10 articles about phprsort () functions are recommended.

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 to talk about: rsort, arsort, and krsort. we will introduce these functions one by one! Rsortrsort & amp; nbsp;-sort values in descending order. The rsort () function sorts array elements in reverse order by key value. Functions with arsort... 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 to talk about: rsort, arsort, and krsort. we will introduce these functions one by one! Rsortrsort-sort the numeric array in descending order. The rsort () function sorts array elements in reverse order by key value. Similar to arsort. The syntax format is as follows: bool rsort (array & $ array [, int $ sort_flags = SORT_REGULAR]). The following is an example of the rsort function. the code is as follows:

1. 10 articles about php ksort () functions are recommended.

Introduction: <? Php $ arr = array (, 2,); var_dump ($ arr); $ sort = fn_sort ($ arr); var_dump ($ sort ); $ selectorsort = fn_selectsort ($ arr); var_dump ($ selectorsort);/*** bubble sort each adjacent two-digit group...

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Brief introduction: string, php: PHP string flip (including Chinese characters ):

10. krsort of php array function sequence-sort the element key names of the array in descending order to maintain the index relationship

Introduction: krsort of php array function sequence-sort the element key names of the array in descending order to maintain the index relationship: krsort () definition and usage krsort () the function sorts the array in reverse order by the key to reserve the original key for the array value. The second optional parameter contains an additional sorting flag. If yes, TRUE is returned. otherwise, FALSE is returned. The krsort (array, sorttype) parameter description is required for array. Specifies the array to be sorted. Sorttype is optional. Specifies how to arrange the values of an array. Possible value: SORT_REGULAR-default. Place them in their original type

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The above is a detailed article about php rsort () function. For more information, see other related articles in the first PHP community!