content of 10 recommended articles about php krsort() function. For more information, please follow other related articles on the PHP Chinese website!