diff options
Diffstat (limited to 'system/database/DB_result.php')
| -rw-r--r-- | system/database/DB_result.php | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/system/database/DB_result.php b/system/database/DB_result.php index d44df6c02..76093f918 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -251,27 +251,24 @@ class CI_DB_result { /** * Query result. Acts as a wrapper function for the following functions. * - * @param string - * @param string can be "object" or "array" - * @return mixed either a result object or array + * @param mixed $n = 0 + * @param string $type = 'object' 'object' or 'array' + * @return mixed */ public function row($n = 0, $type = 'object') { if ( ! is_numeric($n)) { // We cache the row data for subsequent uses - if ( ! is_array($this->row_data)) - { - $this->row_data = $this->row_array(0); - } + is_array($this->row_data) OR $this->row_data = $this->row_array(0); - // array_key_exists() instead of isset() to allow for MySQL NULL values - if (array_key_exists($n, $this->row_data)) + // array_key_exists() instead of isset() to allow for NULL values + if (empty($this->row_data) OR ! array_key_exists($n, $this->row_data)) { - return $this->row_data[$n]; + return NULL; } - // reset the $n variable if the result was not achieved - $n = 0; + + return $this->row_data[$n]; } if ($type === 'object') return $this->row_object($n); @@ -284,6 +281,8 @@ class CI_DB_result { /** * Assigns an item into a particular column slot * + * @param mixed $key + * @param mixed $value * @return void */ public function set_row($key, $value = NULL) @@ -314,6 +313,8 @@ class CI_DB_result { /** * Returns a single result row - custom object version * + * @param int $n + * @param string $type * @return object */ public function custom_row_object($n, $type) @@ -338,6 +339,7 @@ class CI_DB_result { /** * Returns a single result row - object version * + * @param int $n = 0 * @return object */ public function row_object($n = 0) @@ -361,6 +363,7 @@ class CI_DB_result { /** * Returns a single result row - array version * + * @param int $n = 0 * @return array */ public function row_array($n = 0) @@ -384,7 +387,8 @@ class CI_DB_result { /** * Returns the "first" row * - * @return object + * @param string $type = 'object' + * @return mixed */ public function first_row($type = 'object') { @@ -397,7 +401,8 @@ class CI_DB_result { /** * Returns the "last" row * - * @return object + * @param string $type = 'object' + * @return mixed */ public function last_row($type = 'object') { @@ -410,7 +415,8 @@ class CI_DB_result { /** * Returns the "next" row * - * @return object + * @param string $type = 'object' + * @return mixed */ public function next_row($type = 'object') { @@ -433,7 +439,8 @@ class CI_DB_result { /** * Returns the "previous" row * - * @return object + * @param string $type = 'object' + * @return mixed */ public function previous_row($type = 'object') { @@ -455,8 +462,8 @@ class CI_DB_result { /** * Returns an unbuffered row and move pointer to next row * - * @param string 'array', 'object' or a custom class name - * @return mixed either a result object or array + * @param string $type = 'object' 'array', 'object' or a custom class name + * @return mixed */ public function unbuffered_row($type = 'object') { |