Add a div at top of WooCommerce shortcode output

Question

I have a WooCommerce product list generated by the [products category='tshirts'] shortcode.

I would like to add a div to the top of the list, so it looks like this:

<div class='woocommerce'>
   <ul class='products'>
       <div class='test'>Hello</div> //This is the div I would like to add
       <li class='product'></li>
       <li class='product'></li>
       <li class='product'></li>
       ...

I have tried the following but it is still not working:

function action_woocommerce_shop_loop( $array, $int ) { 
    echo "<div class='test'>Hello</div>";
}; 
add_action( 'woocommerce_shop_loop', 'action_woocommerce_shop_loop', 10, 2 );

Any help would be appreciated!

7uc1f3r · Accepted Answer · 2020-11-23 13:05:32Z

Several options are possible:

1. Re-write the woocommerce_product_loop_start function which is pluggable

function woocommerce_product_loop_start( $echo = true ) {
    ob_start();

    wc_set_loop_prop( 'loop', 0 );

    wc_get_template( 'loop/loop-start.php' );
    
    // Loop prop name = products
    if ( wc_get_loop_prop('name') == 'products' ) {
        echo '<div class="test">Hello</div>';
    }

    $loop_start = apply_filters( 'woocommerce_product_loop_start', ob_get_clean() );

    if ( $echo ) {      
        // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
        echo $loop_start;
    } else {
        return $loop_start;
    }
}

2. Overwrite the loop/loop-start.php template file. This template can be overridden by copying it to yourtheme/woocommerce/loop/loop-start.php

Replace

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}
?>
<ul class="products columns-<?php echo esc_attr( wc_get_loop_prop( 'columns' ) ); ?>">

With

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}
?>
<ul class="products columns-<?php echo esc_attr( wc_get_loop_prop( 'columns' ) ); ?>">
<?php
// Loop prop name = products
if ( wc_get_loop_prop('name') == 'products' ) {
    echo '<div class="test">Hello</div>';
}
?>

3. Via do_action( "woocommerce_shortcode_before_{$this->type}_loop", $this->attributes );

function action_woocommerce_shortcode_before_products_loop( $atts ) {   
    echo "<div class='test'>Hello</div>";
}
add_action( 'woocommerce_shortcode_before_products_loop', 'action_woocommerce_shortcode_before_products_loop', 10, 1 );

Result: (However, this is not quite what you are looking for)

<div class='woocommerce'>
   <div class='test'>Hello</div> //This is the div I would like to add
   <ul class='products'>
       <li class='product'></li>
       <li class='product'></li>

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