echo "<pre>",print_r ($step),"</pre>";echo "<pre>",print_r ($step),"</pre>";<?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 ) ) // raw array output print_r($arr); // the above well-formatted echo '<pre>'; print_r($array); echo '</pre>'; // more details like datatype and length var_dump($arr); // output that PHP understands var_export($arr); // by foreach loop foreach($arr as $key=>$value) echo $key, '=>', $value; // $value must be convertible to string$array = ["apple", "banana", "cherry"]; // Echo the entire array echo implode(", ", $array); // Output: apple, banana, cherry<?php $data = array('a'=>'apple','b'=>'banana','c'=>'orange');?> <pre><?php print_r($data); ?></pre> foreach($results['data'] as $result) { echo $result['type'], '<br>'; }print_r($array);foreach( $arrayName as $variableName ) { // action to perform }