public static function decrypt($text, $options = array())
{
if (!function_exists('mcrypt_decrypt')) {
throw new Alt_Exception("PHP Mcrypt extension is not enabled");
}
$options = array_union($options, array('algorithm' => MCRYPT_RIJNDAEL_128, 'mode' => MCRYPT_MODE_CBC, 'key' => Alt::$config['app']['id'], 'iv' => Alt::$config['app']['id']));
return rtrim(mcrypt_decrypt($options['algorithm'], $options['key'], base64_decode($text), $options['mode'], $options['iv'] ? $options['iv'] : mcrypt_create_iv(mcrypt_get_iv_size($options['algorithm'], $options['mode']), MCRYPT_DEV_URANDOM)), "");
}
public function set_body($data = array())
{
$data = array_union($data, $this->data);
$body = "";
if (function_exists("http_build_query")) {
$body = http_build_query($data);
} else {
foreach ($data as $key => $value) {
$body .= $key . '=' . $value . '&';
}
rtrim($body, '&');
}
return $body;
}
function jaccard_similarity($file1, $file2)
{
//get an array of all of the tokens in each file
$tokens1 = tokenize_file($file1);
$tokens2 = tokenize_file($file2);
//make an intersection array and a union array
$inter = array_intersection($tokens1, $tokens2);
$union = array_union($tokens1, $tokens2);
//similarity coefficient is sizeof(intersection)/sizeof(union)
$jac = 0;
if (sizeof($union) > 0) {
$jac = sizeof($inter) / sizeof($union);
}
return $jac;
}
public function connect()
{
if ($this->_connection) {
return;
}
if (Alt_Database_Mysql::$_set_names === NULL) {
// Determine if we can use mysql_set_charset(), which is only
// available on PHP 5.2.3+ when compiled against Mysql 5.0+
Alt_Database_Mysql::$_set_names = !function_exists('mysqli_set_charset');
}
// Extract the connection parameters, adding required variabels
extract(array_union($this->_config['connection'], array('database' => '', 'hostname' => '', 'username' => '', 'password' => '', 'port' => 3306, 'persistent' => FALSE)));
// Prevent this information from showing up in traces
unset($this->_config['connection']['username'], $this->_config['connection']['password']);
try {
if ($persistent) {
// Create a persistent connection
$this->_connection = mysqli_connect("p:" . $hostname, $username, $password, null, $port);
} else {
// Create a connection and force it to be a new link
$this->_connection = mysqli_connect($hostname, $username, $password, null, $port);
}
if (!$this->_connection) {
throw new Alt_Exception(mysqli_connect_error());
}
} catch (Exception $e) {
// No connection exists
$this->_connection = NULL;
throw new Alt_Exception($e->getMessage());
}
// \xFF is a better delimiter, but the PHP driver uses underscore
$this->_connection_id = sha1($hostname . '_' . $username . '_' . $password);
$this->_select_db($database);
if (!empty($this->_config['charset'])) {
// Set the character set
$this->set_charset($this->_config['charset']);
}
if (!empty($this->_config['connection']['variables'])) {
// Set session variables
$variables = array();
foreach ($this->_config['connection']['variables'] as $var => $val) {
$variables[] = 'SESSION ' . $var . ' = ' . $this->quote($val);
}
mysqli_query($this->_connection, 'SET ' . implode(', ', $variables));
}
}
public function connect()
{
if ($this->_connection) {
return;
}
// Extract the connection parameters, adding required variabels
extract(array_union($this->_config['connection'], array('dsn' => '', 'username' => NULL, 'password' => NULL, 'persistent' => FALSE)));
