How to remove all empty/null values in an array using PHP?

Question: How to remove all empty/null values in an array using PHP?

Answer:

1. If you have an array with empty values and you wish to remove the empty values you can use the following one line code
   

    
    
   		$array = array('','1','','3');
    
    
    
   		$array = array_filter($array, 'strlen');
    
    
    
   		echo '<pre>';
    
   		print_r($array);
    
   		echo '</pre>';
    
    
    
    

2. The result will be only the NOT NULL values
   

    
    
    
   Array
   (
       [1] => 1
       [3] => 3
   )
    
    
    
    

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