isempty php

1if(empty($var1)){
2    echo 'This line is printed, because the $var1 is empty.';
3}

1if (empty($var)) {
2    echo '$var is either 0, empty, or not set at all';
3}

1// Declare an array and initialize it 
2$non_empty_array = array('apples' => '2'); 
3  
4// Declare an empty array 
5$empty_array = array(); 
6  
7// Condition to check array is empty or not 
8if(!empty($non_empty_array)) {
9    echo "Given Array is not empty <br>"; 
10}
11if(empty($empty_array)) {
12    echo "Given Array is empty"; 
13}

1empty ( mixed $var ) : bool