// Clear the connection parameters for security
unset($this->_config['connection']);
// Force PDO to use exceptions for all errors
$options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_EXCEPTION;
if (!empty($persistent)) {
// Make the connection persistent
$options[PDO::ATTR_PERSISTENT] = TRUE;
}
try {
// Create a new PDO connection
$this->_connection = new PDO($dsn, $username, $password, $options);
} catch (PDOException $e) {
throw new Alt_Exception($e->getMessage());
}
}
function array_dif(array $a, array $b)
{
if (count($a) == 0 or count($b) == 0) {
return array_union($a, $b);
}
$c = array_diff($a, $b);
$d = array_diff($b, $a);
$e = array_union($c, $d);
return $e;
}
function array_union()
{
$argsCount = func_num_args();
if ($argsCount < 2) {
return false;
} else {
if (2 === $argsCount) {
list($arr1, $arr2) = func_get_args();
while (list($k, $v) = each($arr2)) {
if (!in_array($v, $arr1)) {
$arr1[] = $v;
}
}
return $arr1;
} else {
// 三个以上的数组合并
$arg_list = func_get_args();
$all = call_user_func_array('array_union', $arg_list);
return array_union($arg_list[0], $all);
}
}
}
function step($string, $cnf)
{
$cyk = cyk($string, $cnf);
for ($i = 1; $i <= count($string); $i++) {
echo "T<sub>" . $i . "1</sub> = " . $string[$i - 1] . " = " . implode(", ", cari($string[$i - 1], $cnf)) . "<br>";
}
echo "<br>";
for ($j = 2; $j <= count($string); $j++) {
for ($i = 1; $i <= count($string) - $j + 1; $i++) {
$tot = array();
for ($k = 1; $k <= $j - 1; $k++) {
$gab = array_union($cyk[$k][$i], $cyk[$j - $k][$i + $k]);
$gabungan = implode(", ", $gab);
$hsl = cariArray(array_union($cyk[$k][$i], $cyk[$j - $k][$i + $k]), $cnf);
$tot = array_merge($tot, $hsl);
$hasil = implode(", ", $hsl);
if ($hasil == "") {
$hasil = "∅";
}
echo "T<sub>" . $i . $j . "</sub> = T<sub>" . $i . $k . "</sub> - T<sub>" . ($i + $k) . ($j - $k) . "</sub> = " . $gabungan . " = " . $hasil;
echo "<br>";
}
if ($j > 2) {
$total = implode(", ", array_unique($tot));
if ($total == "") {
$total = "∅";
}
echo "<b>T<sub>" . $i . $j . "</sub> = " . $total . "</b>";
echo "<br>";
}
}
echo "<br>";
}
}
function testSetUnionStore()
{
$setA = RC::setAddAndReturn($this->redis, 'setA', array(0, 1, 2, 3, 4, 5, 6));
$setB = RC::setAddAndReturn($this->redis, 'setB', array(1, 3, 4, 6, 9, 10));
$this->assertEquals(count($setA), $this->redis->sunionstore('setC', 'setA'));
$this->assertTrue(RC::sameValuesInArrays($setA, $this->redis->smembers('setC')));
$this->redis->del('setC');
$this->assertEquals(9, $this->redis->sunionstore('setC', 'setA', 'setB'));
$this->assertTrue(RC::sameValuesInArrays(array_union($setA, $setB), $this->redis->smembers('setC')));
// non-existing keys are considered empty sets
$this->redis->del('setC');
$this->assertEquals(0, $this->redis->sunionstore('setC', 'setDoesNotExist'));
$this->assertFalse($this->redis->exists('setC'));
$this->assertEquals(0, $this->redis->scard('setC'));
// existing keys are replaced by SUNIONSTORE
$this->redis->set('foo', 'bar');
$this->assertEquals(count($setA), $this->redis->sunionstore('foo', 'setA'));
// wrong type
$this->redis->set('foo', 'bar');
RC::testForServerException($this, RC::EXCEPTION_WRONG_TYPE, p_anon("\$test", "\n \$test->redis->sunionstore('setA', 'foo');\n "));
}
/**
* @param array $array2
* @return callable
*/
function array_union_dg($array2)
{
return function ($array1) use($array2) {
return array_union($array1, $array2);
};
}
