safe_filesystem_exists( $path ) ) {
return '';
}
return $this->safe_filesystem_get_contents( $path );
}
/**
* Initialize WordPress filesystem safely.
*
* @return bool
*/
public function init_filesystem() {
// Return cached result if already initialized.
if ( null !== $this->filesystem_initialized ) {
return $this->filesystem_initialized;
}
require_once ABSPATH . 'wp-admin/includes/file.php';
global $wp_filesystem;
if ( ! function_exists( 'WP_Filesystem' ) ) {
$this->filesystem_initialized = false;
return false;
}
$filesystem_ready = WP_Filesystem();
if ( ! $filesystem_ready || empty( $wp_filesystem ) ) {
$this->filesystem_initialized = false;
return false;
}
$this->filesystem_initialized = true;
return true;
}
/**
* Safely checks file existence using WP_Filesystem with local fallback.
*
* @param string $file_path Absolute file path.
*
* @return bool
*/
public function safe_filesystem_exists( $file_path ) {
global $wp_filesystem;
$file_path = $this->normalize_path( $file_path );
if ( $this->init_filesystem() && $wp_filesystem ) {
try {
return (bool) $wp_filesystem->exists( $file_path );
} catch ( \Throwable $e ) {
$this->print_file_system_error( $e );
}
}
return file_exists( $file_path );
}
/**
* Safely writes file contents using WP_Filesystem with local fallback.
*
* @param string $file_path Absolute file path.
* @param string $contents File contents.
*
* @return bool
*/
public function safe_filesystem_put_contents( $file_path, $contents ) {
global $wp_filesystem;
$file_path = $this->normalize_path( $file_path );
if ( $this->init_filesystem() && $wp_filesystem ) {
try {
$written = $wp_filesystem->put_contents( $file_path, $contents );
if ( false !== $written ) {
return true;
}
} catch ( \Throwable $e ) {
$this->print_file_system_error( $e );
}
}
$dir_path = dirname( $file_path );
if ( ! file_exists( $dir_path ) ) {
wp_mkdir_p( $dir_path );
}
return false !== file_put_contents( $file_path, $contents );
}
/**
* Safely reads file contents using WP_Filesystem with local fallback.
*
* @param string $file_path Absolute file path.
*
* @return string
*/
public function safe_filesystem_get_contents( $file_path ) {
global $wp_filesystem;
$file_path = $this->normalize_path( $file_path );
if ( $this->init_filesystem() && $wp_filesystem ) {
try {
$content = $wp_filesystem->get_contents( $file_path );
if ( false !== $content ) {
return $content;
}
} catch ( \Throwable $e ) {
$this->print_file_system_error( $e );
}
}
if ( file_exists( $file_path ) ) {
$content = file_get_contents( $file_path );
return false !== $content ? $content : '';
}
return '';
}
/**
* Safely deletes file using WP_Filesystem with local fallback.
*
* @param string $file_path Absolute file path.
*
* @return bool
*/
public function safe_filesystem_delete( $file_path ) {
global $wp_filesystem;
$file_path = $this->normalize_path( $file_path );
if ( $this->init_filesystem() && $wp_filesystem ) {
try {
if ( $wp_filesystem->exists( $file_path ) ) {
return (bool) $wp_filesystem->delete( $file_path );
}
} catch ( \Throwable $e ) {
$this->print_file_system_error( $e );
}
}
if ( file_exists( $file_path ) ) {
return (bool) wp_delete_file( $file_path );
}
return false;
}
/**
* Method normalize_path for Normalize path for cross-platform compatibility.
*
* @param string $path is file path.
* @return string
*/
private function normalize_path( $path ) {
return wp_normalize_path( $path );
}
/**
* Method print_file_system_error.
*
* @param object $error is file system errors.
*
* @return void
*/
private function print_file_system_error( $error ) {
// error_log( $error->getMessage() );
}
}