echo value of certain key php code example

Example 1: php foreach echo key value

foreach($page as $key => $value) {
  echo "$key is at $value";
}

Example 2: php all keys in array

<?php
$array = array(
    'fruit1' => 'apple',
    'fruit2' => 'orange',
    'fruit3' => 'grape',
    'fruit4' => 'apple',
    'fruit5' => 'apple');

$keys = array_keys($array);		// return array
$values = array_values($array);	// return array
?>