Create JSON file with folder contents (images) [closed] - php

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I am moving images from xcode to an online platform and i need to generate a JSON file from a directory structure (images only) that lists the folders, and the images in those folders, with complete URL (online) AND date they where added.
I am a COMPLETE noob with PHP web stuff, so am really lost at the moment.
I found the following code, but that does not do anything so far, and does not travels into directory's.
<?php
/*
JSON list of all images files in current directory
*/
$dir = ".";
$dh = opendir($dir);
$image_files = array();
while (($file = readdir($dh)) !== false) {
$match = preg_match("/.*\.(jpg|png|gif|jpeg|bmp)/", $file);
if ($match) {
$image_files []= $file;
}
}
echo json_encode($image_files);
closedir($dh);
?>

Answer 1

The following code works for me. Found it here.
I've only modified the echo, added the regex and the time. I hope this answers your question.
<?php
function getDirContents($path) {
$rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path));
$files = array();
foreach ($rii as $file) {
if (!$file->isDir() && preg_match("/.*\.(jpg|png|gif|jpeg|bmp)/", $file)) {
$files[] = [
'path' => $file->getPathname(),
'c_time' => $file->getCTime()
];
}
}
return $files;
}
header('Content-Type: application/json');
echo json_encode([
'success' => true,
'files' => getDirContents('.')
]);