wp loop WP_Query kama thumbnail

wp_loop.php

<?php
$args = array(
	    'posts_per_page' => 5,
	    'cat' => "$rz_loan_card, $rz_loan_cash",
	    'meta_query' => array(
    		array(
    			'key' => '_rz_loan_fields|rz_loan_max_summ|0|0|value',
    			'value' => $summ,
    			'type'=> 'numeric',
    			'compare' => '>=',
    		),
    		array(
    			'key' => '_rz_loan_fields|rz_loan_time|0|0|value',
    			'value' => $days, 
    			'type'=> 'numeric',
    			'compare' => '>=',
    		),
    	),
    	'meta_key' => 'post_views_count',
		'orderby' => 'meta_value_num',
	);

$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

$args = [
	'posts_per_page' => -1,
	'paged' => get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1,
	'cat' => $cat_diet_id,
	'category__not_in' => array($cat_diet_id),
	'paged' => $paged,
	'meta_key' => 'slider',
	'orderby' => 'meta_value_num',
	'post__not_in' => array(123, 456),
	'ignore_sticky_posts' => true,
];

$meta_query_weight = array();
if ($weight_ajax) {
	$meta_query_weight['key'] = 'crb_weight';
	$meta_query_weight['value'] = $weight_ajax;
}

if ( count($meta_query_weight) ) {
	$args['meta_query'] = array($meta_query_weight);
}

$loop = new WP_Query($args);

if ( $loop->have_posts() ) {
	while ( $loop->have_posts() ) { $loop->the_post();
		$w = 660; $h = 300;
    	if ( kama_thumb_src() ) {
    	    echo '<img src="'.kama_thumb_src('w='.$w.'&h='.$h).'" width="'.$w.'" height="'.$h.'" alt="'.get_the_title().'" />';    
    	} ?>
		<a href="<?php the_permalink() ?>"><?php the_title(); ?></a>
		<?php
	}
}
wp_reset_query();
// wp_reset_postdata();



// Set post type
switch ( $request->cat ) {
	case 'credit-cards':
		$args['post_type'] = 'credit-cards-post';
		break;
	case 'loans':
		$args['post_type'] = 'loans-post';
		break;
}

$args['meta_query'] = [
	[
		'key'     => '_credit-cards-locale|credit-cards-locale-post-name|0|0|value',
		'value'   => sanitize_text_field( $request->searchText ),
		'compare' => 'LIKE',
	],
];

$args['meta_key'] = 'post_views_count';
$args['orderby']  = 'meta_value';