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<?php |
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declare(strict_types=1); |
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namespace BrenoRoosevelt; |
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function first(iterable $items, callable $callback, $default = null, int $mode = CALLBACK_USE_VALUE) |
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{ |
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foreach ($items as $key => $value) { |
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if (true === call_user_func_array($callback, __args($mode, $key, $value))) { |
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return $value; |
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} |
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} |
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return $default; |
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} |
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function head(iterable $items, $default = null) |
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{ |
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foreach ($items as $value) { |
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return $value; |
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} |
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return $default; |
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} |
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function map(iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): array |
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{ |
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$result = []; |
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foreach ($items as $key => $value) { |
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$result[$key] = call_user_func_array($callback, __args($mode, $key, $value)); |
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} |
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return $result; |
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} |
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function accept(iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): array |
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{ |
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$result = []; |
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foreach ($items as $key => $value) { |
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if (true === call_user_func_array($callback, __args($mode, $key, $value))) { |
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$result[$key] = $value; |
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} |
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} |
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return $result; |
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} |
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function reject(iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): array |
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{ |
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$result = []; |
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foreach ($items as $key => $value) { |
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if (true !== call_user_func_array($callback, __args($mode, $key, $value))) { |
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$result[$key] = $value; |
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} |
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} |
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return $result; |
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} |
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function has(array $items, ...$keys): bool |
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{ |
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return ! array_diff($keys, array_keys($items)); |
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} |
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function only(array $items, ...$keys): array |
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{ |
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return array_intersect_key($items, array_flip($keys)); |
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} |
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function except(array $items, ...$keys): array |
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{ |
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return array_diff_key($items, array_flip($keys)); |
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} |
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function column(iterable $items, $column): array |
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{ |
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$result = []; |
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foreach ($items as $element) { |
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if (is_array($element) && array_key_exists($column, $element)) { |
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$result[] = $element[$column]; |
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} |
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} |
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return $result; |
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} |
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function paginate(array $items, int $page, int $per_page, bool $preserve_keys = true): array |
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{ |
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$offset = max(0, ($page - 1) * $per_page); |
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return array_slice($items, $offset, $per_page, $preserve_keys); |
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} |
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function sum(iterable $items, callable $callback, int $mode = 0) |
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{ |
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$sum = 0; |
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foreach ($items as $key => $value) { |
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$sum += call_user_func_array($callback, __args($mode, $key, $value)); |
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} |
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return $sum; |
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} |
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