67 lines
2.1 KiB
PHP
67 lines
2.1 KiB
PHP
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<?php
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/* μlogger
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*
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* Copyright(C) 2017 Bartek Fabiszewski (www.fabiszewski.net)
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*
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* This is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Various util functions
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*/
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class uUtils {
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/**
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* Calculate maximum allowed size of uploaded file
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* for current PHP settings
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*
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* @return int Number of bytes
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*/
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public static function getUploadMaxSize() {
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$upload_max_filesize = self::iniGetBytes('upload_max_filesize');
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$post_max_size = self::iniGetBytes('post_max_size');
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// post_max_size = 0 means unlimited size
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if ($post_max_size == 0) { $post_max_size = $upload_max_filesize; }
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$memory_limit = self::iniGetBytes('memory_limit');
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// memory_limit = -1 means no limit
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if ($memory_limit < 0) { $memory_limit = $post_max_size; }
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return min($upload_max_filesize, $post_max_size, $memory_limit);
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}
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/**
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* Get number of bytes from ini parameter.
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* Optionally parses shorthand byte values (G, M, B)
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*
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* @param string $iniParam Ini parameter name
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* @return int Bytes
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*/
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private static function iniGetBytes($iniParam) {
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$iniStr = ini_get($iniParam);
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$val = floatval($iniStr);
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$suffix = substr(trim($iniStr), -1);
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if (ctype_alpha($suffix)) {
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switch (strtolower($suffix)) {
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case 'g':
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$val *= 1024;
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case 'm':
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$val *= 1024;
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case 'k':
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$val *= 1024;
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}
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}
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return (int) $val;
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}
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}
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?>
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