<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**
 * For testing
 */
class My_fieldtype_ft extends EE_Fieldtype {
    
    // general info
    var $info = array(
     "name"  => "Test Fieldtype",
     "version" => "0.0.1"
    );
    
    // for tag pairs
    public $has_array_data = TRUE;
    
    // prefix to avoid duplicates
    private $prefix = "mft:";
    
    // --------------------------------------------------------------------

    /**
     * Install Fieldtype
     *
     * @access public
     * @return default global settings
     */
    function install() {
     return array(
      'field_wide'  => TRUE  // If your fieldtype needs a wide style on the publish form, like Grid or a Textarea, then be sure to include 'field_wide' => TRUE in your settings array.
     );
    }//install() end
    
    // --------------------------------------------------------------------
    
    /**
     * Update Fieldtype
     *
     * This function performs any necessary db updates when the extension
     * page is visited
     *
     * @return  mixed   void on update / false if none
     */
    function update($current = "") {
     if ($current == '' OR $current == $this->info["version"]) {
      return FALSE;
     }
    
     ee()->db->where( "name", "my_fieldtype" );
     ee()->db->update( "fieldtypes", array("version" => $this->info["version"]) );
    }//update end
    
    // --------------------------------------------------------------------
    
    /**
     * Check if the fieldtype will accept a certain content type
     *
     * For backward compatiblity, all fieldtypes will initially only
     * support the channel content type. Override this method for more
     * control.
     *
     * @param string  The name of the content type
     * @return bool   Supports content type?
     */
    public function accepts_content_type($name) {
     return ($name == 'channel');
    }//accepts_content_type end
    
    // --------------------------------------------------------------------
    
    /**
     * Display Field on Publish
     *
     * @access public
     * @param existing data
     * @return field html
     *
     */
    function display_field($data) {
     $inputData = array(
       "type" => "text",
       "name" => $this->field_name,
       "id" => $this->field_name,
       "value" => isset($data) ? $data : "test"
     );
     
     return "<div>".form_input($inputData)."</div>";
    }//display_field end
    
    // --------------------------------------------------------------------
    
    /**
     * Validate the posted data.
     *
     * @param mixed $data
     *
     * @return mixed $result Error message in case of failed validation.
     */
    public function validate($data) {
     return TRUE;
    }//validate end
    
    // --------------------------------------------------------------------
    
    /**
     * Save the field
     *
     * The data you return will be saved and returned to your field on
     * display on the frontend and when editing the field. This is the
     * field that is processed on search.
     *
     * If you want to store data in your own table, please use post_save
     * when the entry/content id is available.
     *
     * @param mixed  data submitted with the field_name, arrays allowed
     * @return string data to store
     */
    public function save($data) {
     return $data;
    }//save end
    
    // --------------------------------------------------------------------
    
    /**
     * Replace the field tag on the frontend.
     *
     * @param string Stored data for the field - contains the field data (or prepped data, if using pre_process)
     * @param array  The tag's parameters
     * @param mixed  If the tag is a pair, the tagdata (data between tag == for tag pairs). Otherwise FALSE.
     * @return string Parsed tagdata
     */
    public function replace_tag($data, $params = array(), $tagdata = FALSE) {
     
     if(!$tagdata) {
      return "single tag";
     }
     
     return "paired tags";
    }//replace_tag
    
    public function replace_test($data, $params = array(), $tagdata = FALSE) {
     
     if(!$tagdata) {
      return "test single tag";
     }
     
     return "test paired tags";
    }//replace_tag
    
}
// END My_fieldtype_ft class

<?php
return array(
    'author'  => 'ilab',
    'author_url' => '-',
    'name'   => 'Test Fieldtype',
    'description' => 'Advanced Conditional Test',
    'version'  => '0.0.1',
    'namespace'  => 'ilab\test',
    'settings_exist' => FALSE
);

{exp:channel:entries channel="my_channel" disable="member_data|pagination|relationships" dynamic="no" status="open" limit="1"}
{title}


{testfield:test}
to replace
{/testfield:test}



<?
for ($i = 1; $i < 50; $i++) { //change limit to e.g. 100 and it won't work
    echo $i.': {testfield}{if "{testfield}" == ""}mtf is empty{/if}
';
}
?>





{/exp:channel:entries}