Edit File by line

<?php

[0] Fix | Delete

[1] Fix | Delete

if (class_exists('ParagonIE_Sodium_Core_Util', false)) {

[2] Fix | Delete

return;

[3] Fix | Delete

}

[4] Fix | Delete

[5] Fix | Delete

/**

[6] Fix | Delete

* Class ParagonIE_Sodium_Core_Util

[7] Fix | Delete

[8] Fix | Delete

abstract class ParagonIE_Sodium_Core_Util

[9] Fix | Delete

{

[10] Fix | Delete

/**

[11] Fix | Delete

* @param int $integer

[12] Fix | Delete

* @param int $size (16, 32, 64)

[13] Fix | Delete

* @return int

[14] Fix | Delete

[15] Fix | Delete

public static function abs($integer, $size = 0)

[16] Fix | Delete

{

[17] Fix | Delete

/** @var int $realSize */

[18] Fix | Delete

$realSize = (PHP_INT_SIZE << 3) - 1;

[19] Fix | Delete

if ($size) {

[20] Fix | Delete

--$size;

[21] Fix | Delete

} else {

[22] Fix | Delete

/** @var int $size */

[23] Fix | Delete

$size = $realSize;

[24] Fix | Delete

}

[25] Fix | Delete

[26] Fix | Delete

$negative = -(($integer >> $size) & 1);

[27] Fix | Delete

return (int) (

[28] Fix | Delete

($integer ^ $negative)

[29] Fix | Delete

[30] Fix | Delete

(($negative >> $realSize) & 1)

[31] Fix | Delete

);

[32] Fix | Delete

}

[33] Fix | Delete

[34] Fix | Delete

/**

[35] Fix | Delete

* Convert a binary string into a hexadecimal string without cache-timing

[36] Fix | Delete

* leaks

[37] Fix | Delete

[38] Fix | Delete

* @internal You should not use this directly from another application

[39] Fix | Delete

[40] Fix | Delete

* @param string $binaryString (raw binary)

[41] Fix | Delete

* @return string

[42] Fix | Delete

* @throws TypeError

[43] Fix | Delete

[44] Fix | Delete

public static function bin2hex($binaryString)

[45] Fix | Delete

{

[46] Fix | Delete

/* Type checks: */

[47] Fix | Delete

if (!is_string($binaryString)) {

[48] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($binaryString) . ' given.');

[49] Fix | Delete

}

[50] Fix | Delete

[51] Fix | Delete

$hex = '';

[52] Fix | Delete

$len = self::strlen($binaryString);

[53] Fix | Delete

for ($i = 0; $i < $len; ++$i) {

[54] Fix | Delete

/** @var array<int, int> $chunk */

[55] Fix | Delete

$chunk = unpack('C', $binaryString[$i]);

[56] Fix | Delete

/** @var int $c */

[57] Fix | Delete

$c = $chunk[1] & 0xf;

[58] Fix | Delete

/** @var int $b */

[59] Fix | Delete

$b = $chunk[1] >> 4;

[60] Fix | Delete

$hex .= pack(

[61] Fix | Delete

'CC',

[62] Fix | Delete

(87 + $b + ((($b - 10) >> 8) & ~38)),

[63] Fix | Delete

(87 + $c + ((($c - 10) >> 8) & ~38))

[64] Fix | Delete

);

[65] Fix | Delete

}

[66] Fix | Delete

return $hex;

[67] Fix | Delete

}

[68] Fix | Delete

[69] Fix | Delete

/**

[70] Fix | Delete

* Convert a binary string into a hexadecimal string without cache-timing

[71] Fix | Delete

* leaks, returning uppercase letters (as per RFC 4648)

[72] Fix | Delete

[73] Fix | Delete

* @internal You should not use this directly from another application

[74] Fix | Delete

[75] Fix | Delete

* @param string $bin_string (raw binary)

[76] Fix | Delete

* @return string

[77] Fix | Delete

* @throws TypeError

[78] Fix | Delete

[79] Fix | Delete

public static function bin2hexUpper($bin_string)

[80] Fix | Delete

{

[81] Fix | Delete

$hex = '';

[82] Fix | Delete

$len = self::strlen($bin_string);

[83] Fix | Delete

for ($i = 0; $i < $len; ++$i) {

[84] Fix | Delete

/** @var array<int, int> $chunk */

[85] Fix | Delete

$chunk = unpack('C', $bin_string[$i]);

