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| Current File : /var/www/html/shardahospital.org/pdms/php-qrcode/lib/Common/customFunctions.php |
<?php
if (!function_exists('arraycopy')) {
function arraycopy($srcArray, $srcPos, $destArray, $destPos, $length): array
{
$srcArrayToCopy = array_slice($srcArray, $srcPos, $length);
array_splice($destArray, $destPos, $length, $srcArrayToCopy);
return $destArray;
}
}
if (!function_exists('hashCode')) {
function hashCode($s): int
{
$h = 0;
$len = strlen((string) $s);
for ($i = 0; $i < $len; $i++) {
$h = (31 * $h + ord($s[$i]));
}
return $h;
}
}
if (!function_exists('numberOfTrailingZeros')) {
/**
* @psalm-return 0|32|positive-int
*/
function numberOfTrailingZeros($i): int
{
if ($i == 0) {
return 32;
}
$num = 0;
while (($i & 1) == 0) {
$i >>= 1;
$num++;
}
return $num;
}
}
if (!function_exists('uRShift')) {
function uRShift($a, $b)
{
static $mask = (8 * PHP_INT_SIZE - 1);
if ($b === 0) {
return $a;
}
return ($a >> $b) & ~(1 << $mask >> ($b - 1));
}
}
/*
function sdvig3($num,$count=1){//>>> 32 bit
$s = decbin($num);
$sarray = str_split($s,1);
$sarray = array_slice($sarray,-32);//32bit
for($i=0;$i<=1;$i++) {
array_pop($sarray);
array_unshift($sarray, '0');
}
return bindec(implode($sarray));
}
*/
if (!function_exists('sdvig3')) {
function sdvig3($a, $b): float|int
{
if ($a >= 0) {
return bindec(decbin($a >> $b)); //simply right shift for positive number
}
$bin = decbin($a >> $b);
$bin = substr($bin, $b); // zero fill on the left side
return bindec($bin);
}
}
if (!function_exists('floatToIntBits')) {
function floatToIntBits($float_val)
{
$int = unpack('i', pack('f', $float_val));
return $int[1];
}
}
if (!function_exists('fill_array')) {
/**
* @psalm-return array<int, mixed>
*/
function fill_array($index, $count, $value): array
{
if ($count <= 0) {
return [0];
}
return array_fill($index, $count, $value);
}
}
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