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<?php declare(strict_types=1); |
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namespace AlecRabbit; |
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use const AlecRabbit\Helpers\Constants\EMPTY_ELEMENTS; |
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/** |
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* @param array $data |
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* @param int $columns |
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* @param callable|null $callback |
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* @param int $pad |
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* @return array |
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*/ |
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function formatted_array( |
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array $data, |
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int $columns = 10, |
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?callable $callback = null, |
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int $pad = STR_PAD_RIGHT |
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): array { |
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$result = []; |
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if ($callback) { |
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\array_walk($data, $callback); |
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} |
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$maxLength = arr_el_max_length($data); |
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$tmp = []; |
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$rowEmpty = true; |
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foreach ($data as $element) { |
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$tmp[] = \str_pad((string)$element, $maxLength, ' ', $pad); |
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$rowEmpty &= \in_array($element, EMPTY_ELEMENTS, true); |
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if (\count($tmp) >= $columns) { |
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$result[] = \implode($rowEmpty ? '' : ' ', $tmp); |
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$rowEmpty = true; |
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$tmp = []; |
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} |
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} |
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if (!empty($tmp)) { |
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$result[] = \implode($rowEmpty ? '' : ' ', $tmp); |
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} |
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return $result; |
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} |
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/** |
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* @param array $data |
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* @internal |
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* @return int |
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*/ |
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function arr_el_max_length(array $data): int |
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{ |
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$maxLength = 0; |
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foreach ($data as $element) { |
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if (\is_array($element)) { |
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throw new \RuntimeException('Array to string conversion'); |
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} |
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$len = \strlen((string)$element); |
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if ($maxLength < $len) { |
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$maxLength = $len; |
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} |
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} |
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return $maxLength; |
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} |
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/** |
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* @param array $data |
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* @return array |
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*/ |
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function unset_first(array $data): array |
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{ |
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// TODO for PHP >=7.3 this line should use \array_key_first |
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$key = array_key_first($data); |
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if (null !== $key) { |
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unset($data[$key]); |
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} |
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return $data; |
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} |
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/** |
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* @param array $data |
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* @return int|null|string |
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*/ |
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function array_key_first(array $data) |
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{ |
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foreach ($data as $key => $value) { |
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// this loop does not loop |
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return $key; |
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} |
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} |
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/** |
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* @param array $data |
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* @return int|null|string |
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*/ |
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function array_key_last(array $data) |
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{ |
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end($data); |
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return key($data); |
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} |
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alecrabbit /
php-helpers
