version	works on	just	rated
2.2.4	EE1 & EE2	$55

EE1 Functions Reference

Developing a celltype for Matrix is just as easy as creating a FieldFrame-based fieldtype. In fact, the first step is to create one.

The only function required to get your fieldtype to show up as an Matrix celltype is display_cell(). Below is a list of all the functions you can add.

`display_cell_settings( $settings )`

Add custom cell settings to the Matrix Configuration setting within the Edit Field form

Arguments

	Type	Description
`$settings`	Array	Previously-saved celltype settings for the column

Return

HTML to be inserted below the Cell Type select

`save_cell_settings( $settings )`

Modify the Matrix cell settings’ post data before it gets saved to the database

Arguments

	Type	Description
`$data`	Array	Post data that came from any inputs you created in `display_cell_settings`

Return

Array with the modified post data

`display_cell( $cell_name, $data, $settings )`

Create the custom Matrix cell HTML for the Publish form

Arguments

	Type	Description
`$cell_name`	String	Name you give your cell input
`$data`	Mixed	Previously-saved cell data
`$settings`	Array	The cell settings

Return

String of HTML to be inserted into the Matrix cell in the Publish form

`save_cell( $data, $settings, $entry_id )`

Modify the Matrix cell’s post data before it gets saved to the database

Arguments

	Type	Description
`$data`	Mixed	The cell’s post data
`$settings`	Array	The cell settings
`$entry_id`	Mixed	The entry’s ID

Return

The modified post data

`post_save_cell( $data, $settings, $entry_id, $row_id )`

Perform actions after a row has been saved

Arguments

	Type	Description
`$data`	Mixed	The cell’s post data
`$settings`	Array	The cell settings
`$entry_id`	Mixed	The entry’s ID
`$row_id`	Number	The entry’s ID

`delete_rows( $row_ids )`

Perform actions right before rows get deleted

Arguments

	Type	Description
`$row_ids`	Array	The row IDs about to be deleted