rows = array_keys($matrix); $this->columns = array_keys($matrix[$this->rows[0]]); $matrix = array_values($matrix); array_walk( $matrix, function (&$row): void { $row = array_values($row); } ); $this->matrix = $matrix; $this->isCli = $isCli; $this->rowDividers = $rowDividers; $this->rowHeaders = $rowHeaders; $this->columnHeaders = $columnHeaders; } public function render(): string { $this->gridDisplay = $this->isCli ? '' : ('

' . PHP_EOL);

        if (!empty($this->rows)) {
            $maxRow = max($this->rows);
            $maxRowLength = strlen((string) $maxRow) + 1;
            $columnWidths = $this->getColumnWidths();

            $this->renderColumnHeader($maxRowLength, $columnWidths);
            $this->renderRows($maxRowLength, $columnWidths);
            if (!$this->rowDividers) {
                $this->renderFooter($maxRowLength, $columnWidths);
            }
        }

        $this->gridDisplay .= $this->isCli ? '' : '

'; return $this->gridDisplay; } /** @param int[] $columnWidths */ private function renderRows(int $maxRowLength, array $columnWidths): void { foreach ($this->matrix as $row => $rowData) { if ($this->rowHeaders) { $this->gridDisplay .= '|' . str_pad((string) $this->rows[$row], $maxRowLength, ' ', STR_PAD_LEFT) . ' '; } $this->renderCells($rowData, $columnWidths); $this->gridDisplay .= '|' . PHP_EOL; if ($this->rowDividers) { $this->renderFooter($maxRowLength, $columnWidths); } } } /** * @param mixed[] $rowData * @param int[] $columnWidths */ private function renderCells(array $rowData, array $columnWidths): void { foreach ($rowData as $column => $cell) { $valueForLength = $this->getString($cell); $displayCell = $this->isCli ? $valueForLength : htmlentities($valueForLength); $this->gridDisplay .= '| '; $this->gridDisplay .= $displayCell . str_repeat(' ', $columnWidths[$column] - $this->strlen($valueForLength) + 1); } } /** @param int[] $columnWidths */ private function renderColumnHeader(int $maxRowLength, array &$columnWidths): void { if (!$this->columnHeaders) { $this->renderFooter($maxRowLength, $columnWidths); return; } foreach ($this->columns as $column => $reference) { /** @var string $reference */ $columnWidths[$column] = max($columnWidths[$column], $this->strlen($reference)); } if ($this->rowHeaders) { $this->gridDisplay .= str_repeat(' ', $maxRowLength + 2); } foreach ($this->columns as $column => $reference) { $this->gridDisplay .= '+-' . str_repeat('-', $columnWidths[$column] + 1); } $this->gridDisplay .= '+' . PHP_EOL; if ($this->rowHeaders) { $this->gridDisplay .= str_repeat(' ', $maxRowLength + 2); } foreach ($this->columns as $column => $reference) { /** @var scalar $reference */ $this->gridDisplay .= '| ' . str_pad((string) $reference, $columnWidths[$column] + 1, ' '); } $this->gridDisplay .= '|' . PHP_EOL; $this->renderFooter($maxRowLength, $columnWidths); } /** @param int[] $columnWidths */ private function renderFooter(int $maxRowLength, array $columnWidths): void { if ($this->rowHeaders) { $this->gridDisplay .= '+' . str_repeat('-', $maxRowLength + 1); } foreach ($this->columns as $column => $reference) { $this->gridDisplay .= '+-'; $this->gridDisplay .= str_pad((string) '', $columnWidths[$column] + 1, '-'); } $this->gridDisplay .= '+' . PHP_EOL; } /** @return int[] */ private function getColumnWidths(): array { $columnCount = count($this->matrix, COUNT_RECURSIVE) / count($this->matrix); $columnWidths = []; for ($column = 0; $column < $columnCount; ++$column) { $columnWidths[] = $this->getColumnWidth(array_column($this->matrix, $column)); } return $columnWidths; } /** @param mixed[] $columnData */ private function getColumnWidth(array $columnData): int { $columnWidth = 0; $columnData = array_values($columnData); foreach ($columnData as $columnValue) { $columnWidth = max($columnWidth, $this->strlen($this->getString($columnValue))); } return $columnWidth; } protected function getString(mixed $value): string { return StringHelper::convertToString($value, convertBool: true); } protected function strlen(string $value): int { return mb_strlen($value); } }