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Diffstat (limited to 'user_guide/libraries/form_validation.html')
| -rw-r--r-- | user_guide/libraries/form_validation.html | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/user_guide/libraries/form_validation.html b/user_guide/libraries/form_validation.html index 7c544b69f..4400bac83 100644 --- a/user_guide/libraries/form_validation.html +++ b/user_guide/libraries/form_validation.html @@ -1038,6 +1038,13 @@ POST array:</p> </tr> <tr> + <td class="td"><strong>is_unique</strong></td> + <td class="td">Yes</td> + <td class="td">Returns FALSE if the form element is not unique in a database table.</td> + <td class="td">is_unique[table.field]</td> + </tr> + + <tr> <td class="td"><strong>valid_email</strong></td> <td class="td">No</td> <td class="td">Returns FALSE if the form element does not contain a valid email address.</td> |