What is the method to determine if an array is not empty in php

The method to determine if the array is not empty in php is: 1. Use the [empty($array_test)] function. If the array [$array_test] is empty, the function returns true; 2. Use [if($array_test) )] Judgment condition, if the array is empty, the if judgment condition returns false.

The array is empty. It means that the array does not contain any elements.

There are many ways to judge that the array is empty: the following one List them out

empty($array_test) //If the array $array_test is empty, then this function returns true

if($array_test) //If the array is empty, then the conditional judgment of if Is false

count($array_test) //Calculate the number of array elements. If it is 0, it is empty

sizeof($array_test) //The alias usage of count() is the same as the return

//In fact, there are some ways to judge whether the array is empty. The commonly used ones are these

Additional note

If the array is not defined

It can also be used

isset($array_test)//Judge whether the array is defined

Recommended tutorial: "php tutorial"

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