Several array sorting methods in PHP

Introduction: This is a detailed page of several array sorting methods in PHP. It introduces PHP, related knowledge, skills, experience, and some PHP source code.

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1. Simple array sorting (the key names of the original array will be ignored)

Sort ($ ARR) rsort ($ ARR)

2. Sort the array by key name

Ksort ($ ARR) krsort ($ ARR)

3. Sort the Array Based on the element value (Reserve key => value relationship)

Asort ($ ARR) arsort ($ ARR)

4. Natural Number sorting method

Natsort ($ ARR) // sorts the natural numbers that ignore case sensitivity. natcasesort ($ ARR)

5. Examples of using the usort () method (custom sorting method)

$ Lamp = array ("Linux", "Apache", "MySQL", "php"); usort ($ lamp, "sortbylen"); function sortbylen ($ one, $ two) {If (strlen ($ one) = strlen ($ Two) return 0; elsereturn (strlen ($ one) <strlen ($ Two ))? 1:-1;} print_r ($ lamp); echo '<br> ';

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