.*/s', '', $pingContent);
}
if ($type === 'image') {
$backgroundStyle = "\n\n";
} elseif ($type === 'video') {
$backgroundStyle = "\n
";
} elseif ($type === 'audio') {
$audioElement = "
";
}
if (strpos($pingContent, '') !== false && strpos($pingContent, '') !== false) {
$pingContent = preg_replace('/.*/s', "$backgroundStyle$audioElement", $pingContent);
} else {
$pingContent .= "\n$backgroundStyle$audioElement\n";
}
file_put_contents($pingFile, $pingContent);
file_put_contents($currentBgFile, $filename);
$backgroundFiles = array_filter(array_map('trim', file($backgroundHistoryFile)));
if (($key = array_search($filename, $backgroundFiles)) !== false) {
unset($backgroundFiles[$key]);
}
array_unshift($backgroundFiles, $filename);
$backgroundFiles = array_slice($backgroundFiles, 0, 20);
file_put_contents($backgroundHistoryFile, implode("\n", $backgroundFiles));
echo "背景已成功设置！";
} elseif ($action === 'remove') {
$pingContent = preg_replace('/.*/s', '', $pingContent);
file_put_contents($pingFile, $pingContent);
file_put_contents($currentBgFile, '');
echo "背景已成功删除！";
}
?>