Question

How to remove duplicate values from an array in PHP

Answer 1

$array = array(" PHP ", " Java ", " Python ", " PHP ");
  
$array = array_unique($array);
      
print_r($array)
  
   
/*
run:
    
Array ( [0] => PHP [1] => Java [2] => Python )
    
*/

 

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Answer 2

$array = array("PHP", "Java", "PHP", "Python", "PHP");
   
$array = array_keys(array_flip($array)); 
       
print_r($array);
   
    
/*
run:
     
Array ( [0] => PHP [1] => Java [2] => Python ) 
     
*/

 

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Answer 3

$array = array( 0 => 'php', 
                1 => 'java', 
                2 => 'php', 
                3 => 'python', 
                4 => 'php', 
              ); 
   
$array = array_keys(array_flip($array)); 
       
print_r($array);
   
    
/*
run:
     
Array ( [0] => php [1] => java [2] => python ) 
     
*/

 

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Answer 4

$array = array( 0 => 'php', 
                1 => 'java', 
                2 => 'php', 
                3 => 'python', 
                4 => 'php', 
              ); 
   
$array = array_unique($array);
       
print_r($array);
   
    
/*
run:
     
Array ( [0] => php [1] => java [3] => python ) 
     
*/

 

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Answer 5

$array = array( 0 => 50, 
                1 => 60, 
                2 => 50, 
                3 => 60, 
                4 => 50, 
              ); 
   
$array = array_unique($array);
       
print_r($array);
   
    
/*
run:
     
Array ( [0] => 50 [1] => 60 ) 
     
*/

 

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