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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Server\Status\Server\Memory; |
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use Innmind\Server\Status\Exception\{ |
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BytesCannotBeNegative, |
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UnknownBytesFormat |
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}; |
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use Innmind\Immutable\Str; |
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final class Bytes |
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{ |
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public const BYTES = 1024; |
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public const KILOBYTES = 1024 ** 2; |
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public const MEGABYTES = 1024 ** 3; |
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public const GIGABYTES = 1024 ** 4; |
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public const TERABYTES = 1024 ** 5; |
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public const PETABYTES = 1024 ** 6; |
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private $value; |
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private $string; |
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public function __construct(int $value) |
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{ |
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if ($value < 0) { |
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throw new BytesCannotBeNegative; |
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} |
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$this->value = $value; |
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switch (true) { |
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case $value < self::BYTES: |
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$this->string = $value.'B'; |
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break; |
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case $value < self::KILOBYTES: |
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$this->string = sprintf( |
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'%sKB', |
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round($value/self::BYTES, 3) |
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); |
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break; |
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case $value < self::MEGABYTES: |
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$this->string = sprintf( |
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'%sMB', |
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round($value/self::KILOBYTES, 3) |
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); |
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break; |
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case $value < self::GIGABYTES: |
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$this->string = sprintf( |
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'%sGB', |
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round($value/self::MEGABYTES, 3) |
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); |
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break; |
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case $value < self::TERABYTES: |
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$this->string = sprintf( |
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'%sTB', |
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round($value/self::GIGABYTES, 3) |
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); |
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break; |
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case $value < self::PETABYTES: |
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$this->string = sprintf( |
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'%sPB', |
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round($value/self::TERABYTES, 3) |
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); |
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break; |
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} |
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102 |
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} |
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public function toInt(): int |
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{ |
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return $this->value; |
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} |
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public function __toString(): string |
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{ |
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return $this->string; |
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} |
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public static function of(string $bytes): self |
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{ |
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if ($bytes === (string) (int) $bytes) { |
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return new self((int) $bytes); |
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} |
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$bytes = new Str($bytes); |
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if ($bytes->length() < 2) { |
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throw new UnknownBytesFormat; |
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} |
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try { |
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return self::fromUnit( |
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$bytes->substring(0, -1), |
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$bytes->substring(-1) |
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); |
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} catch (UnknownBytesFormat $e) { |
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return self::fromUnit( |
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$bytes->substring(0, -2), |
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$bytes->substring(-2) |
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); |
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} |
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} |
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/** |
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* @deprecated |
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* @see self::of() |
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*/ |
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public static function fromString(string $bytes): self |
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{ |
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return self::of($bytes); |
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} |
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48 |
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private static function fromUnit(Str $bytes, Str $unit): self |
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{ |
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48 |
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if ($bytes->length() === 0) { |
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3 |
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throw new UnknownBytesFormat; |
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} |
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48 |
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switch ((string) $unit) { |
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case 'B': |
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case 'Bi': |
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$multiplier = 1; |
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break; |
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case 'K': |
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case 'Ki': |
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$multiplier = Bytes::BYTES; |
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break; |
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42 |
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case 'M': |
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case 'Mi': |
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$multiplier = Bytes::KILOBYTES; |
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break; |
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case 'G': |
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case 'Gi': |
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$multiplier = Bytes::MEGABYTES; |
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break; |
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case 'T': |
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case 'Ti': |
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$multiplier = Bytes::GIGABYTES; |
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break; |
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149
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150
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case 'P': |
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24 |
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case 'Pi': |
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6 |
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$multiplier = Bytes::TERABYTES; |
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6 |
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break; |
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154
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155
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default: |
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throw new UnknownBytesFormat; |
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157
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} |
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158
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159
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42 |
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return new self( |
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42 |
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(int) (((float) (string) $bytes) * $multiplier) |
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161
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); |
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162
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} |
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163
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} |
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164
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Innmind /
ServerStatus
