Question

How to print array keys from key value array in PHP

Answer 1

$array = array('language'=>'PHP', 'code'=>9814, 'level'=>1);
 
$result = array_keys($array);


for ($i = 0; $i < count($result); $i++) {
    echo $result[$i] . "<br />";
}
    
 
 
 
/*
run:
         
language
code
level
       
*/

 

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Answer 2

$array = array('language'=>'PHP', 'code'=>9814, 'level'=>1);
  
$result = array_keys($array);
 
echo "<pre>";
print_r($result);
echo "</pre>";
     
  
  
  
/*
run:
          
Array
(
    [0] => language
    [1] => code
    [2] => level
)
      
*/

 

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