[86] Fix | Delete

/**

[87] Fix | Delete

* Lower 16 bits

[88] Fix | Delete

[89] Fix | Delete

* @var int $c

[90] Fix | Delete

[91] Fix | Delete

$c = $chunk[1] & 0xf;

[92] Fix | Delete

[93] Fix | Delete

/**

[94] Fix | Delete

* Upper 16 bits

[95] Fix | Delete

* @var int $b

[96] Fix | Delete

[97] Fix | Delete

$b = $chunk[1] >> 4;

[98] Fix | Delete

[99] Fix | Delete

/**

[100] Fix | Delete

* Use pack() and binary operators to turn the two integers

[101] Fix | Delete

* into hexadecimal characters. We don't use chr() here, because

[102] Fix | Delete

* it uses a lookup table internally and we want to avoid

[103] Fix | Delete

* cache-timing side-channels.

[104] Fix | Delete

[105] Fix | Delete

$hex .= pack(

[106] Fix | Delete

'CC',

[107] Fix | Delete

(55 + $b + ((($b - 10) >> 8) & ~6)),

[108] Fix | Delete

(55 + $c + ((($c - 10) >> 8) & ~6))

[109] Fix | Delete

);

[110] Fix | Delete

}

[111] Fix | Delete

return $hex;

[112] Fix | Delete

}

[113] Fix | Delete

[114] Fix | Delete

/**

[115] Fix | Delete

* Cache-timing-safe variant of ord()

[116] Fix | Delete

[117] Fix | Delete

* @internal You should not use this directly from another application

[118] Fix | Delete

[119] Fix | Delete

* @param string $chr

[120] Fix | Delete

* @return int

[121] Fix | Delete

* @throws SodiumException

[122] Fix | Delete

* @throws TypeError

[123] Fix | Delete

[124] Fix | Delete

public static function chrToInt($chr)

[125] Fix | Delete

{

[126] Fix | Delete

/* Type checks: */

[127] Fix | Delete

if (!is_string($chr)) {

[128] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($chr) . ' given.');

[129] Fix | Delete

}

[130] Fix | Delete

if (self::strlen($chr) !== 1) {

[131] Fix | Delete

throw new SodiumException('chrToInt() expects a string that is exactly 1 character long');

[132] Fix | Delete

}

[133] Fix | Delete

/** @var array<int, int> $chunk */

[134] Fix | Delete

$chunk = unpack('C', $chr);

[135] Fix | Delete

return (int) ($chunk[1]);

[136] Fix | Delete

}

[137] Fix | Delete

[138] Fix | Delete

/**

[139] Fix | Delete

* Compares two strings.

[140] Fix | Delete

[141] Fix | Delete

* @internal You should not use this directly from another application

[142] Fix | Delete

[143] Fix | Delete

* @param string $left

[144] Fix | Delete

* @param string $right

[145] Fix | Delete

* @param int $len

[146] Fix | Delete

* @return int

[147] Fix | Delete

* @throws SodiumException

[148] Fix | Delete

* @throws TypeError

[149] Fix | Delete

[150] Fix | Delete

public static function compare($left, $right, $len = null)

[151] Fix | Delete

{

[152] Fix | Delete

$leftLen = self::strlen($left);

[153] Fix | Delete

$rightLen = self::strlen($right);

[154] Fix | Delete

if ($len === null) {

[155] Fix | Delete

$len = max($leftLen, $rightLen);

[156] Fix | Delete

$left = str_pad($left, $len, "\x00", STR_PAD_RIGHT);

[157] Fix | Delete

$right = str_pad($right, $len, "\x00", STR_PAD_RIGHT);

[158] Fix | Delete

}

[159] Fix | Delete

[160] Fix | Delete

$gt = 0;

[161] Fix | Delete

$eq = 1;

[162] Fix | Delete

$i = $len;

[163] Fix | Delete

while ($i !== 0) {

[164] Fix | Delete

--$i;

[165] Fix | Delete

$gt |= ((self::chrToInt($right[$i]) - self::chrToInt($left[$i])) >> 8) & $eq;

[166] Fix | Delete

$eq &= ((self::chrToInt($right[$i]) ^ self::chrToInt($left[$i])) - 1) >> 8;

[167] Fix | Delete

}

[168] Fix | Delete

return ($gt + $gt + $eq) - 1;

[169] Fix | Delete

}

[170] Fix | Delete

[171] Fix | Delete

/**

[172] Fix | Delete

* If a variable does not match a given type, throw a TypeError.

