46 lines
1.2 KiB
PHP
46 lines
1.2 KiB
PHP
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<?php
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/**
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* Simple Ajax Uploader
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* Version 2.6.2
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* https://github.com/LPology/Simple-Ajax-Uploader
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*
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* Copyright 2012-2017 LPology, LLC
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* Released under the MIT license
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*
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* Returns upload progress updates for browsers that don't support the HTML5 File API.
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* Falling back to this method allows for upload progress support across virtually all browsers.
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* Requires PHP 5.4+
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* Further documentation: http://php.net/manual/en/session.upload-progress.php
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*
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*/
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session_start();
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if (!isset($_POST[ini_get('session.upload_progress.name')])) {
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exit(json_encode(array('success' => false)));
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}
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$key = ini_get('session.upload_progress.prefix') . $_POST[ini_get('session.upload_progress.name')];
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if (!isset($_SESSION[$key])) {
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exit(json_encode(array('success' => false)));
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}
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$progress = $_SESSION[$key];
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$pct = 0;
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$size = 0;
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if (is_array($progress)) {
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if (array_key_exists('bytes_processed', $progress) && array_key_exists('content_length', $progress)) {
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if ($progress['content_length'] > 0) {
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$pct = round(($progress['bytes_processed'] / $progress['content_length']) * 100);
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$size = round($progress['content_length'] / 1024);
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}
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}
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}
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echo json_encode(array('success' => true, 'pct' => $pct, 'size' => $size));
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