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<?php
namespace React\Http\Io;
/**
* @internal
*/
final class IniUtil
{
/**
* Convert a ini like size to a numeric size in bytes.
*
* @param string $size
* @return int
*/
public static function iniSizeToBytes($size)
{
if (\is_numeric($size)) {
return (int)$size;
}
$suffix = \strtoupper(\substr($size, -1));
$strippedSize = \substr($size, 0, -1);
if (!\is_numeric($strippedSize)) {
throw new \InvalidArgumentException("$size is not a valid ini size");
}
if ($strippedSize <= 0) {
throw new \InvalidArgumentException("Expect $size to be higher isn't zero or lower");
}
if ($suffix === 'K') {
return $strippedSize * 1024;
}
if ($suffix === 'M') {
return $strippedSize * 1024 * 1024;
}
if ($suffix === 'G') {
return $strippedSize * 1024 * 1024 * 1024;
}
if ($suffix === 'T') {
return $strippedSize * 1024 * 1024 * 1024 * 1024;
}
return (int)$size;
}
}
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