[173] Fix | Delete

[174] Fix | Delete

* @param mixed $mixedVar

[175] Fix | Delete

* @param string $type

[176] Fix | Delete

* @param int $argumentIndex

[177] Fix | Delete

* @throws TypeError

[178] Fix | Delete

* @throws SodiumException

[179] Fix | Delete

* @return void

[180] Fix | Delete

[181] Fix | Delete

public static function declareScalarType(&$mixedVar = null, $type = 'void', $argumentIndex = 0)

[182] Fix | Delete

{

[183] Fix | Delete

if (func_num_args() === 0) {

[184] Fix | Delete

/* Tautology, by default */

[185] Fix | Delete

return;

[186] Fix | Delete

}

[187] Fix | Delete

if (func_num_args() === 1) {

[188] Fix | Delete

throw new TypeError('Declared void, but passed a variable');

[189] Fix | Delete

}

[190] Fix | Delete

$realType = strtolower(gettype($mixedVar));

[191] Fix | Delete

$type = strtolower($type);

[192] Fix | Delete

switch ($type) {

[193] Fix | Delete

case 'null':

[194] Fix | Delete

if ($mixedVar !== null) {

[195] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be null, ' . $realType . ' given.');

[196] Fix | Delete

}

[197] Fix | Delete

break;

[198] Fix | Delete

case 'integer':

[199] Fix | Delete

case 'int':

[200] Fix | Delete

$allow = array('int', 'integer');

[201] Fix | Delete

if (!in_array($type, $allow)) {

[202] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be an integer, ' . $realType . ' given.');

[203] Fix | Delete

}

[204] Fix | Delete

$mixedVar = (int) $mixedVar;

[205] Fix | Delete

break;

[206] Fix | Delete

case 'boolean':

[207] Fix | Delete

case 'bool':

[208] Fix | Delete

$allow = array('bool', 'boolean');

[209] Fix | Delete

if (!in_array($type, $allow)) {

[210] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be a boolean, ' . $realType . ' given.');

[211] Fix | Delete

}

[212] Fix | Delete

$mixedVar = (bool) $mixedVar;

[213] Fix | Delete

break;

[214] Fix | Delete

case 'string':

[215] Fix | Delete

if (!is_string($mixedVar)) {

[216] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be a string, ' . $realType . ' given.');

[217] Fix | Delete

}

[218] Fix | Delete

$mixedVar = (string) $mixedVar;

[219] Fix | Delete

break;

[220] Fix | Delete

case 'decimal':

[221] Fix | Delete

case 'double':

[222] Fix | Delete

case 'float':

[223] Fix | Delete

$allow = array('decimal', 'double', 'float');

[224] Fix | Delete

if (!in_array($type, $allow)) {

[225] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be a float, ' . $realType . ' given.');

[226] Fix | Delete

}

[227] Fix | Delete

$mixedVar = (float) $mixedVar;

[228] Fix | Delete

break;

[229] Fix | Delete

case 'object':

[230] Fix | Delete

if (!is_object($mixedVar)) {

[231] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be an object, ' . $realType . ' given.');

[232] Fix | Delete

}

[233] Fix | Delete

break;

[234] Fix | Delete

case 'array':

[235] Fix | Delete

if (!is_array($mixedVar)) {

[236] Fix | Delete

if (is_object($mixedVar)) {

[237] Fix | Delete

if ($mixedVar instanceof ArrayAccess) {

[238] Fix | Delete

return;

[239] Fix | Delete

}

[240] Fix | Delete

}

[241] Fix | Delete

throw new TypeError('Argument ' . $argumentIndex . ' must be an array, ' . $realType . ' given.');

[242] Fix | Delete

}

[243] Fix | Delete

break;

[244] Fix | Delete

default:

[245] Fix | Delete

throw new SodiumException('Unknown type (' . $realType .') does not match expect type (' . $type . ')');

[246] Fix | Delete

}

[247] Fix | Delete

}

[248] Fix | Delete

[249] Fix | Delete

/**

[250] Fix | Delete

* Evaluate whether or not two strings are equal (in constant-time)

