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function.php
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104 lines (95 loc) · 1.65 KB
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<?php
/**
* 获取文件后缀
*
* @param $file_dir
*
* @return string
*/
function get_extension($file_dir)
{
$file_name = basename($file_dir);
$extension = ltrim(strrchr($file_name, '.'), '.');
return $extension;
}
/**
* 获取命令输出返回
*
* @param $command
*
* @return mixed
*/
function get_command_result($command)
{
$command = $command . ' 2>&1';
exec($command, $result);
return $result;
}
/**
* 文件大小格式化
*
* @param $size
* @param int $i
*
* @return string
*/
function format_size($size, $i = 1)
{
$format = [
1 => 'B',
2 => 'KB',
3 => 'MB',
4 => 'GB',
5 => 'TB',
// ...哪会那么大 :)
];
while ($size > 1024) {
$i++;
$size = $size / 1024;
format_size($size, $i);
}
$size = number_format($size, 4);
return $size . ' ' . $format[$i];
}
/**
* 时间格式化
*
* @param $duration
* @param int $i
*
* @return string
*/
function format_duration($duration, $i = 1)
{
$format = [
1 => 'Seconds',
2 => 'Minutes',
3 => 'Hours',
];
while ($duration >= 60) {
$i++;
$duration = $duration / 60;
format_duration($duration, $i);
}
$duration = number_format($duration, 1);
return $duration . ' ' . $format[$i];
}
/**
* 交互方法(输出展示)
*
* @param $text
*
* @return bool|string
*/
function input($text)
{
print $text . "\n";
$fp = fopen('php://stdin', 'r');
$input = fgets($fp, 1024);
fclose($fp);
$input = trim($input, "\n");
if (!$input) {
input($text);
}
return $input;
}