serviceHelper.php
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<?php
class serviceHelper{
public function __construct(){
throw new Exception('ServiceHelper is only to be used statically');
}
function bool2str($bool){
//TODO: Test this sometime.. a lot shorter - doesn't cater for string though.. but if string then result already correct
//return ((bool)$bool)?'true':false;
if (is_bool($bool))
{
return $bool ? 'true' : 'false';
}
if (is_numeric($bool))
{
return ($bool+0) ? 'true' : 'false';
}
// assume str
return (strtolower($bool) == 'true') ? 'true' : 'false';
}
/**
* Return human readable sizes
*
* @param integer $size The size you want to convert to human readable
* @return string
*/
function fsize_desc($size){
$i=0;
$iec = array("B", "Kb", "Mb", "Gb", "Tb");
while (($size/1024)>1) {
$size=$size/1024;
$i++;
}
return substr($size,0,strpos($size,'.')+3).$iec[$i];
}
/**
* Display byte sizes in human readable representations
*
* @param integer $size Size to represent
* @param string $max Maximum representational unit (eg B,KB,MB)
* @param string $system Selecting the system of representation (si,bi&c1 defined)
* @param string $retstring Format for the return string.
* @return String
*/
function size_readable($size, $max = null, $system = 'c1', $retstring = '%01.1f %s'){
// Pick units
$systems['si']['prefix'] = array('B', 'K', 'MB', 'GB', 'TB', 'PB');
$systems['si']['size'] = 1000;
$systems['bi']['prefix'] = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB');
$systems['bi']['size'] = 1024;
$systems['c1']['prefix'] = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
$systems['c1']['size'] = 1024;
$sys = isset($systems[$system]) ? $systems[$system] : $systems['si'];
// Max unit to display
$depth = count($sys['prefix']) - 1;
if ($max && false !== $d = array_search($max, $sys['prefix'])) {
$depth = $d;
}
// Loop
$i = 0;
while ($size >= $sys['size'] && $i < $depth) {
$size /= $sys['size'];
$i++;
}
return sprintf(($sys['prefix'][$i]=='B'?'%01d %s':$retstring), $size, $sys['prefix'][$i]);
}
function size_kb($size = NULL){
$size=$size/1024;
$size=sprintf("%0.2f",$size).' KB';
return $size;
}
}
?>