GET MORE OUT OFGRAVITY FORMS

VANCOUVER WORDPRESS MEET-UP – MAY 15, 2014

WHAT WE'LL COVER:1. The challenge

2. Gravity Forms vs. ...

3. Get more out of the box

4. Get more with hooks

5. Some gotchas

THE CHALLENGE

MUST-HAVESA form that would accept user-submitted nominationsand save them as a custom post type

A voting mechanism for each award category that onlyallowed a person to vote once per person per category

SOLUTION?Gravity Forms!

vs.

Single license: $39 Single license: $0 + ???

User analytics: $19File uploads: $39Front-end posting: $39Multi-part forms: $39Conditional logic: $29

TOTAL: $165

OUT OF THE BOX MAGIC

FORM FIELDS IN A SNAP

USER-SUBMITTED POSTS

BUT WHAT ABOUT CPTS?There's a plugin for that.

NEEDED TO TURN THIS...

INTO THIS:

GRAVITY FORMS +CUSTOM POST TYPES

Find it WP plugin directory:wordpress.org/plugins/gravity-forms-custom-post-types/

Better yet, get it from Github*:github.com/bradvin/gravity-forms-custom-post-types

*No PHP error notices with WP DEBUG on.

FORMS IN MODALS (or another modal plugin) will allow you to easilyshow or or hide your form on demand.

Fancybox

IN A THEME FILE

hosted with ❤ by

<div id="voting‐form" style="display:none">  <?php echo do_shortcode( '[gravityform id="6" title="false" description="false" ajax="true"]' ) ?></div><a href="#voting‐form" class="fancybox button">Vote Now</a>

view rawGravity Forms and Fancybox GitHub

Initially hidden form + Ajax submitting= no-fuss modal perfection!

IN THE WILD

IN THE WILD

GET MORE WITH HOOKSAround 200 actions & filters you can use to extend GF...

www.gravityhelp.com/documentation/page/Developer_Docs

WHERE DOES IT GO?1. Your theme's functions.php file

2. A functionality plugin

AUTO-POPULATE FIELDSMany ways to go about this!

gform_field_value_[your custom param]

gform_pre_render_[your form ID]

gform_field_value_[your custom param]

Use this filter for text fields or pre-selection of options in a dropdown, etc. See the offcial docs .here

hosted with ❤ by

function my_city_population_function( $value ){    return 'Vancouver';}add_filter( 'gform_field_value_my_city', 'my_city_population_function' );

view rawDynamically Populate Gravity Forms Text Field GitHub

gform_field_value_[your custom param]

gform_pre_render_[your form ID]

Use this filter to pre-populate choices in a dropdown, etc. See the offcial docs .here

Check out a sample Gist.

CUSTOM VALIDATIONBe the boss of your form AND database!

gform_validation_[your form ID]

gform_validation_[your form ID]

hosted with ❤ by

function my_custom_validation( $validation_result ) {    $form = $validation_result["form"];     // Sorry, you don't get to live in Vancouver...        if ( $_POST['input_1'] == 'Vancouver' ) {         $validation_result["is_valid"] = false;         foreach ( $form["fields"] as &$field ) {             // NOTE: Replace 1 with the field you would like to validate                        if ( $field["id"] == "1" ) {                $field["failed_validation"] = true;                $field["validation_message"] = "Sorry, you can't enter Vancouver here!";                break;            }        }    }     // Assign modified $form object back to the validation result    $validation_result["form"] = $form;    return $validation_result;}add_filter( 'gform_validation_[your form ID]', 'my_custom_validation' );

view rawGravity Forms Custom Validation Example GitHub

See the offcial docs .here

RESTRICT UPLOAD SIZEThere's no way to do this out of the box and you may not

want users uploading 32MB files!

There is a plugin for that, but it's buggy. Instead...Check out this Gist.

CUSTOM CHECK FORDUPLICATES

Preventing duplicates is easy... preventing a single user fromsubmitting the same field value twice is harder.

Check out this Gist.

SOME GOTCHASDuplicate prevention (use )

Ajax and captcha

And on the topic of spam...

this plugin

THAT'S ALL FOLKS!Find me: and @mandiwise mandiwise.com

All of the snippets: gist.github.com/mandiwise