| @@ 49-58 (lines=10) @@ | ||
| 46 | * |
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| 47 | * @return array |
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| 48 | */ |
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| 49 | public function keyedColumn() |
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| 50 | { |
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| 51 | $column = []; |
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| 52 | ||
| 53 | foreach ($this as $record) { |
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| 54 | $val = $record[key($record)]; |
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| 55 | $column[$val] = $val; |
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| 56 | } |
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| 57 | return $column; |
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| 58 | } |
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| 59 | ||
| 60 | /** |
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| 61 | * Return a map from the first column to the second column. |
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| @@ 65-74 (lines=10) @@ | ||
| 62 | * |
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| 63 | * @return array |
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| 64 | */ |
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| 65 | public function map() |
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| 66 | { |
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| 67 | $column = array(); |
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| 68 | foreach ($this as $record) { |
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| 69 | $key = reset($record); |
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| 70 | $val = next($record); |
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| 71 | $column[$key] = $val; |
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| 72 | } |
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| 73 | return $column; |
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| 74 | } |
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| 75 | ||
| 76 | /** |
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| 77 | * Returns the first record in the result |
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