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<?php |
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namespace CsvParser; |
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class Csv |
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{ |
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protected $data; |
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public function __construct($array) |
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{ |
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$this->data = $array; |
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} |
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public function getData() |
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{ |
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return $this->data; |
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} |
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public function getRowCount() |
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{ |
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return count($this->data); |
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} |
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public function first() |
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{ |
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return current($this->data); |
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} |
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public function getKeys() |
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{ |
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return array_keys($this->first()); |
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} |
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/** |
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* ->reKey allows you to reorganise the keys if they may be out of order as when we write to csv we do it in the order given |
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* e.g. if you build up an array, adding new columns/keys as you go down the multi levels, so long as you push them into the keys passed here or leave blank and use the first row |
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*/ |
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public function reKey($keys = null) |
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{ |
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if (! $keys) { |
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$keys = $this->getKeys(); |
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} |
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$template = array_map(function () { return ''; }, array_flip($keys)); |
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$this->mapRows(function ($row) use ($template) { |
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return array_replace($template, $row); |
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}); |
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} |
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public function appendRow($row) |
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{ |
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array_unshift($this->data, $row); |
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} |
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public function prependRow($row) |
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{ |
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$this->data[] = $row; |
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} |
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public function columnExists($column) |
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{ |
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return isset($this->data[0][$column]); |
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} |
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public function mapColumn($column, $callback) |
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{ |
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if ( ! $this->columnExists($column)) { |
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throw new Exception('Column does not exist'); |
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} |
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foreach ($this->data as $i => $row) { |
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$this->data[$i][$column] = $callback($row[$column]); |
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} |
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} |
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public function mapRows($callback) |
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{ |
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$this->data = array_map($callback, $this->data); |
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} |
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public function filterRows($callback) |
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{ |
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$this->data = array_filter($this->data, $callback); |
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} |
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public function addColumn($column, $default='') |
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{ |
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// TODO |
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} |
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public function removeColumn($column) |
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{ |
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// TODO |
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} |
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public function removeRowByIndex($index) |
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{ |
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// TODO |
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} |
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public function removeRow($col, $val) |
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{ |
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// TODO |
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} |
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public function removeRows($rows) |
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{ |
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// TODO |
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} |
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public function reorderColumn($col, $index) |
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{ |
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// TODO |
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} |
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public function reorderColumns($rows) |
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{ |
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// TODO |
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} |
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public function reorderRow($col, $val, $index) |
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{ |
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// TODO |
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} |
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public function reorderRows($rows) |
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{ |
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// TODO |
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} |
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public function reorderRowsByColumn($column, $type='asc') |
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{ |
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// TODO |
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} |
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public function reorderRowsByColumns($columns) |
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{ |
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// TODO |
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} |
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public function removeDuplicates($column) |
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{ |
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$index = array(); |
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$this->filterRows(function ($row) use ($column, &$index) { |
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if (in_array($row[$column], $index)) { |
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return false; |
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} |
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$index[] = $row[$column]; |
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return true; |
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}); |
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} |
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public function removeBlanks($column) |
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{ |
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$this->filterRows(function ($row) use ($column) { |
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if ( ! isset($row[$column]) || trim($row[$column])==='') { |
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return false; |
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} |
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return true; |
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}); |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.