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author | Lonnie Ezell <lonnieje@gmail.com> | 2015-07-22 16:20:05 +0200 |
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committer | Lonnie Ezell <lonnieje@gmail.com> | 2015-07-22 16:20:05 +0200 |
commit | 715959d5ec962431d3df4415acb798339b5a7f51 (patch) | |
tree | 12c3305451a0fed88e727244890e5bcefbf5bbd4 | |
parent | 5d064bb4c9aefff6051da0d0447a46ddd0667c99 (diff) |
Removing use of ->num_rows() in DB results docs.
-rw-r--r-- | user_guide_src/source/database/results.rst | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/user_guide_src/source/database/results.rst b/user_guide_src/source/database/results.rst index ac44566d3..5bddcebb2 100644 --- a/user_guide_src/source/database/results.rst +++ b/user_guide_src/source/database/results.rst @@ -33,17 +33,15 @@ If you run queries that might **not** produce a result, you are encouraged to test the result first:: $query = $this->db->query("YOUR QUERY"); - - if ($query->num_rows() > 0) + + foreach ($query->result() as $row) { - foreach ($query->result() as $row) - { - echo $row->title; - echo $row->name; - echo $row->body; - } + echo $row->title; + echo $row->name; + echo $row->body; } + You can also pass a string to result() which represents a class to instantiate for each result object (note: this class must be loaded) @@ -83,11 +81,11 @@ one row, it returns only the first row. The result is returned as an **object**. Here's a usage example:: $query = $this->db->query("YOUR QUERY"); - - if ($query->num_rows() > 0) + + $row = $query->row(); + + if (is_object($row)) { - $row = $query->row(); - echo $row->title; echo $row->name; echo $row->body; @@ -113,11 +111,11 @@ Identical to the above ``row()`` method, except it returns an array. Example:: $query = $this->db->query("YOUR QUERY"); - - if ($query->num_rows() > 0) + + $row = $query->row_array(); + + if (is_array($row)) { - $row = $query->row_array(); - echo $row['title']; echo $row['name']; echo $row['body']; |