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<?php |
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namespace Prob\ArrayUtil; |
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class KeyGlue |
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{ |
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private $glueCharacter = '.'; |
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/** |
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* processing target array |
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* @var array |
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*/ |
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private $array = []; |
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private $glueKeys = []; |
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public function setArray(array $array) |
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{ |
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$this->array = $array; |
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} |
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public function setGlueCharacter($glueCharacter) |
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{ |
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$this->glueCharacter = $glueCharacter; |
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} |
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public function glueOnlyKey() |
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{ |
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$this->glueKeys = []; |
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$this->glueLoop($this->array); |
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return $this->glueKeys; |
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} |
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public function glueKeyAndContainValue() |
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{ |
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$this->glueKeys = []; |
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$this->glueLoop($this->array, false); |
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return $this->glueKeys; |
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} |
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private function glueLoop(array $array, $isContaindOnlyKey = true, $prev = '') |
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{ |
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foreach ($array as $key => $value) { |
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$curr = $this->getCurrentGlueName($key, $prev); |
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if ($this->hasChild($value)) { |
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$this->glueLoop($value, $isContaindOnlyKey, $curr); |
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continue; |
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} |
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if ($isContaindOnlyKey) { |
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$this->glueKeys[] = $curr; |
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} else { |
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$this->glueKeys[$curr] = $value; |
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} |
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} |
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} |
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private function getCurrentGlueName($key, $prev) |
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{ |
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return $prev !== '' |
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? $prev . $this->glueCharacter . $key |
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: $key; |
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} |
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private function hasChild($value) |
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{ |
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if (is_array($value) === false || $value === []) { |
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return false; |
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} |
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return !$this->isNumbericIndexdArray($value); |
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} |
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private function isNumbericIndexdArray(array $array) |
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{ |
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foreach (array_keys($array) as $k) { |
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if (is_integer($k) === false) { |
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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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jongpak /
array-key-glue
