30      * @param string $filepath Path to JSON file
33     public static function readJson($filepath) {  argument
34         if (!file_exists($filepath)) {
38         $handle = @fopen($filepath, 'r');
40             self::logError("Failed to open file for reading: $filepath");
56             self::logError("Failed to acquire read lock: $filepath");
74             self::logError("JSON decode error in $filepath: " . json_last_error_msg());
87      * @param string $filepath Path to JSON file
91     public static function writeJson($filepath, array $data) {  argument
92         $dir = dirname($filepath);
101         $tempFile = $dir . '/.tmp_' . uniqid() . '_' . basename($filepath);
138         if (file_exists($filepath)) {
139             $targetHandle = @fopen($filepath, 'r+');
154                     self::logError("Failed to lock target file: $filepath");
159                 $renamed = @rename($tempFile, $filepath);
166                     self::logError("Failed to rename temp to target: $filepath");
171                 if (!@rename($tempFile, $filepath)) {
173                     self::logError("Failed to rename (no handle): $filepath");
179             if (!@rename($tempFile, $filepath)) {
181                 self::logError("Failed to rename new file: $filepath");
192      * @param string $filepath Path to file
195     public static function delete($filepath) {  argument
196         if (!file_exists($filepath)) {
200         $handle = @fopen($filepath, 'r+');
203             return @unlink($filepath);
221         return @unlink($filepath);
240      * @param string $filepath Path to file
244     public static function readText($filepath, $default = '') {  argument
245         if (!file_exists($filepath)) {
248         $contents = @file_get_contents($filepath);
255      * @param string $filepath Path to file
259     public static function writeText($filepath, $content) {  argument
260         $dir = dirname($filepath);
267         $tempFile = $dir . '/.tmp_' . uniqid() . '_' . basename($filepath);
273         if (!@rename($tempFile, $filepath)) {