diff options
Diffstat (limited to 'system/libraries/Migration.php')
| -rw-r--r-- | system/libraries/Migration.php | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php index 27d7df010..e96791cef 100644 --- a/system/libraries/Migration.php +++ b/system/libraries/Migration.php @@ -46,11 +46,11 @@ class CI_Migration { * @var bool */ protected $_migration_enabled = FALSE; - + /** * Migration numbering type * - * @var bool + * @var bool */ protected $_migration_type = 'sequential'; @@ -78,10 +78,10 @@ class CI_Migration { /** * Whether to automatically run migrations * - * @var bool + * @var bool */ protected $_migration_auto_latest = FALSE; - + /** * Migration basename regex * @@ -99,7 +99,7 @@ class CI_Migration { /** * Initialize Migration Class * - * @param array + * @param array $config * @return void */ public function __construct($config = array()) @@ -140,12 +140,12 @@ class CI_Migration { { show_error('Migrations configuration file (migration.php) must have "migration_table" set.'); } - + // Migration basename regex $this->_migration_regex = ($this->_migration_type === 'timestamp') ? '/^\d{14}_(\w+)$/' : '/^\d{3}_(\w+)$/'; - + // Make sure a valid migration numbering type was set. if ( ! in_array($this->_migration_type, array('sequential', 'timestamp'))) { @@ -179,22 +179,22 @@ class CI_Migration { * Calls each migration step required to get to the schema version of * choice * - * @param int Target schema version + * @param int $target_version Target schema version * @return mixed TRUE if already latest, FALSE if failed, int if upgraded */ public function version($target_version) { $current_version = (int) $this->_get_version(); $target_version = (int) $target_version; - + $migrations = $this->find_migrations(); - + if ($target_version > 0 && ! isset($migrations[$target_version])) { $this->_error_string = sprintf($this->lang->line('migration_not_found'), $target_version); return FALSE; } - + if ($target_version > $current_version) { // Moving Up @@ -211,7 +211,7 @@ class CI_Migration { { return TRUE; } - + $previous = FALSE; // Validate all available migrations, and run the ones within our target range @@ -223,7 +223,7 @@ class CI_Migration { $this->_error_string = sprintf($this->lang->line('migration_sequence_gap'), $number); return FALSE; } - + include $file; $class = 'Migration_'.ucfirst(strtolower($this->_get_migration_name(basename($file, '.php')))); @@ -238,7 +238,7 @@ class CI_Migration { $this->_error_string = sprintf($this->lang->line('migration_missing_'.$method.'_method'), $class); return FALSE; } - + $previous = $number; // Run migrations that are inside the target range @@ -253,7 +253,7 @@ class CI_Migration { $this->_update_version($current_version); } } - + // This is necessary when moving down, since the the last migration applied // will be the down() method for the next migration up from the target if ($current_version <> $target_version) @@ -272,12 +272,12 @@ class CI_Migration { /** * Set's the schema to the latest migration * - * @return mixed true if already latest, false if failed, int if upgraded + * @return mixed TRUE if already latest, FALSE if failed, int if upgraded */ public function latest() { $migrations = $this->find_migrations(); - + if (empty($migrations)) { $this->_error_string = $this->lang->line('migration_none_found'); @@ -285,7 +285,7 @@ class CI_Migration { } $last_migration = basename(end($migrations)); - + // Calculate the last migration step from existing migration // filenames and procceed to the standard version migration return $this->version($this->_get_migration_number($last_migration)); @@ -296,7 +296,7 @@ class CI_Migration { /** * Set's the schema to the migration version set in config * - * @return mixed true if already current, false if failed, int if upgraded + * @return mixed TRUE if already current, FALSE if failed, int if upgraded */ public function current() { @@ -325,24 +325,24 @@ class CI_Migration { public function find_migrations() { $migrations = array(); - + // Load all *_*.php files in the migrations path foreach (glob($this->_migration_path.'*_*.php') as $file) { $name = basename($file, '.php'); - + // Filter out non-migration files if (preg_match($this->_migration_regex, $name)) { $number = $this->_get_migration_number($name); - + // There cannot be duplicate migration numbers if (isset($migrations[$number])) { $this->_error_string = sprintf($this->lang->line('migration_multiple_version'), $number); show_error($this->_error_string); } - + $migrations[$number] = $file; } } @@ -356,12 +356,13 @@ class CI_Migration { /** * Extracts the migration number from a filename * - * @return int Numeric portion of a migration filename + * @param string $migration + * @return int Numeric portion of a migration filename */ protected function _get_migration_number($migration) { - $parts = explode('_', $migration); - return (int) $parts[0]; + return sscanf($migration, '%d', $number) + ? $number : 0; } // -------------------------------------------------------------------- @@ -369,7 +370,8 @@ class CI_Migration { /** * Extracts the migration class name from a filename * - * @return string text portion of a migration filename + * @param string $migration + * @return string text portion of a migration filename */ protected function _get_migration_name($migration) { @@ -396,7 +398,7 @@ class CI_Migration { /** * Stores the current schema version * - * @param int Migration reached + * @param int $migration Migration reached * @return void Outputs a report of the migration */ protected function _update_version($migration) @@ -411,7 +413,7 @@ class CI_Migration { /** * Enable the use of CI super-global * - * @param $var + * @param string $var * @return mixed */ public function __get($var) |