david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
75 lines
2.1 KiB
PHP
75 lines
2.1 KiB
PHP
<?php
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class serviceHelper{
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public function __construct(){
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throw new Exception('ServiceHelper is only to be used statically');
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}
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function bool2str($bool){
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//TODO: Test this sometime.. a lot shorter - doesn't cater for string though.. but if string then result already correct
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//return ((bool)$bool)?'true':false;
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if (is_bool($bool))
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{
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return $bool ? 'true' : 'false';
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}
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if (is_numeric($bool))
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{
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return ($bool+0) ? 'true' : 'false';
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}
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// assume str
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return (strtolower($bool) == 'true') ? 'true' : 'false';
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}
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/**
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* Return human readable sizes
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*
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* @param integer $size The size you want to convert to human readable
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* @return string
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*/
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function fsize_desc($size){
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$i=0;
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$iec = array("B", "Kb", "Mb", "Gb", "Tb");
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while (($size/1024)>1) {
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$size=$size/1024;
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$i++;
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}
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return substr($size,0,strpos($size,'.')+3).$iec[$i];
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}
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/**
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* Display byte sizes in human readable representations
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*
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* @param integer $size Size to represent
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* @param string $max Maximum representational unit (eg B,KB,MB)
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* @param string $system Selecting the system of representation (si,bi&c1 defined)
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* @param string $retstring Format for the return string.
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* @return String
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*/
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function size_readable($size, $max = null, $system = 'c1', $retstring = '%01.1f %s'){
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// Pick units
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$systems['si']['prefix'] = array('B', 'K', 'MB', 'GB', 'TB', 'PB');
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$systems['si']['size'] = 1000;
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$systems['bi']['prefix'] = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB');
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$systems['bi']['size'] = 1024;
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$systems['c1']['prefix'] = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
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$systems['c1']['size'] = 1024;
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$sys = isset($systems[$system]) ? $systems[$system] : $systems['si'];
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// Max unit to display
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$depth = count($sys['prefix']) - 1;
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if ($max && false !== $d = array_search($max, $sys['prefix'])) {
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$depth = $d;
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}
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// Loop
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$i = 0;
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while ($size >= $sys['size'] && $i < $depth) {
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$size /= $sys['size'];
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$i++;
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}
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return sprintf(($sys['prefix'][$i]=='B'?'%01d %s':$retstring), $size, $sys['prefix'][$i]);
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}
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}
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?>
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