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; } public function render() : string { $this->gridDisplay = $this->isCli ? '' : '

';
        $maxRow = \max($this->rows);
        $maxRowLength = \mb_strlen((string) $maxRow) + 1;
        $columnWidths = $this->getColumnWidths();
        $this->renderColumnHeader($maxRowLength, $columnWidths);
        $this->renderRows($maxRowLength, $columnWidths);
        $this->renderFooter($maxRowLength, $columnWidths);
        $this->gridDisplay .= $this->isCli ? '' : '

'; return $this->gridDisplay; } private function renderRows(int $maxRowLength, array $columnWidths) : void { foreach ($this->matrix as $row => $rowData) { $this->gridDisplay .= '|' . \str_pad((string) $this->rows[$row], $maxRowLength, ' ', \STR_PAD_LEFT) . ' '; $this->renderCells($rowData, $columnWidths); $this->gridDisplay .= '|' . \PHP_EOL; } } private function renderCells(array $rowData, array $columnWidths) : void { foreach ($rowData as $column => $cell) { $displayCell = $this->isCli ? (string) $cell : \htmlentities((string) $cell); $this->gridDisplay .= '| '; $this->gridDisplay .= $displayCell . \str_repeat(' ', $columnWidths[$column] - \mb_strlen($cell ?? '') + 1); } } private function renderColumnHeader(int $maxRowLength, array $columnWidths) : void { $this->gridDisplay .= \str_repeat(' ', $maxRowLength + 2); foreach ($this->columns as $column => $reference) { $this->gridDisplay .= '+-' . \str_repeat('-', $columnWidths[$column] + 1); } $this->gridDisplay .= '+' . \PHP_EOL; $this->gridDisplay .= \str_repeat(' ', $maxRowLength + 2); foreach ($this->columns as $column => $reference) { $this->gridDisplay .= '| ' . \str_pad((string) $reference, $columnWidths[$column] + 1, ' '); } $this->gridDisplay .= '|' . \PHP_EOL; $this->renderFooter($maxRowLength, $columnWidths); } private function renderFooter(int $maxRowLength, array $columnWidths) : void { $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; } 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; } private function getColumnWidth(array $columnData) : int { $columnWidth = 0; $columnData = \array_values($columnData); foreach ($columnData as $columnValue) { if (\is_string($columnValue)) { $columnWidth = \max($columnWidth, \mb_strlen($columnValue)); } elseif (\is_bool($columnValue)) { $columnWidth = \max($columnWidth, \mb_strlen($columnValue ? 'TRUE' : 'FALSE')); } $columnWidth = \max($columnWidth, \mb_strlen((string) $columnWidth)); } return $columnWidth; } }