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<?php |
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/* |
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* @copyright (c) 2019 Mendel <[email protected]> |
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* @license see license.txt |
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*/ |
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namespace drycart\data; |
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/** |
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* |
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* @author mendel |
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*/ |
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trait CheckTrait |
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{ |
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/** |
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* Get field data by field name |
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* |
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* @param string $name name for access |
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* @return mixed |
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*/ |
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abstract public function get(string $name); |
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/** |
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* Check if data satisfies the condition |
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* @param array $conditions |
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* @return bool |
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*/ |
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public function check(array $conditions) : bool |
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{ |
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$args = CompareHelper::tryPrepareSimpleRules($conditions); |
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$type = array_shift($args); |
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switch ($type) { |
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case 'AND': |
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case 'and': |
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return $this->checkAnd($args); |
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case 'OR': |
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case 'or': |
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return $this->checkOr($args); |
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case 'NOT': |
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case 'not': |
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return !$this->check($args[0]); |
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default: |
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return $this->checkField($type, $args[0], $args[1]); |
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} |
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} |
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/** |
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* Check AND condition |
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* @param array $conditions |
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* @return bool |
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*/ |
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private function checkAnd(array $conditions) : bool |
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{ |
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foreach($conditions as $line) { |
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if(!$this->check($line)) { |
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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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* Check OR condition |
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* @param array $conditions |
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* @return bool |
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*/ |
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private function checkOr(array $conditions) : bool |
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{ |
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foreach($conditions as $line) { |
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if($this->check($line)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Check/compare some field by rule and some value |
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* @param string $staredRule |
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* @param mixed $arg1 |
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* @param mixed $arg2 |
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* @return bool |
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*/ |
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private function checkField(string $staredRule, $arg1, $arg2) : bool |
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{ |
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[$rulePrefix, $rule] = StrHelper::findPrefix($staredRule, ['*']); |
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$value1 = $this->get($arg1); |
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if($rulePrefix == '*') { |
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$value2 = $this->get($arg2); |
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} else { |
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$value2 = $arg2; |
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} |
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return CompareHelper::checkRule($rule, $value1, $value2); |
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} |
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} |
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drycart /
data
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.