variables - Read For Learn

How to change the value of a variable using input field?

Please try below snippet of code. HTML : <input name=”getUser” id=”getUser” value=””/> <div id=”user_data”></div> JS (js/my-ajax-script.js) jQuery(document).ready(function($){ $(‘#getUser’).keyup(function(e) { var user_id = e.target.value; console.log(user_id); $.ajax({ url:my_ajax_object.ajaxurl, #add here your ajax url type:’POST’, data:’action=get_this_user_data&user_id=’+user_id , success:function(results) { jQuery(‘#user_data’).html(results); } }); }); }); Ajax (add in functions.php) function my_enqueue() { wp_enqueue_script( ‘ajax-script’, get_template_directory_uri() . ‘/js/my-ajax-script.js’, array(‘jquery’) ); … Read more

Theme customisation – how to store javascript externally when it utilises php variables?

Since it’s a plugin, you should enqueue jQuery first. Inside your add_action(‘wp_head’, function () { before wp_register_script( ‘custom_script’, get_stylesheet_directory_uri() . ‘/custom.js’ ); add : if ( ! wp_script_is( ‘jquery’, ‘enqueued’ )) { //Enqueue jQuery wp_enqueue_script( ‘jquery’ ); } This will check if jQuery is loaded and if not it will load it. Then, in your … Read more

Getting value of variable from functions.php and debugging it

If nothing has been placed into your shortcode “wpv-current-user”, you won’t see anything in any of your output. You should use the built-in function wp_get_current_user() for this. Just beware that the Codex page warning. This may need to be called within an action that fires with or after the ‘init’ hook. I have modified your … Read more

How do I fix Undefined variable using $_POST in function?

Your check is incorrect: right now, it tries to access $_POST[‘rating’], which might not be set, and then checks whether that value is empty. Furthermore, you should scope your if statement with brackets, because right now, your code will try and update the average rating even if no new rating is provided. Try: function save_comment_meta_rating( … Read more

Local variable name in setup_postdata()

As noted in the documentation for setup_postdata(): setup_postdata() does not assign the global $post variable so it’s important that you do this yourself. Failure to do so will cause problems with any hooks that use any of the above globals in conjunction with the $post global, as they will refer to separate entities. So the … Read more

Reduce Stock Based on Custom Variation Field Rather than Attribute (Working Script)

how to create a shortcode from a variable in plugin

Trying to add some custom text into WordPress Post title via function.php

The first thing that i am not getting is $exclusive->y ? can you please share custom field settings that you have created? And the second thing that i have found, you must have to put global $post; in the first line of the function : add_filter( ‘the_title’, ‘wpb_new_title’, 10, 2 ); function wpb_new_title( $title, $id … Read more

Best way to use variables in multiple functions?

get variables data from functions.php to template wordpress (without global variables)

You have to think into the opposite direction: Don’t pull the variables from the template, push them into it. Templates should be as simple as possible, the shouldn’t know anything about the content of the rest of your code, for example function names. In other words: use hooks. In your template: // the numbers are … Read more

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