stacklast

<?php
add_action( 'woocommerce_before_single_product', 'my_function_sample', 10);
function my_function_sample() {
  global $product;
  echo ' <button style="margin-top: 1.5em;" class="weforms_submit_btn" type="button" onclick="history.back();"> Go Back </button>' ; 
}

stacklast

<?php
add_filter('gettext',  'translate_text');
add_filter('ngettext',  'translate_text');
 
function translate_text($translated) {
     $translated = str_ireplace('También te recomendamos',  'Productos Relacionados',  $translated);
     return $translated;
}

stacklast

<?php
// add text after and before price value
add_filter( 'woocommerce_get_price_html', 'text_after_price' );
function text_after_price($price){
	
	global $post;
	$text_to_add_after_price  = '/Mes + IVA';
	$text_to_add_before_price = 'Desde '; 
    return $text_to_add_before_price . $price .   $text_to_add_after_price;
} 

stacklast

<?php
// Woocomerce Versión 5.4.1  tested with astra theme
// Rename Title Tabs on Single Product     
add_filter( 'woocommerce_product_tabs', 'woo_rename_tabs', 98 );
function woo_rename_tabs( $tabs ) {
	$tabs['description']['title'] = __( 'Características' );		// Rename the description tab
	//$tabs['reviews']['title'] = __( 'Ratings' );				// Rename the reviews tab
	$tabs['additional_information']['title'] = __( '¿Qué incluye este renting?' );	// Rename the additional information tab
	return $tabs;
}

stacklast

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js" type="text/javascript"></script>
<script>
$(function(){
  
  /**
     * Algoritmo para validar cedulas de Ecuador
     * @Author : Victor Diaz De La Gasca.
     * @Fecha  : Quito, 15 de Marzo del 2013 
     * @Email  : vicmandlagasca@gmail.com
     * @Pasos  del algoritmo