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68 lines
No EOL
1.9 KiB
PHP
68 lines
No EOL
1.9 KiB
PHP
<?php
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/**
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* @file include/environment.php
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* @brief Functions related to system/environment tasks.
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*
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* This file contains some functions to check the environment/system.
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*/
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/**
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* @brief Get some upload related limits from php.ini.
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*
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* This function returns values from php.ini like \b post_max_size,
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* \b max_file_uploads, \b upload_max_filesize.
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*
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* @return array associative array
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* * \e int \b post_max_size the maximum size of a complete POST in bytes
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* * \e int \b upload_max_filesize the maximum size of one file in bytes
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* * \e int \b max_file_uploads maximum number of files in one POST
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* * \e int \b max_upload_filesize min(post_max_size, upload_max_filesize)
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*/
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function getPhpiniUploadLimits() {
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$ret = array();
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// max size of the complete POST
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$ret['post_max_size'] = phpiniSizeToBytes(ini_get('post_max_size'));
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// max size of one file
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$ret['upload_max_filesize'] = phpiniSizeToBytes(ini_get('upload_max_filesize'));
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// catch a configuration error where post_max_size < upload_max_filesize
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$ret['max_upload_filesize'] = min(
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$ret['post_max_size'],
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$ret['upload_max_filesize']
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);
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// maximum number of files in one POST
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$ret['max_file_uploads'] = intval(ini_get('max_file_uploads'));
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return $ret;
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}
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/**
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* @brief Parses php_ini size settings to bytes.
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*
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* This function parses common size setting from php.ini files to bytes.
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* e.g. post_max_size = 8M ==> 8388608
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*
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* \note This method does not recognise other human readable formats like
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* 8MB, etc.
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*
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* @todo Make this function more universal useable. MB, T, etc.
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*
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* @param string $val value from php.ini e.g. 2M, 8M
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* @return int size in bytes
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*/
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function phpiniSizeToBytes($val) {
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$val = trim($val);
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$unit = strtolower($val[strlen($val)-1]);
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switch($unit) {
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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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$val *= 1024;
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default:
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break;
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}
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return (int)$val;
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} |