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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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}
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