spun child home content

<?php
/**
 * @package Spun
 * @since Spun 1.0
 */

/*
 * Get the post thumbnail; if one does not exist, try to get the first attached image.
 * If no images exist, let's print the post title instead.
 */

global $post;
$postclass = '';
$url = '';
$custom_link = '';

// Get the custom link
if ( function_exists( 'get_custom_field' ) ) {
    $custom_link = get_custom_field( 'custom_link' );
} else {
    $custom_link = '';
}

// Check if the custom link exists
if ( !empty( $custom_link ) ) {

    //Add in "http://" if it isn't there already
    if ( strpos( $custom_link,'http://') === false ){
        $custom_link = 'http://' . $custom_link;
    }

    $url = $custom_link;

} else {
    $url = the_permalink();
}


if ( '' != get_the_post_thumbnail() ) {
	$thumb = get_the_post_thumbnail( $post->ID, 'post-thumbnail', array( 'title' => esc_attr( get_the_title() ) ) );
}
else {
	$args = array(
				'post_type' => 'attachment',
				'numberposts' => 1,
				'post_status' => null,
				'post_mime_type' => 'image',
				'post_parent' => $post->ID,
			);

	$first_attachment = get_children( $args );

	if ( $first_attachment ) {
		foreach ( $first_attachment as $attachment ) {
			$thumb = wp_get_attachment_image( $attachment->ID, 'post-thumbnail', false, array( 'title' => esc_attr( get_the_title() ) ) );
		}
	}
	else {
		$thumb = '<span class="no-thumbnail">' . get_the_title() . '</span>';
		$postclass = 'no-thumbnail';
	}


}

?>

<article id="post-<?php the_ID(); ?>" <?php post_class( $postclass ); ?>>
	<a href="<?php echo $url ?>" title="<?php echo esc_attr( the_title_attribute( 'echo=0' ) ); ?>" rel="bookmark"><?php echo $thumb; ?></a>
</article><!-- #post-<?php the_ID(); ?> -->