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<?php |
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namespace Maphper\Lib; |
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use Maphper\Maphper; |
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class ArrayFilter { |
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private $array; |
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public function __construct(array $array) { |
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$this->array = $array; |
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} |
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public function filter($fields) { |
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$filteredArray = array_filter($this->array, $this->getSearchFieldFunction($fields, \Maphper\Maphper::FIND_EXACT | \Maphper\Maphper::FIND_AND)); |
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// Need to reset indexes |
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$filteredArray = array_values($filteredArray); |
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return $filteredArray; |
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} |
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private function getSearchFieldFunction($fields, $mode) { |
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return function ($data) use ($fields, $mode) { |
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foreach ($fields as $key => $val) { |
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$currentFieldResult = $this->getIfFieldMatches($key, $val, $data, $mode); |
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if (Maphper::FIND_OR & $mode && $currentFieldResult === true) return true; |
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else if (Maphper::FIND_OR ^ $mode && $currentFieldResult === false) return false; |
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} |
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return (bool)(Maphper::FIND_OR ^ $mode); |
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}; |
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} |
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private function getIfFieldMatches($key, $val, $data, $mode) { |
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if ($this->shouldRunDeepSearch($key, $val)) { |
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return $this->getSearchFieldFunction($val, $key)($data); |
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} |
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else if (!isset($data->$key)) return false; |
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else if ($this->isInArraySearch($mode, $key, $val)) |
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return in_array($data->$key, $val); |
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else |
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return $this->processFilter($mode, $val, $data->$key); |
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} |
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private function shouldRunDeepSearch($key, $val) { |
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return is_numeric($key) && is_array($val); |
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} |
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private function isInArraySearch($mode, $key, $val) { |
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return !(Maphper::FIND_BETWEEN & $mode) && !is_numeric($key) && is_array($val); |
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} |
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private function processFilter($mode, $expected, $actual) { |
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if (Maphper::FIND_NOT & $mode) return $expected != $actual; |
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else if ((Maphper::FIND_GREATER | Maphper::FIND_EXACT) === $mode) return $expected <= $actual; |
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else if ((Maphper::FIND_LESS | Maphper::FIND_EXACT) === $mode) return $expected >= $actual; |
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else if (Maphper::FIND_GREATER & $mode) return $expected < $actual; |
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else if (Maphper::FIND_LESS & $mode) return $expected > $actual; |
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else if (Maphper::FIND_BETWEEN & $mode) return $expected[0] <= $actual && $actual <= $expected[1]; |
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else if (Maphper::FIND_NOCASE & $mode) return strtolower($expected) == strtolower($actual); |
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return $expected == $actual; |
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} |
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} |
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Level-2 /
Maphper
