What are the methods for sorting arrays in PHP?

The previous article introduced you to "What is a PHP array?" How to use PHP arrays?》, this article continues to introduce PHP array sorting to you. I don’t know how much you know about array sorting. This article has a certain reference value, let’s take a look! ! !

#Elements in a PHP array can be arranged in descending or ascending order alphabetically or numerically.

PHP array sorting function methods include: sort(), rsort(), asort(), ksort(), arsort(), krsort().

PHP - Array sorting function

What are the methods for sorting arrays in php?

In this chapter, we will introduce the following PHP array sorting functions one by one:

• sort() - Sort the array in ascending order
  

• rsort() - Sort the array in descending order
  

• asort() - Sort the array in ascending order based on the value of the associative array
  

• ksort() - Sort the array in ascending order based on the keys of the associative array
  

• arsort() - Sort the array based on the association The value of the array, sort the array in descending order
  

• krsort() - Sort the array in descending order based on the key of the associative array
  

• sort() - Sort the array in ascending order

The following example sorts the elements in the$carsarray in ascending alphabetical order:

The running code is as follows:

"; } ?>

The running result is as follows:

The following example will$numberselements in the array Arrange in ascending order of numbers:

"; } ?>

The running results are as follows:

rsort() -Sort the array in descending order:

"; } ?>

The running results are as follows:

The following example sorts the elements in the$numbersarray in descending order of numbers:

"; } ?>

The running results are as follows:

##asort() -Arrange the array in ascending order based on the value of the array

"35","Bili"=>"37","Joey"=>"43"); asort($age); foreach($age as $x=>$x_value) { echo "Key=" . $x . ", Value=" . $x_value; echo "
"; } ?>

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