Please find below to clrear cache in Drupal.
1. The easiest way to clear the Drupal cache is to go to Administration > Configuration > Development > Performance
(http://example.com/admin/config/development/performance)
2. Click the button “Clear all caches”
The most convenient way to rebuild Drupal’s cache is by using Drush.
Drupal 8:
drush cache-rebuild
Drupal 7 and earlier:
drush cache-clear all
Please find below code to send any documnet, PDF send through mail
/* Gravity forms */
function wdm_add_attachment( $notification, $form, $entry ) {
$upload_dir = wp_upload_dir();
if($form_id==9){
$notification[“attachments”] = $upload_dir[‘basedir’].’/pdf/order_new.pdf’;
}
return $notification;
}
add_filter(“gform_notification”, “wdm_add_attachment”, 9, 3);
/*Random String*/
function generateRandomString($length = 2) {
$characters = ‘0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ’;
$charactersLength = strlen($characters);
$randomString = ”;
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength – 1)];
}
return $randomString;
}
/*Random String*/
<?php
$dbHost = ‘localhost’;
$dbUsername = ‘root’;
$dbPassword = ”;
$dbName = ‘db_name’;
//Connect with the database
$db = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);
if ($db->connect_errno) {
printf(“Connect failed: %s\n”, $db->connect_error);
exit();
}
/*Get data from table*/
$accounts = $db->query(“SELECT * FROM table_name”);
while($row = $accounts->fetch_assoc()){
echo $row[‘sub_id’];
}
/*Store data in table*/
$query = “INSERT INTO table_name VALUES (‘$str’)”;
$sql = $db->query($query);
?>
/* Disable the Admin Bar. */
add_filter( ‘show_admin_bar’, ‘__return_false’ );
remove_action( ‘personal_options’, ‘_admin_bar_preferences’ );
// stop wp notice to update core
add_filter( ‘pre_site_transient_update_core’, create_function( ‘$a’, “return null;” ) );
// stop wp notice to update plugins
remove_action( ‘load-update-core.php’, ‘wp_update_plugins’ );
add_filter( ‘pre_site_transient_update_plugins’, create_function( ‘$a’, “return null;” ) );
/*16-06-16 start*/
jQuery(document).ready(function(){
jQuery(document).ajaxSuccess(function() {
jQuery( ‘.wc-new div.quantity:not(.buttons_added), wc-new td.quantity:not(.buttons_added)’ ).addClass( ‘buttons_added’ ).append( ‘<input type=”button” value=”+” class=”plus” />’ ).prepend( ‘<input type=”button” value=”-” class=”minus” />’ );
});
});
/*16-06-16 end*/
//Error
jQuery(…).datepicker is not a function
//Solution
var $j = jQuery.noConflict();
$j( “.date_picker” ).datepicker({
});
Some of options
https://jqueryui.com/datepicker/#dropdown-month-year
//Show year and months
changeMonth: true,
changeYear: true
//Desable previous dates
minDate: 0
Date picker in wordpress admin dashboard
Allow only item for single order.
1. Choose product where you don’t wish to show quantity field.
2. Edit Product.
3. From Bottom Click Inventory.
4. Check the box Sold Individually.
5. Update Product.
Please find below code…
//Get current page url
var curr_url = window.location.href
//Get hostname
var host_name = window.location.hostname
//Display the path name of the current URL
var path_name = window.location.pathname
//Get protocol of URL return http:// or https://
var proto = window.location.protocol;
//Get parameters from URL
var x = location.search;
Result:
?email=someone@example.com
Get woocommerce cart items
foreach( WC()->cart->get_cart() as $cart_item_key => $values ) {
$_product = $values[‘data’];
$cart_products[] = $_product->id;
}
WC()->cart->add_to_cart( $product_id ); // Add product to cart
WC()->cart->remove_cart_item( $cart_item_key ); // Remove product from cart
AviWeb 