how to use echo in array in php code example

Example 1: dsiplay array on php

$array = array(
	1 => 'apple',
  	2 => 'banana',
)

// Method 1
echo "<pre>";
print_r($array);
echo "</pre>";

// Method 2 
echo "<pre>";
var_dump($array);
echo "</pre>";

// Method 3 (cakephp)
pr ($array);

Example 2: php echo array

foreach($results as $result) {
	echo $result . '<br>';
}