front-end

How to make front end form only accept certain values

you will probably want to use term_exists http://codex.wordpress.org/Function_Reference/term_exists to check if the term is “valid”. Probably worth checking how good is that API with mismatched cases. Another option is to use AJAX to populated your input control base on the user input. I am almost sure there is some jquery plugin for that, and then … Read more

How to add notifcations to front-end menu for users when they recieved replies?

Without knowing the specifics of your theme I can’t say if a plugin exists that does this. That said, if you are comfortable with PHP something like this would do the trick: My Profile<?php if($user->hasMessages()):><img src=”https://wordpress.stackexchange.com/path/to/icon”><?php endif;?> Do you have a code sample to look at, I could be much more specific if you did.

How to change the color theme per post?

I would agree to the comment by Howdy_McGee to use Custom Fields. A nice implementation would be possible with add_meta_box(). 1. Approach: The body_class Filter So for example, you could let him enter a custom field ‘color-scheme’. In the next step, you could simply hook into the ‘body_class’-filter and add another class to the <body>-tag … Read more

multiple taxonomy select display only one in front end

add a loop to display all taxonomy : if (2 > count($locations)) { echo ‘<strong>Location:</strong> ‘.$locations[0]->name.'<br>’; } else { echo “<strong>Location:</strong>”; echo “<ul>”; foreach ($locations as $l) { echo “<li>”; echo $l->name; echo “</li>”; } echo “</ul>”; } . other loop with all location on the same line $stack = array(); foreach ($locations as $l) … Read more

Front end inline editing?

Use the WP JSON REST API in conjunction with jQuery.ajax(). It works pretty well with custom endpoints. Just be sure to use nonces. <?php add_action( ‘rest_api_init’, function () { register_rest_route( ‘myplugin/v1’, ‘/author/(?P<id>\d+)’, array( ‘methods’ => ‘GET’, ‘callback’ => ‘my_awesome_func’, ) ); } );

+ More