echo array as string php code example

Example 1: print array php

<?php
$a = array ('a' => 'apple', 'b' => 'banana', 'c' => array ('x', 'y', 'z'));
echo "<pre>";
print_r ($a);
echo "</pre>";
?>
  
Output:

Array
(
    [a] => apple
    [b] => banana
    [c] => Array
        (
            [0] => x
            [1] => y
            [2] => z
        )
)

Example 2: php array to string

// for one-dimentional arrays
$str = implode('|', $arr);	// "v1|v2|v3"...

// for multi-dimensional/structured arrays, or to keep hierarchy
$str = json_encode($arr);
// or
$str = var_export($arr);

Example 3: php implode

$arr = ['Thor','Captain America','Iron Man'];
echo implode(', ',$arr);
// "Thor, Captain America, Iron Man"