How does php flip an array and fetch the minimum

This article mainly introduces the relevant knowledge of "how php flips an array and takes out the minimum value". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how php flips an array and takes out the minimum value" can help you solve the problem.

Implementation method: 1, use the array_reverse () function to flip the array, syntax "array_reverse ($array)", will flip the order of the elements in the original array, create a new array and return; 2, use the min () function to take out the minimum value of the flipped array, syntax "min (flipped array)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php method for flipping an array and fetching the minimum value:

Implementation method:

First of all, you need to flip the array. PHP has a built-in function-- the array_reverse () function.

The array_reverse () function reverses the order of the elements in the original array, creates a new array and returns

Then take out the minimum value of the flip array, and PHP also has a built-in function-- the min () function.

The min () function returns the minimum value in an array

Implementation code:

Description: array_reverse () function

The array_reverse () function returns an array of flip order.

The array_reverse (array,preserve) parameter is required to describe array. Specify the array. Preserve is optional. Specifies whether to retain the key name of the original array.

If set to TRUE, numeric keys are retained. Non-numeric keys are not affected by this setting and are always retained.

Possible values:

True

False

If the preserve parameter is specified as true, the key name of the element remains unchanged, otherwise the key name will be lost; the default value is false.

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