php print array values

In case you have an array and you want to print the array values
You can use one of these functions print_r, var_dump, var_export   
Each of them has different uses

print_r Function

• Show data in an understandable form of humans

<?php
    $array    = [1,2,3,4,5,6,7,8,9]; 
    print_r($array);
?>

output

Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 ) 

var_dump Function

• Show structured information includes its type and value
• Show protected data
• Show private data

<?php
    $array    = [1,2,3,4,5,6,7,8,9]; 
    var_dump($array);
?>

output

array(9) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) } 

var_export Function

• Show structured information
• Similar to var_dump()

<?php
    $array    = [1,2,3,4,5,6,7,8,9]; 
    var_export($array);
?>

output

array ( 0 => 1, 1 => 2, 2 => 3, 3 => 4, 4 => 5, 5 => 6, 6 => 7, 7 => 8, 8 => 9, )