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<?php
class Misc
{
/**
* Returns human size
*/
public static function getSize($filesize, $precision = 2)
{
$units = array('', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y');
foreach ($units as $idUnit => $unit)
{
if ($filesize > 1024)
$filesize /= 1024;
else
break;
}
return round($filesize, $precision).' '.$units[$idUnit].'B';
}
/**
* Returns hostname
*/
public static function getHostname()
{
return php_uname('n');
}
/**
* Returns CPU cores number
*/
public static function getCpuCoresNumber()
{
if (!($num_cores = shell_exec('/bin/grep -c ^processor /proc/cpuinfo')))
{
if (!($num_cores = trim(shell_exec('/usr/bin/nproc'))))
{
$num_cores = 1;
}
}
if ((int)$num_cores <= 0)
$num_cores = 1;
return (int)$num_cores;
}
/**
* Returns server IP
*/
public static function getLanIp()
{
return $_SERVER['SERVER_ADDR'];
}
/**
* Returns a command that exists in the system among $cmds
*/
public static function whichCommand($cmds, $args = '', $returnWithArgs = true)
{
$return = '';
foreach ($cmds as $cmd)
{
if (trim(shell_exec($cmd.$args)) != '')
{
$return = $cmd;
if ($returnWithArgs)
$return .= $args;
break;
}
}
return $return;
}
/**
* Allows to pluralize a word based on a number
* Ex : echo 'mot'.Misc::pluralize(5); ==> prints mots
* Ex : echo 'cheva'.Misc::pluralize(5, 'ux', 'l'); ==> prints chevaux
* Ex : echo 'cheva'.Misc::pluralize(1, 'ux', 'l'); ==> prints cheval
*
* @param int $nb
* @param string $plural
* @param string $singular
*
* @return string
*/
public static function pluralize($nb, $plural = 's', $singular = '')
{
return $nb > 1 ? $plural : $singular;
}
}
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