/**
* Returns the precedence level of this clause
*
* The number this returns is arbitrary, it's only importance is it's value
* relative to other where clauses. A higher value means this clause
* has a more important order of operation.
*
* @return Integer
*/
public function getPrecedence()
{
if ($this->countClauses() != 1) {
return 50;
}
// If there is only one clause in this instance, then mask the precedence
// to reduce the number of parenthesis that are added
return \r8\ary\first($this->getClauses())->getPrecedence();
}
/**
* Checks and handles errors
*
* @return NULL
*/
private function handleErrors()
{
$result = $this->memcached->getResultCode();
if ($result === \Memcached::RES_SUCCESS || $result === \Memcached::RES_NOTFOUND || $result === \Memcached::RES_NOTSTORED || $result === \Memcached::RES_DATA_EXISTS) {
return NULL;
}
$refl = new \ReflectionClass('\\Memcached');
$constant = \r8\ary\first(preg_grep('/^RES_/', array_keys(array_filter($refl->getConstants(), function ($value) use($result) {
return $result == $value;
}))));
if (empty($constant)) {
$constant = "UNKNOWN";
}
throw new \r8\Exception\Cache("Memcache Error: " . $constant, $result);
}
public function testFirst()
{
$this->assertNull(\r8\ary\first(array()));
$this->assertSame("value", \r8\ary\first(array("value")));
$this->assertSame(1, \r8\ary\first(range(1, 20)));
}
/**
* Adds a argument that this command will consume
*
* @param \r8\iface\CLI\Arg $arg
* @return \r8\Args\Option Returns a self reference
*/
public function addArg(\r8\iface\CLI\Arg $arg)
{
\r8\ary\first($this->forms)->addArg($arg);
return $this;
}
