Gravity Forms populate

functions.php

<?php

function populate_checkbox($form) {

	if ( $form['id'] != 15 ) :
		return $form;
	endif;


	foreach($form['fields'] as &$field) :

		$field_id = 16; // The ID of the field to be populated

		if( $field['id'] != $field_id ) :
			continue;
		endif;

		$posts = tribe_get_events(
			array(
				'eventDisplay'=>'upcoming',
				'posts_per_page'=>-1,
				'tax_query'=> array(
					array(
						'taxonomy' => 'tribe_events_cat',
						'field'=>'slug',
						'terms' =>'teachers'
					)
				)
			)
		);

		$input_id = 1;

		foreach($posts as $post) :

			$mcaevents = get_post_meta($post->ID,'_mcaevents',TRUE);

			if ( $mcaevents['soldout'] != true && !event_geneology_by_id('field-trip-program',$post->ID) && $post->post_name != 'teacher-institute' && $post->post_name != 'teacher-workshop-bowie' ) :

				if ( $input_id % 10 == 0 ) :
					//skipping index that are multiples of 10 (multiples of 10 create problems as the input IDs)
					$input_id++;
				endif;

				$text = '<strong>' . $post->post_title . '</strong> (' . marty_return_sp_date( $post->ID ) . ')';
				$choices[] = array('text' => $text, 'value' => $post->post_title);
				$inputs[] = array("label" => $post->post_title, "id" => "{$field_id}.{$input_id}");

				$input_id++;

			endif;

		endforeach;

		$field['choices'] = $choices;
		$field['inputs'] = $inputs;

	endforeach;

	return $form;

}

add_filter( 'gform_pre_render', 'populate_checkbox' );
add_filter( 'gform_pre_validation', 'populate_checkbox' );
add_filter( 'gform_pre_submission_filter', 'populate_checkbox' );
add_filter( 'gform_admin_pre_render', 'populate_checkbox' );


?>