[251] Fix | Delete

[252] Fix | Delete

* @param string $left

[253] Fix | Delete

* @param string $right

[254] Fix | Delete

* @return bool

[255] Fix | Delete

* @throws SodiumException

[256] Fix | Delete

* @throws TypeError

[257] Fix | Delete

[258] Fix | Delete

public static function hashEquals($left, $right)

[259] Fix | Delete

{

[260] Fix | Delete

/* Type checks: */

[261] Fix | Delete

if (!is_string($left)) {

[262] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($left) . ' given.');

[263] Fix | Delete

}

[264] Fix | Delete

if (!is_string($right)) {

[265] Fix | Delete

throw new TypeError('Argument 2 must be a string, ' . gettype($right) . ' given.');

[266] Fix | Delete

}

[267] Fix | Delete

[268] Fix | Delete

if (is_callable('hash_equals')) {

[269] Fix | Delete

return hash_equals($left, $right);

[270] Fix | Delete

}

[271] Fix | Delete

$d = 0;

[272] Fix | Delete

/** @var int $len */

[273] Fix | Delete

$len = self::strlen($left);

[274] Fix | Delete

if ($len !== self::strlen($right)) {

[275] Fix | Delete

return false;

[276] Fix | Delete

}

[277] Fix | Delete

for ($i = 0; $i < $len; ++$i) {

[278] Fix | Delete

$d |= self::chrToInt($left[$i]) ^ self::chrToInt($right[$i]);

[279] Fix | Delete

}

[280] Fix | Delete

[281] Fix | Delete

if ($d !== 0) {

[282] Fix | Delete

return false;

[283] Fix | Delete

}

[284] Fix | Delete

return $left === $right;

[285] Fix | Delete

}

[286] Fix | Delete

[287] Fix | Delete

/**

[288] Fix | Delete

* Catch hash_update() failures and throw instead of silently proceeding

[289] Fix | Delete

[290] Fix | Delete

* @param HashContext|resource &$hs

[291] Fix | Delete

* @param string $data

[292] Fix | Delete

* @return void

[293] Fix | Delete

* @throws SodiumException

[294] Fix | Delete

* @psalm-suppress PossiblyInvalidArgument

[295] Fix | Delete

[296] Fix | Delete

protected static function hash_update(&$hs, $data)

[297] Fix | Delete

{

[298] Fix | Delete

if (!hash_update($hs, $data)) {

[299] Fix | Delete

throw new SodiumException('hash_update() failed');

[300] Fix | Delete

}

[301] Fix | Delete

}

[302] Fix | Delete

[303] Fix | Delete

/**

[304] Fix | Delete

* Convert a hexadecimal string into a binary string without cache-timing

[305] Fix | Delete

* leaks

[306] Fix | Delete

[307] Fix | Delete

* @internal You should not use this directly from another application

[308] Fix | Delete

[309] Fix | Delete

* @param string $hexString

[310] Fix | Delete

* @param string $ignore

[311] Fix | Delete

* @param bool $strictPadding

[312] Fix | Delete

* @return string (raw binary)

[313] Fix | Delete

* @throws RangeException

[314] Fix | Delete

* @throws TypeError

[315] Fix | Delete

[316] Fix | Delete

public static function hex2bin($hexString, $ignore = '', $strictPadding = false)

[317] Fix | Delete

{

[318] Fix | Delete

/* Type checks: */

[319] Fix | Delete

if (!is_string($hexString)) {

[320] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($hexString) . ' given.');

[321] Fix | Delete

}

[322] Fix | Delete

if (!is_string($ignore)) {

[323] Fix | Delete

throw new TypeError('Argument 2 must be a string, ' . gettype($hexString) . ' given.');

[324] Fix | Delete

}

[325] Fix | Delete

[326] Fix | Delete

$hex_pos = 0;

[327] Fix | Delete

$bin = '';

[328] Fix | Delete

$c_acc = 0;

[329] Fix | Delete

$hex_len = self::strlen($hexString);

[330] Fix | Delete

$state = 0;

[331] Fix | Delete

if (($hex_len & 1) !== 0) {

[332] Fix | Delete

if ($strictPadding) {

[333] Fix | Delete

throw new RangeException(

[334] Fix | Delete

'Expected an even number of hexadecimal characters'

