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<?php |
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/** |
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* @author Maxim Sokolovsky |
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*/ |
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namespace WS\Utils\Collections\Functions; |
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use Closure; |
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class Predicates |
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{ |
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public static function lock(): Closure |
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{ |
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return static function (): bool { |
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return false; |
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}; |
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} |
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public static function notNull(): Closure |
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{ |
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return static function ($el): bool { |
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return $el !== null; |
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}; |
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} |
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public static function notResistance(): Closure |
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{ |
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return static function (): bool { |
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return true; |
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}; |
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} |
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public static function eachEven(): Closure |
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{ |
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$isEven = false; |
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return static function () use (& $isEven) { |
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$res = $isEven; |
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$isEven = !$isEven; |
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return $res; |
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}; |
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} |
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public static function nth($number): Closure |
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{ |
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$counter = 0; |
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return static function () use ($number, & $counter) { |
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$res = ++$counter % $number === 0; |
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if ($res) { |
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$counter = 0; |
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} |
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return $res; |
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}; |
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} |
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public static function equal($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el === $value; |
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}; |
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} |
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public static function lessThan($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el < $value; |
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}; |
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} |
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public static function lessOrEqual($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el <= $value; |
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}; |
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} |
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public static function moreThan($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el > $value; |
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}; |
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} |
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public static function moreOrEqual($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el >= $value; |
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}; |
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} |
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public static function not($value): Closure |
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{ |
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return static function ($el) use ($value): bool { |
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return $el !== $value; |
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}; |
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} |
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public static function in(array $values): Closure |
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{ |
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return static function ($el) use ($values): bool { |
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return in_array($el, $values, true); |
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}; |
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} |
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public static function notIn(array $values): Closure |
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{ |
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return static function ($el) use ($values): bool { |
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return !in_array($el, $values, true); |
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}; |
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} |
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public static function where(string $property, $value): Closure |
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{ |
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return static function ($ob) use ($property, $value) { |
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return $value === ObjectFunctions::getPropertyValue($ob, $property); |
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}; |
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} |
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public static function whereNot(string $property, $value): Closure |
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{ |
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return static function ($ob) use ($property, $value) { |
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return $value !== ObjectFunctions::getPropertyValue($ob, $property); |
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}; |
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} |
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public static function whereIn(string $property, array $values): Closure |
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{ |
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return static function ($ob) use ($property, $values) { |
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return in_array(ObjectFunctions::getPropertyValue($ob, $property), $values, true); |
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}; |
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} |
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public static function whereNotIn(string $property, array $values): Closure |
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{ |
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return static function ($ob) use ($property, $values) { |
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return !in_array(ObjectFunctions::getPropertyValue($ob, $property), $values, true); |
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}; |
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} |
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public static function whereMoreThan(string $property, $value): Closure |
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{ |
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return static function (object $ob) use ($property, $value) { |
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return ObjectFunctions::getPropertyValue($ob, $property) > $value; |
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}; |
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} |
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public static function whereLessThan(string $property, $value): Closure |
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{ |
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return static function (object $ob) use ($property, $value) { |
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return ObjectFunctions::getPropertyValue($ob, $property) < $value; |
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}; |
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} |
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public static function whereMoreOrEqual(string $property, $value): Closure |
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{ |
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return static function (object $ob) use ($property, $value) { |
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return ObjectFunctions::getPropertyValue($ob, $property) >= $value; |
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}; |
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} |
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public static function whereLessOrEqual(string $property, $value): Closure |
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{ |
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return static function (object $ob) use ($property, $value) { |
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return ObjectFunctions::getPropertyValue($ob, $property) <= $value; |
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}; |
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} |
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} |
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