Add custom content blocks

custom-content-blocks.php

<?php

/*
 * my-listing-child/functions.php
 */
add_filter( 'case27/listingtypes/profile_layout_blocks', function( $blocks ) {
	$blocks[] = [
		'type' => 'block_name', // needs to be something unique
		'icon' => 'view_headline', // from material-icons list
		'title' => 'Block Title',
		'title_l10n' => ['locale' => 'en_US'], // work in progress for multilanguage support, just leave it like this
		'show_field' => '',
		'allowed_fields' => ['text', 'textarea','url', 'number'],
	];

	return $blocks;
});

add_action( 'case27/listing/blocks/block_name', function( $widget ) {
	global $post;
	// In the child theme, create sections/block-name.php
	c27()->get_section('block-name', [
		'ref' => 'single-listing', // just leave it like this
		'icon' => 'material-icons://view_headline',
		'title' => $widget['title'],
		'some-field' => get_post_meta( $post->ID, "_{$widget['show_field']}", true ),
	]);
});

?>

/*
 * my-listing-child/sections/block-name.php
 */
<?php
	$data = c27()->merge_options([
		'some-field' => '', // The value of a field provided by the user
		'icon' => '',
		'icon_style' => 1,
		'title' => '',
	], $data);

	// Validate field value.
	if ( ! trim( $data['some-field'] ) ) {
		return false;
	}
?>

<div class="col-md-6 col-sm-12 col-xs-12 grid-item">
	<div class="element content-block">
		<div class="pf-head">
			<div class="title-style-1 title-style-<?php echo esc_attr( $data['icon_style'] ) ?>">
				<?php if ($data['icon_style'] != 3): ?>
					<?php echo c27()->get_icon_markup($data['icon']) ?>
				<?php endif ?>
				<h5><?php echo esc_html( $data['title'] ) ?></h5>
			</div>
		</div>
		<div class="pf-body">
			<?php echo do_shortcode( "[shortcode_name some-field="{$data['some-field']}"]" ); ?>
		</div>
	</div>
</div>