[335] Fix | Delete

);

[336] Fix | Delete

} else {

[337] Fix | Delete

$hexString = '0' . $hexString;

[338] Fix | Delete

++$hex_len;

[339] Fix | Delete

}

[340] Fix | Delete

}

[341] Fix | Delete

[342] Fix | Delete

$chunk = unpack('C*', $hexString);

[343] Fix | Delete

while ($hex_pos < $hex_len) {

[344] Fix | Delete

++$hex_pos;

[345] Fix | Delete

/** @var int $c */

[346] Fix | Delete

$c = $chunk[$hex_pos];

[347] Fix | Delete

$c_num = $c ^ 48;

[348] Fix | Delete

$c_num0 = ($c_num - 10) >> 8;

[349] Fix | Delete

$c_alpha = ($c & ~32) - 55;

[350] Fix | Delete

$c_alpha0 = (($c_alpha - 10) ^ ($c_alpha - 16)) >> 8;

[351] Fix | Delete

if (($c_num0 | $c_alpha0) === 0) {

[352] Fix | Delete

if ($ignore && $state === 0 && strpos($ignore, self::intToChr($c)) !== false) {

[353] Fix | Delete

continue;

[354] Fix | Delete

}

[355] Fix | Delete

throw new RangeException(

[356] Fix | Delete

'hex2bin() only expects hexadecimal characters'

[357] Fix | Delete

);

[358] Fix | Delete

}

[359] Fix | Delete

$c_val = ($c_num0 & $c_num) | ($c_alpha & $c_alpha0);

[360] Fix | Delete

if ($state === 0) {

[361] Fix | Delete

$c_acc = $c_val * 16;

[362] Fix | Delete

} else {

[363] Fix | Delete

$bin .= pack('C', $c_acc | $c_val);

[364] Fix | Delete

}

[365] Fix | Delete

$state ^= 1;

[366] Fix | Delete

}

[367] Fix | Delete

return $bin;

[368] Fix | Delete

}

[369] Fix | Delete

[370] Fix | Delete

/**

[371] Fix | Delete

* Turn an array of integers into a string

[372] Fix | Delete

[373] Fix | Delete

* @internal You should not use this directly from another application

[374] Fix | Delete

[375] Fix | Delete

* @param array<int, int> $ints

[376] Fix | Delete

* @return string

[377] Fix | Delete

[378] Fix | Delete

public static function intArrayToString(array $ints)

[379] Fix | Delete

{

[380] Fix | Delete

$args = $ints;

[381] Fix | Delete

foreach ($args as $i => $v) {

[382] Fix | Delete

$args[$i] = (int) ($v & 0xff);

[383] Fix | Delete

}

[384] Fix | Delete

array_unshift($args, str_repeat('C', count($ints)));

[385] Fix | Delete

return (string) (call_user_func_array('pack', $args));

[386] Fix | Delete

}

[387] Fix | Delete

[388] Fix | Delete

/**

[389] Fix | Delete

* Cache-timing-safe variant of ord()

[390] Fix | Delete

[391] Fix | Delete

* @internal You should not use this directly from another application

[392] Fix | Delete

[393] Fix | Delete

* @param int $int

[394] Fix | Delete

* @return string

[395] Fix | Delete

* @throws TypeError

[396] Fix | Delete

[397] Fix | Delete

public static function intToChr($int)

[398] Fix | Delete

{

[399] Fix | Delete

return pack('C', $int);

[400] Fix | Delete

}

[401] Fix | Delete

[402] Fix | Delete

/**

[403] Fix | Delete

* Load a 3 character substring into an integer

[404] Fix | Delete

[405] Fix | Delete

* @internal You should not use this directly from another application

[406] Fix | Delete

[407] Fix | Delete

* @param string $string

[408] Fix | Delete

* @return int

[409] Fix | Delete

* @throws RangeException

[410] Fix | Delete

* @throws TypeError

[411] Fix | Delete

[412] Fix | Delete

public static function load_3($string)

[413] Fix | Delete

{

[414] Fix | Delete

/* Type checks: */

[415] Fix | Delete

if (!is_string($string)) {

[416] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');

[417] Fix | Delete

}

[418] Fix | Delete

[419] Fix | Delete

/* Input validation: */

[420] Fix | Delete

if (self::strlen($string) < 3) {

[421] Fix | Delete

throw new RangeException(

[422] Fix | Delete

'String must be 3 bytes or more; ' . self::strlen($string) . ' given.'

