speakers shortcode

shortcodes.php

<?php
if (!function_exists('wpt_speakers')) {
    function wpt_speakers( $atts, $content = null ) {
        extract(shortcode_atts(array(
            'event'=> '',
			'class' => '',			
        ), $atts));
        $t = get_term_by( 'slug', $levelsp, 'levelsp' );
        $out="</div><div class='row-fluid speaker-level'>".do_shortcode('[title-bordered]'.strtoupper($t->name).'[/title-bordered]')."</div><div class='row-fluid'>";
        
        if($event!=''){
            $args=array(
                'post_type'=>'speakers',
                'meta_key'=>'speaker_lastname',
                'order_by'=>'meta_value',
		'order'=>'ASC',
		'posts_per_page'=>-1,
                'tax_query' => array(
                    'relation' => 'AND',
                    array(
                        'taxonomy' => 'summits',
                        'field' => 'slug',
                        'terms' => $event
                    )
                ),
             
            );
           
			if( $levelsp != '' ){
				$args['tax_query'][]= array(
						'taxonomy' => 'levelsp',
						'field' => 'slug',
						'terms' => $levelsp
					);
			} 
          // print_r($args);
			

            $q=new WP_Query($args);

            if ($q->have_posts()) :

                while ($q->have_posts()) : $q->the_post();
					
                    $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), $size = 'thumbnail' );
                    $title=get_post_meta(get_the_ID(),'wpt_title',true);
                    $company=get_post_meta(get_the_ID(),'wpt_company',true);
                    $linkedin=get_post_meta(get_the_ID(),'wpt_company',true);
                    $twitterurl=get_post_meta(get_the_ID(),'wpt_twitter',true);
                    if ($twitterurl) {
                    	$twitter='<a target="_blank" href="http://twitter.com/'.$twitterurl.'"><img src="http://lesbianswhotech.org/wp-content/uploads/2013/11/32x32_twitter.png" alt="twitter"></a>';
                    } else {
                    	$twitter='<div></div>';
                    }
                    $linkedinurl=get_post_meta(get_the_ID(),'linkedin_url',true);
                    if ($linkedinurl) {
                    	$linkedin='<a target="_blank" href="'.$linkedinurl.'"><img src="http://lesbianswhotech.org/wp-content/uploads/2013/11/32x32_linkedin.png" alt="linkedin"></a>';
                    } else {
                    	$linkedin='<div></div>';
                    }                    
                    $out.='<div class="col-lg-3 col-md-3 col-sm-6 speaker">
                    			<a href="'. get_permalink() .'">
			    					<div class="image"><img alt="'.get_the_title().'" src="'.$image[0].'" /></div>
									<div class="overlay">
										<div class="details">
											<div class="name">'.get_the_title().'</div>
	                        				<div class="title">'.$title.'</div>
											<div class="title"> '.$company.'</div>
											<div class="social-links"> '.$twitter.$linkedin.'</div>
										</div>
									</div>
								</a>
							</div>';
                endwhile;
            endif;
            wp_reset_query();
        }
		$out .= '</div>';
        return $out;

    }
    add_shortcode('speakers', 'wpt_speakers');
}