99 строки
2.9 KiB
PHP
Executable File
99 строки
2.9 KiB
PHP
Executable File
<?php
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This script contains utility functions used by multiple other scripts.
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// Function to safely escape variables handed to awk
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function awk_quote($string) {
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return strtr(preg_replace("/([\]\[^$.*?+{}\/\\\\()|])/", '\\\\$1', $string),
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array('`'=>'\140',"'"=>'\047'));
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}
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// Function to sanitize names to be used in IDs, etc.
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function sanitize_name($string, $maxlength = 0) {
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$conv_name = strtolower(iconv('UTF-8', 'ASCII//TRANSLIT', $string));
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$newname = ''; $i = 0;
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while (($i < strlen($conv_name)) && (!$maxlength || (strlen($newname) < $maxlength))) {
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if (((ord($conv_name{$i}) >= 48) && (ord($conv_name{$i}) <= 57)) ||
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((ord($conv_name{$i}) >= 97) && (ord($conv_name{$i}) <= 122))) {
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$newname .= $conv_name{$i};
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}
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elseif (strlen($newname) && ($newname{strlen($newname)-1} != '_')) {
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$newname .= '_';
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}
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$i++;
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}
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$newname = trim($newname, '_');
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return $newname;
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}
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// Function to calculate square of value - mean
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function arr_mean($array) { return array_sum($array) / count($array); }
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// Function to calculate square of value - mean
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function dist_square($x, $mean) { return pow($x - $mean, 2); }
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// Function to calculate standard deviation (uses sist_square)
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function arr_stddev($array, $mean = null) {
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// square root of sum of squares devided by N-1
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if (is_null($mean)) { $mean = arr_mean($array); }
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return sqrt(array_sum(array_map('dist_square', $array,
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array_fill(0, count($array), $mean))) /
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(count($array) - 1));
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}
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// Function to format a numerical value with units
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function formatValue($aValue, $aPrecision, $aUnit) {
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$formatted = '';
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if ($aUnit == 'kMG') {
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$val = $aValue;
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$prec = $aPrecision;
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$unit = '';
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if ($aValue > 1e10) {
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$prec = ($prec === null) ? 0 : $prec;
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$val = round($val / 1e9, $prec);
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$unit = 'G';
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}
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elseif ($aValue > 1e9) {
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$prec = ($prec === null) ? 1 : $prec;
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$val = round($val / 1e9, $prec);
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$unit = 'G';
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}
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elseif ($aValue > 1e7) {
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$prec = ($prec === null) ? 0 : $prec;
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$val = round($val / 1e6, $prec);
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$unit = 'M';
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}
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elseif ($aValue > 1e6) {
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$prec = ($prec === null) ? 1 : $prec;
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$val = round($val / 1e6, $prec);
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$unit = 'M';
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}
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elseif ($aValue > 1e4) {
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$prec = ($prec === null) ? 0 : $prec;
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$val = round($val / 1e3, $prec);
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$unit = 'k';
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}
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elseif ($aValue > 1e3) {
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$prec = ($prec === null) ? 1 : $prec;
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$val = round($val / 1e3, $prec);
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$unit = 'k';
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}
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elseif ($prec !== null) {
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$val = round($val, $prec);
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}
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$formatted = $val.$unit;
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}
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else {
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$formatted = round($aValue, $aPrecision);
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if ($aUnit)
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$formatted .= $aUnit;
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}
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return $formatted;
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}
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?>
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