\s*(.*?)\s*\s*| \s*(.*?)\s* | \s*\s*(.*?)\s* | \s*\s*(.*?)\s* | |", $table, $matches, PREG_PATTERN_ORDER);
unset($matches[0]);
for($j = 0 ; $j < count($matches[2]); $j++) {
$key = html_entity_decode($matches[2][$j]);
$productKey = html_entity_decode($matches[1][$j]);
$categories[$key][$productKey][] = [
"product" => html_entity_decode($matches[1][$j]),
"price" => html_entity_decode($matches[3][$j]),
"currency" => html_entity_decode($matches[4][$j])
];
}
ksort($categories);
$resultArray = [];
foreach ($categories as $key => $category) {
ksort($category);
foreach ($category as $cat) {
natcasesort($cat);
foreach ($cat as $k => $v) {
$resultArray[$key][] = $v;
}
}
}
echo json_encode($resultArray);