119 lines
4.7 KiB
PHP
119 lines
4.7 KiB
PHP
<?php
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/*
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+--------------------------------------------------------------------+
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| CiviCRM version 4.7 |
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+--------------------------------------------------------------------+
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| Copyright CiviCRM LLC (c) 2004-2017 |
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+--------------------------------------------------------------------+
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| This file is a part of CiviCRM. |
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| CiviCRM is free software; you can copy, modify, and distribute it |
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| under the terms of the GNU Affero General Public License |
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| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
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| CiviCRM 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. |
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| See the GNU Affero General Public License for more details. |
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| You should have received a copy of the GNU Affero General Public |
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| License and the CiviCRM Licensing Exception along |
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| with this program; if not, contact CiviCRM LLC |
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| at info[AT]civicrm[DOT]org. If you have questions about the |
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| GNU Affero General Public License or the licensing of CiviCRM, |
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| see the CiviCRM license FAQ at http://civicrm.org/licensing |
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+--------------------------------------------------------------------+
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*/
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/**
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* @package CRM
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* @copyright CiviCRM LLC (c) 2004-2017
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*/
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/**
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* Class CRM_Utils_Number
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*/
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class CRM_Utils_Number {
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/**
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* Create a random number with a given precision.
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*
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* @param array $precision
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* (int $significantDigits, int $postDecimalDigits).
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*
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* @return float
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*
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* @link https://dev.mysql.com/doc/refman/5.1/en/fixed-point-types.html
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*/
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public static function createRandomDecimal($precision) {
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list ($sigFigs, $decFigs) = $precision;
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$rand = rand(0, pow(10, $sigFigs) - 1);
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return $rand / pow(10, $decFigs);
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}
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/**
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* Given a number, coerce it to meet the precision requirement. If possible, it should
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* keep the number as-is. If necessary, this may drop the least-significant digits
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* and/or move the decimal place.
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*
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* @param int|float $keyValue
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* @param array $precision
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* (int $significantDigits, int $postDecimalDigits).
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* @return float
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* @link https://dev.mysql.com/doc/refman/5.1/en/fixed-point-types.html
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*/
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public static function createTruncatedDecimal($keyValue, $precision) {
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list ($sigFigs, $decFigs) = $precision;
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$sign = ($keyValue < 0) ? '-1' : 1;
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$val = str_replace('.', '', abs($keyValue)); // ex: -123.456 ==> 123456
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$val = substr($val, 0, $sigFigs); // ex: 123456 => 1234
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// Move any extra digits after decimal
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$extraFigs = strlen($val) - ($sigFigs - $decFigs);
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if ($extraFigs > 0) {
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return $sign * $val / pow(10, $extraFigs); // ex: 1234 => 1.234
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}
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else {
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return $sign * $val;
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}
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}
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/**
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* Some kind of numbery-looky-printy thing.
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*
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* @param string $size
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* @param bool $checkForPostMax
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*
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* @return int
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*/
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public static function formatUnitSize($size, $checkForPostMax = FALSE) {
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if ($size) {
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$last = strtolower($size{strlen($size) - 1});
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switch ($last) {
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// The 'G' modifier is available since PHP 5.1.0
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case 'g':
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$size *= 1024;
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case 'm':
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$size *= 1024;
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case 'k':
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$size *= 1024;
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}
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if ($checkForPostMax) {
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$maxImportFileSize = self::formatUnitSize(ini_get('upload_max_filesize'));
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$postMaxSize = self::formatUnitSize(ini_get('post_max_size'));
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if ($maxImportFileSize > $postMaxSize && $postMaxSize == $size) {
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CRM_Core_Session::setStatus(ts("Note: Upload max filesize ('upload_max_filesize') should not exceed Post max size ('post_max_size') as defined in PHP.ini, please check with your system administrator."), ts("Warning"), "alert");
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}
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// respect php.ini upload_max_filesize
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if ($size > $maxImportFileSize && $size !== $postMaxSize) {
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$size = $maxImportFileSize;
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CRM_Core_Session::setStatus(ts("Note: Please verify your configuration for Maximum File Size (in MB) <a href='%1'>Administrator >> System Settings >> Misc</a>. It should support 'upload_max_size' as defined in PHP.ini.Please check with your system administrator.", array(1 => CRM_Utils_System::url('civicrm/admin/setting/misc', 'reset=1'))), ts("Warning"), "alert");
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}
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}
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return $size;
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}
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}
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}
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