v1.0 Initial commit of project

vendor/khanamiryan/qrcode-detector-decoder/lib/Common/customFunctions.php

@@ -0,0 +1,103 @@
+<?php
+
+if (!function_exists('arraycopy')) {
+	function arraycopy($srcArray, $srcPos, $destArray, $destPos, $length)
+	{
+		$srcArrayToCopy = array_slice($srcArray, $srcPos, $length);
+		array_splice($destArray, $destPos, $length, $srcArrayToCopy);
+
+		return $destArray;
+	}
+}
+
+if (!function_exists('hashCode')) {
+	function hashCode($s)
+	{
+		$h = 0;
+		$len = strlen((string) $s);
+		for ($i = 0; $i < $len; $i++) {
+			$h = (31 * $h + ord($s[$i]));
+		}
+
+		return $h;
+	}
+}
+
+if (!function_exists('numberOfTrailingZeros')) {
+	function numberOfTrailingZeros($i)
+	{
+		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, $b)
+	{
+		if ($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 $int[1];
+	}
+}
+
+
+if (!function_exists('fill_array')) {
+	function fill_array($index, $count, $value)
+	{
+		if ($count <= 0) {
+			return [0];
+		}
+
+		return array_fill($index, $count, $value);
+	}
+}