[423] Fix | Delete

);

[424] Fix | Delete

}

[425] Fix | Delete

/** @var array<int, int> $unpacked */

[426] Fix | Delete

$unpacked = unpack('V', $string . "\0");

[427] Fix | Delete

return (int) ($unpacked[1] & 0xffffff);

[428] Fix | Delete

}

[429] Fix | Delete

[430] Fix | Delete

/**

[431] Fix | Delete

* Load a 4 character substring into an integer

[432] Fix | Delete

[433] Fix | Delete

* @internal You should not use this directly from another application

[434] Fix | Delete

[435] Fix | Delete

* @param string $string

[436] Fix | Delete

* @return int

[437] Fix | Delete

* @throws RangeException

[438] Fix | Delete

* @throws TypeError

[439] Fix | Delete

[440] Fix | Delete

public static function load_4($string)

[441] Fix | Delete

{

[442] Fix | Delete

/* Type checks: */

[443] Fix | Delete

if (!is_string($string)) {

[444] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');

[445] Fix | Delete

}

[446] Fix | Delete

[447] Fix | Delete

/* Input validation: */

[448] Fix | Delete

if (self::strlen($string) < 4) {

[449] Fix | Delete

throw new RangeException(

[450] Fix | Delete

'String must be 4 bytes or more; ' . self::strlen($string) . ' given.'

[451] Fix | Delete

);

[452] Fix | Delete

}

[453] Fix | Delete

/** @var array<int, int> $unpacked */

[454] Fix | Delete

$unpacked = unpack('V', $string);

[455] Fix | Delete

return (int) $unpacked[1];

[456] Fix | Delete

}

[457] Fix | Delete

[458] Fix | Delete

/**

[459] Fix | Delete

* Load a 8 character substring into an integer

[460] Fix | Delete

[461] Fix | Delete

* @internal You should not use this directly from another application

[462] Fix | Delete

[463] Fix | Delete

* @param string $string

[464] Fix | Delete

* @return int

[465] Fix | Delete

* @throws RangeException

[466] Fix | Delete

* @throws SodiumException

[467] Fix | Delete

* @throws TypeError

[468] Fix | Delete

[469] Fix | Delete

public static function load64_le($string)

[470] Fix | Delete

{

[471] Fix | Delete

/* Type checks: */

[472] Fix | Delete

if (!is_string($string)) {

[473] Fix | Delete

throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');

[474] Fix | Delete

}

[475] Fix | Delete

[476] Fix | Delete

/* Input validation: */

[477] Fix | Delete

if (self::strlen($string) < 4) {

[478] Fix | Delete

throw new RangeException(

[479] Fix | Delete

'String must be 4 bytes or more; ' . self::strlen($string) . ' given.'

[480] Fix | Delete

);

[481] Fix | Delete

}

[482] Fix | Delete

if (PHP_VERSION_ID >= 50603 && PHP_INT_SIZE === 8) {

[483] Fix | Delete

/** @var array<int, int> $unpacked */

[484] Fix | Delete

$unpacked = unpack('P', $string);

[485] Fix | Delete

return (int) $unpacked[1];

[486] Fix | Delete

}

[487] Fix | Delete

[488] Fix | Delete

/** @var int $result */

[489] Fix | Delete

$result = (self::chrToInt($string[0]) & 0xff);

[490] Fix | Delete

$result |= (self::chrToInt($string[1]) & 0xff) << 8;

[491] Fix | Delete

$result |= (self::chrToInt($string[2]) & 0xff) << 16;

[492] Fix | Delete

$result |= (self::chrToInt($string[3]) & 0xff) << 24;

[493] Fix | Delete

$result |= (self::chrToInt($string[4]) & 0xff) << 32;

[494] Fix | Delete

$result |= (self::chrToInt($string[5]) & 0xff) << 40;

[495] Fix | Delete

$result |= (self::chrToInt($string[6]) & 0xff) << 48;

[496] Fix | Delete

$result |= (self::chrToInt($string[7]) & 0xff) << 56;

[497] Fix | Delete

return (int) $result;

[498] Fix | Delete

}

[499] Fix | Delete