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44 lines
830 B
44 lines
830 B
<?php |
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/** |
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* @param array $array |
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* @return array|bool |
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*/ |
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function array_flatten(array $array) { |
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return iterator_to_array(array_flatten_iterator($array), false); |
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} |
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/** |
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* @param array $array |
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* @return Generator |
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*/ |
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function array_flatten_iterator(array $array) { |
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foreach ($array as $value) { |
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if (is_array($value)) { |
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yield from array_flatten_iterator($value); |
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} else { |
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yield $value; |
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} |
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} |
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} |
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/** |
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* @param int $x1 |
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* @param int $y1 |
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* @param int $x2 |
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* @param int $y2 |
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* |
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* @return array |
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*/ |
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function getPointsBetween(int $x1, int $y1, int $x2, int $y2) |
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{ |
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$dx = $x2-$x1; |
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$dy = $y2-$y1; |
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$max = max(abs($dx), abs($dy)); |
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for($t = 0; $t<=$max; $t++) { |
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$points[] = sprintf('%s,%s', $x1+($t*$dx)/$max, $y1+($t*$dy)/$max); |
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} |
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return $points; |
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} |