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<?php |
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namespace JClaveau\LogicalFilter\Rule; |
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/** |
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* a != x |
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*/ |
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class NotEqualRule extends NotRule |
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{ |
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use Trait_RuleWithField; |
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/** @var string operator */ |
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const operator = '!='; |
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/** @var mixed value */ |
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protected $value; |
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/** |
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* @param string $field The field to apply the rule on. |
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* @param mixed $value The value the field can equal to. |
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*/ |
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public function __construct( $field, $value, array $options=[] ) |
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{ |
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$this->field = $field; |
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$this->value = $value; |
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// TODO use the operand instead of properties or don't create EqualRule |
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parent::__construct(new EqualRule($field, $value), $options); |
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} |
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/** |
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*/ |
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public function isNormalizationAllowed(array $contextual_options=[]) |
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{ |
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$operand = $this->getOperandAt(0); |
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$out = parent::isNormalizationAllowed() |
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&& $this->getOption('not_equal.normalization', $contextual_options) |
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; |
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return $out; |
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} |
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/** |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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*/ |
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public function getValues() |
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{ |
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return $this->getValue(); |
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} |
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/** |
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* @param array $options + show_instance=false Display the operator of the rule or its instance id |
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* |
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* @return array |
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*/ |
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40 |
View Code Duplication |
public function toArray(array $options=[]) |
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{ |
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$default_options = [ |
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'show_instance' => false, |
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]; |
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foreach ($default_options as $default_option => &$default_value) { |
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if ( ! isset($options[ $default_option ])) { |
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$options[ $default_option ] = $default_value; |
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} |
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} |
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if ( ! $options['show_instance'] && isset($this->cache['array'])) { |
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return $this->cache['array']; |
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} |
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$array = [ |
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$this->getField(), |
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$options['show_instance'] ? $this->getInstanceId() : self::operator, |
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$this->getValue(), |
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]; |
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if ( ! $options['show_instance']) { |
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return $this->cache['array'] = $array; |
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} |
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else { |
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return $array; |
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} |
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} |
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/** |
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*/ |
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public function toString(array $options=[]) |
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{ |
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if ( ! empty($this->cache['string'])) { |
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return $this->cache['string']; |
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} |
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$class = get_class($this); |
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$operator = $class::operator; |
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$stringified_value = var_export($this->getValues(), true); |
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return $this->cache['string'] = "['{$this->getField()}', '$operator', $stringified_value]"; |
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} |
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/** |
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* By default, every atomic rule can have a solution by itself |
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* |
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* @return bool |
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*/ |
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public function hasSolution(array $simplification_options=[]) |
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{ |
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return true; |
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} |
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/**/ |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.