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<?php |
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namespace Phperf\Pipeline\Rows; |
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use ArrayIterator; |
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use IteratorIterator; |
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class Processor extends IteratorIterator |
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{ |
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protected $rows = array(); |
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private $skipFields = array(); |
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public function skipField($field) |
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{ |
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$this->skipFields[$field] = $field; |
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return $this; |
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} |
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private $changeKeys = array(); |
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public function changeKey($fieldFrom, $fieldTo) |
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{ |
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$this->changeKeys[$fieldFrom] = $fieldTo; |
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return $this; |
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} |
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private $combineFields = array(); |
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public function combine($fieldKey, $fieldValue) |
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{ |
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$this->combineFields[$fieldKey] = $fieldValue; |
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return $this; |
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} |
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/** @var \Closure */ |
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private $callback; |
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public function map(callable $callback) |
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{ |
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$this->callback = $callback; |
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return $this; |
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} |
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private $combineOffset = array(); |
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/** |
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* @param integer $offsetKey |
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* @param integer $offsetValue |
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* @return $this |
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*/ |
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public function combineOffset($offsetKey, $offsetValue) |
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{ |
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$this->combineOffset [$offsetKey] = $offsetValue; |
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return $this; |
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} |
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/** |
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* Processor constructor. |
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* @param array|\Iterator $rows |
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*/ |
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public function __construct($rows) |
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{ |
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if (is_array($rows)) { |
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parent::__construct(new ArrayIterator($rows)); |
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} else { |
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parent::__construct($rows); |
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} |
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} |
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public function current() |
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{ |
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$row = parent::current(); |
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if ($this->callback) { |
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$row = $this->callback->__invoke($row); |
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} |
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if ($this->skipFields) { |
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foreach ($this->skipFields as $field) { |
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if (isset($row[$field])) { |
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unset($row[$field]); |
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} |
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} |
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} |
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$keys = null; |
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if ($this->combineOffset) { |
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foreach ($this->combineOffset as $offsetKey => $offsetValue) { |
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$keys = array_keys($row); |
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$row[$row[$keys[$offsetKey]]] = $row[$keys[$offsetValue]]; |
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unset($row[$keys[$offsetKey]]); |
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unset($row[$keys[$offsetValue]]); |
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} |
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} |
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if ($this->combineFields) { |
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foreach ($this->combineFields as $fieldKey => $fieldValue) { |
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$row[$row[$fieldKey]] = $row[$fieldValue]; |
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unset($row[$fieldKey]); |
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unset($row[$fieldValue]); |
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} |
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} |
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if ($this->changeKeys) { |
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if (!$keys) { |
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$keys = array_keys($row); |
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} |
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foreach ($keys as &$key) { |
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if (isset($this->changeKeys[$key])) { |
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$key = $this->changeKeys[$key]; |
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} |
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} |
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unset($key); |
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$row = array_combine($keys, $row); |
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} |
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return $row; |
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} |
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/** |
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* @param array|\Iterator $rows |
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* @return static |
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*/ |
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static function create($rows) |
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{ |
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return new static($rows); |
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} |
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public function exportArray() |
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{ |
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$result = array(); |
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foreach ($this as $row) { |
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$result [] = $row; |
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} |
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return $result; |
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} |
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140
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} |
phperf /
pipeline
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.