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<?php |
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declare(strict_types=1); |
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namespace Ipl\IteratorPipeline\Traits; |
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use Ipl as i; |
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/** |
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* Pipeline methods for finding an element in an iterable. |
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*/ |
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trait FindingTrait |
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{ |
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/** |
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* @var iterable |
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*/ |
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protected $iterable; |
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/** |
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* Get the first value of an iterable. |
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* |
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* @param bool $required Throw RangeException instead of returning null for empty iterable |
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* @return mixed |
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*/ |
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public function first(bool $required = false) |
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{ |
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return i\iterable_first($this->iterable, $required); |
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} |
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/** |
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* Get the last value of an iterable. |
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* |
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* @param bool $required Throw RangeException instead of returning null for empty iterable |
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* @return mixed |
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*/ |
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public function last(bool $required = false) |
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{ |
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return i\iterable_last($this->iterable, $required); |
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} |
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/** |
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* Get the first value that matches a condition. |
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* Returns null if no element is found. |
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* |
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* @param callable $matcher |
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* @return mixed |
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*/ |
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public function find(callable $matcher) |
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{ |
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return i\iterable_find($this->iterable, $matcher); |
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} |
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/** |
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* Check if any element matches the condition. |
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* |
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* @param callable $matcher |
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* @return bool |
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*/ |
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public function hasAny(callable $matcher): bool |
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{ |
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return i\iterable_has_any($this->iterable, $matcher); |
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} |
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/** |
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* Check if all elements match the condition. |
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* |
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* @param callable $matcher |
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* @return bool |
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*/ |
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public function hasAll(callable $matcher): bool |
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{ |
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return i\iterable_has_all($this->iterable, $matcher); |
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} |
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/** |
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* Check that no elements match the condition. |
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* |
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* @param callable $matcher |
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* @return bool |
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*/ |
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public function hasNone(callable $matcher): bool |
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{ |
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return i\iterable_has_none($this->iterable, $matcher); |
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} |
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/** |
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* Get the minimal value according to a given comparator. |
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* Returns null for an empty iterable. |
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* |
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* @param callable|null $compare |
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* @return mixed |
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*/ |
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public function min(?callable $compare = null) |
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{ |
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return i\iterable_min($this->iterable, $compare); |
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} |
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/** |
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* Get the maximal value according to a given comparator. |
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* Returns null for an empty iterable. |
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* |
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* @param callable|null $compare |
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* @return mixed |
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*/ |
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public function max(?callable $compare = null) |
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{ |
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return i\iterable_max($this->iterable, $compare); |
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} |
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} |
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jasny /
improved-php-iterable
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