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| Current Path : /home/thenclexdoctor.com/public_html/app/Bitwise/ |
| Current File : /home/thenclexdoctor.com/public_html/app/Bitwise/Bitwise.php |
<?php
namespace App\Bitwise;
class Bitwise
{
/**
* @return array
*/
public function getList()
{
$class = new \ReflectionClass($this);
return $class->getConstants();
}
/**
* @param string|array|integer $keys
* @return integer|null
*/
public function getValue($keys)
{
$list = $this->getList();
$keysList = array_keys($list);
$value = null;
if (is_array($keys) && count($keys)) {
$value = [];
foreach ($keys as $key) {
$value[] = array_search(strtoupper($key), $keysList);
}
asort($value);
$value = array_values($value);
$bitsLength = $value[count($value) - 1] + 1;
$bits = array_fill(0, $bitsLength, 0);
for ($i = 0; $i <= $bitsLength; $i++) {
if (in_array($i, $value)) {
$bits[$i] = 1;
}
}
$value = base_convert(implode('', array_reverse($bits)), 2, 10);
} else if (is_string($keys) && $keys !== '') {
$value = $list[strtoupper($keys)];
}
return $value ? (int)$value : null;
}
public function getName($value)
{
$list = $this->getList();
$keys = array_keys($list);
$bin = base_convert($value, 10, 2);
$binary = str_split($bin);
$result = [];
if (!empty($binary) && is_array($binary)) {
$binary = array_reverse($binary);
}
foreach ($binary as $index => $bit) {
if ($bit == 1 and !empty($keys[$index])) {
$result[] = strtolower($keys[$index]);
}
}
return count($result) === 1 ? $result[0] : $result;
}
public function hasValue($value, $source)
{
return ($source & $value) === $value;
}
public function hasName($name, $source)
{
$value = $this->getValue($name);
return $this->hasValue($value, $source);
}
}
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