The get_option function has a second parameter that allows you to specify a default value as noted in the documentation here if I am understanding you correctly. Does this do anything? <input name=”show_introduction” type=”checkbox” id=”show_introduction” value=”true” <?php checked(‘true’, get_option(‘show_introduction’, ‘true’)); ?> />
What data sanitzation function should be used to store entire source code of webpage?
Add ALT attribute to Pin It Button image to pass HTML5 validation
I was able to discover the problem. It appears that the Gravity Forms add-on has its own validation which does not check the status of validation prior to perform its own logic. Therefore, any previous validation that had failed would not trip the Gravity Forms validation, therefore allowing Gravity Forms to validate and removing them … Read more
Resetting admin post form on JS validation fail
That’s the standard html5 input validation pop up for chrome, you will have to create the pop up from scratch unless your inputs can make use of html5 form validation such as type=email or required
You can’t. If you’re using the settings API correctly, here’s what happens when you try to save your options: Form posts to options.php WordPress handles $_POST and runs update_option on your registered settings Your sanitize callback from register_setting is applied Any data that fails/you don’t return in your callback isn’t saved WordPress redirects back to … Read more
You should use the helping site of validation – https://codex.wordpress.org/Data_Validation I think in your context is wp_kses the right function. You can allow html tags. The function have a lot of possibilities to use it with custom requirements. A small example to fast usage: $allowed_html = array( ‘a’ => array( ‘href’ => array(), ‘title’ => … Read more
What data validation we must use in different contexts?
Validate post checking if child term is assigned