26 lines
1.7 KiB
PHP
26 lines
1.7 KiB
PHP
<?php
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declare(strict_types=1);
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/** Framework-free HTML renderer intended for browser print/save-to-PDF. */
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final class PrintReportRenderer
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{
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/** @param list<string> $headers @param list<list<mixed>> $rows */
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public function render(string $title, array $headers, array $rows): string
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{
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$head = implode('', array_map(fn(mixed $value): string => '<th>' . $this->escape($value) . '</th>', $headers));
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$body = '';
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foreach ($rows as $row) {
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$body .= '<tr>' . implode('', array_map(fn(mixed $value): string => '<td>' . $this->escape($value) . '</td>', $row)) . '</tr>';
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}
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return '<!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>' . $this->escape($title) . '</title><style>body{font-family:Arial,sans-serif;color:#222;margin:2rem}h1{font-size:1.5rem}table{border-collapse:collapse;width:100%}th,td{border:1px solid #bbb;padding:.5rem;text-align:left;vertical-align:top}th{background:#eee}@media print{body{margin:0}h1{font-size:1.2rem}table{font-size:10pt}tr{page-break-inside:avoid}}</style></head><body><main><h1>' . $this->escape($title) . '</h1><table><thead><tr>' . $head . '</tr></thead><tbody>' . $body . '</tbody></table></main></body></html>';
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}
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/** @param list<array<string,mixed>> $rows */
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public function renderRecords(string $title, array $rows): string
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{
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$headers = $rows === [] ? [] : array_keys($rows[0]);
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return $this->render($title, $headers, array_map(fn(array $row): array => array_values($row), $rows));
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}
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private function escape(mixed $value): string { return htmlspecialchars((string)($value ?? ''), ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'); }
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}
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