- print_r: documentation ( source)
<?php
$fruit["apple"] = "リンゴ";
$fruit["orange"] = "ミカン";
$fruit["grape"] = "ブドウ";
foreach ($fruit as $key => $value) {
echo '<pre>';
print_r($fruit[$key]);
echo '</pre>';
}
if ( !isset( $f ) )
{
echo 'deru';
}