| @@ 70-77 (lines=8) @@ | ||
| 67 | * |
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| 68 | * @return array |
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| 69 | */ |
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| 70 | public function keyedColumn() { |
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| 71 | $column = array(); |
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| 72 | foreach ($this as $record) { |
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| 73 | $val = $record[key($record)]; |
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| 74 | $column[$val] = $val; |
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| 75 | } |
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| 76 | return $column; |
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| 77 | } |
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| 78 | ||
| 79 | /** |
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| 80 | * Return a map from the first column to the second column. |
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| @@ 84-92 (lines=9) @@ | ||
| 81 | * |
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| 82 | * @return array |
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| 83 | */ |
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| 84 | public function map() { |
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| 85 | $column = array(); |
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| 86 | foreach ($this as $record) { |
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| 87 | $key = reset($record); |
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| 88 | $val = next($record); |
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| 89 | $column[$key] = $val; |
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| 90 | } |
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| 91 | return $column; |
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| 92 | } |
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| 93 | ||
| 94 | /** |
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| 95 | * Returns the next record in the iterator. |
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