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<?php |
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namespace EloquentJs\Query\Guard\Policy; |
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use EloquentJs\Query\MethodCall; |
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class Rule |
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{ |
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/** |
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* @var string |
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*/ |
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protected $method; |
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/** |
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* @var array |
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*/ |
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protected $arguments; |
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/** |
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* @var array |
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*/ |
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protected $sugarMap = [ |
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'select' => [ |
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'select', 'addSelect' |
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], |
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'where' => [ |
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'where', 'orWhere', |
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'whereBetween', 'orWhereBetween', 'whereNotBetween', 'orWhereNotBetween', |
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'whereExists', 'orWhereExists', 'whereNotExists', 'orWhereNotExists', |
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'whereIn', 'orWhereIn', 'whereNotIn', 'orWhereNotIn', |
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'whereNull', 'orWhereNull', 'whereNotNull', 'orWhereNotNull', |
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'whereDate', 'whereDay', 'whereMonth', 'whereYear', |
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], |
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'having' => [ |
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'having', 'orHaving', |
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], |
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'orderBy' => [ |
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'orderBy', 'latest', 'oldest', |
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], |
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'offset' => [ |
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'offset', 'skip', |
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], |
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'limit' => [ |
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'limit', 'take', 'forPage', |
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], |
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]; |
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/** |
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* Create a new rule instance. |
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* |
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* @param string $method |
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* @param array $arguments |
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*/ |
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public function __construct($method, array $arguments = []) |
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{ |
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$this->method = $method; |
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$this->arguments = $arguments; |
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} |
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/** |
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* Test if the method call passes this rule. |
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* |
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* @param MethodCall $call |
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* @return bool |
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*/ |
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public function test(MethodCall $call) |
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{ |
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return $this->methodMatches($call->method) |
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and $this->argumentListMatches($call->arguments); |
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} |
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/** |
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* Test if the given value matches the required method pattern. |
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* |
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* @param string $value |
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* @return bool |
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*/ |
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protected function methodMatches($value) |
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{ |
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return $this->comparePattern($this->method, $value); |
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} |
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/** |
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* Test if the given arguments match the required arguments signature. |
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* |
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* @param array $arguments |
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* @return bool |
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*/ |
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protected function argumentListMatches(array $arguments) |
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{ |
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foreach ($arguments as $index => $argument) { |
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if (empty($this->arguments[$index])) { |
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continue; |
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} |
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if ( ! $this->comparePattern($this->arguments[$index], $argument)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Compare the given value to the given pattern. |
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* |
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* @param string $pattern |
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* @param string $value |
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* @return bool |
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*/ |
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protected function comparePattern($pattern, $value) |
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{ |
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if (is_callable($pattern)) { |
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return $pattern($value); |
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} |
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$alternates = explode('|', $pattern); |
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return ! ! array_first($alternates, function($index, $pattern) use ($value) { |
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$firstCharacter = substr($pattern, 0, 1); |
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$remainder = substr($pattern, 1); |
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switch ($firstCharacter) { |
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case '>': |
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return $remainder < $value; |
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case '<': |
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return $remainder > $value; |
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case '!': |
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return ! str_is($remainder, $value); |
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} |
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return str_is($pattern, $value); |
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}); |
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} |
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} |
parsnick /
eloquentjs
PHP has two types of connecting operators (logical operators, and boolean operators):
and&&or||The difference between these is the order in which they are executed. In most cases, you would want to use a boolean operator like
&&, or||.Let’s take a look at a few examples:
Logical Operators are used for Control-Flow
One case where you explicitly want to use logical operators is for control-flow such as this:
Since
dieintroduces problems of its own, f.e. it makes our code hardly testable, and prevents any kind of more sophisticated error handling; you probably do not want to use this in real-world code. Unfortunately, logical operators cannot be combined withthrowat this point:These limitations lead to logical operators rarely being of use in current PHP code.