Loop over multiple arrays simultaneously: Difference between revisions
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The <code>Z</code> operator stops emitting items as soon as the shortest input list is exhausted. |
The <code>Z</code> operator stops emitting items as soon as the shortest input list is exhausted. |
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=={{header|PHP}}== |
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<lang PHP>$a = array('a', 'b', 'c'); |
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$b = array('A', 'B', 'C'); |
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$c = array('1', '2', '3'); //These don't *have* to be strings, but it saves PHP from casting them later |
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if ((sizeOf($a) !== sizeOf($b)) || (sizeOf($b) !== sizeOf($c))){ |
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throw new Exception('All three arrays must be the same length'); |
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} |
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foreach ($a as $key => $value){ |
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echo "{$a[$key]}{$b[$key]}{$c[$key]}\n"; |
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}</lang> |
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This implementation throws an exception if the arrays are not all the same length. |
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=={{header|PowerBASIC}}== |
=={{header|PowerBASIC}}== |
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