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<?php// Script to check which HTML element classes are missing in src/
 
 $masterList = include __DIR__ . '/html_elements_master_list.php';
 
 // Get all PHP files in src/ (excluding this script and the master list)
 $files = glob(__DIR__ . '/*.php');
 $existing = [];
 foreach ($files as $file) {
 $base = basename($file, '.php');
 if (in_array($base, ['html_elements_master_list', 'check_missing_elements', 'Html'])) continue;
 $existing[] = strtolower($base);
 }
 
 // Special case: h1-h6, handled as 'h' in some codebases
 foreach (['h1','h2','h3','h4','h5','h6'] as $hx) {
 if (in_array('h', $existing)) $existing[] = $hx;
 }
 
 $missing = array_diff($masterList, $existing);
 
 echo "Missing element classes:\n";
 foreach ($missing as $el) {
 echo $el . "\n";
 }
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