gistfile1.txt

<?php

$limit = 4;
$order = "DESC";

if(array_key_exists('limit',$_GET)) {
	$limit = $_GET['limit'];
}

if(array_key_exists('order',$_GET)) {
	$order = $_GET['order'];
}

if(array_key_exists('newer',$_GET)) {
	$newer = $_GET['newer'];
}

$files = glob("../../../sec/images/*.*");

try {
	if(empty($files)) {
		throw new Exception("no images");
	}

	usort($files, function($a, $b) {
    return filemtime($a) > filemtime($b);
	});

	if (!array_key_exists($newer, $files)) {
		$array = [["id" => null]];
		echo json_encode($array);
		die();
	} else {
		$filePathSplit = explode('/', $files[$newer]);
	}

	$imageName = array_values(array_slice($filePathSplit, -1))[0];

	$id = array_search($newer, array_keys($files));
	$imageNameSplit = explode('-', $imageName);
	$firstName = $imageNameSplit[0];
	$timestamp = explode('.', $imageNameSplit[1])[0];

	$array = [
		[
			"id" => $id,
			"first_name" => $firstName,
			"last_name" => "",
			"filename" => $imageName,
			"timestamp" => (int)$timestamp,
		]
	];

	echo json_encode($array);

} catch(Exception $e) {
	echo json_encode(['error' => $e->getMessage()]);
	error_log($e->getMessage());
}

?>