How can I disable new plugin and theme install, but allow updates?

This would probably make a job done, although using die is not the pretty way add_filter( ‘upgrader_package_options’, function( $options ) { if ( isset( $options[‘hook_extra’][‘action’] ) && $options[‘hook_extra’][‘action’] === ‘install’ && isset( $options[‘hook_extra’][‘type’] ) && in_array( $options[‘hook_extra’][‘type’], [ ‘plugin’, ‘theme’ ] ) { die(‘Plugins & Themes installation disabled!’); } return $options; } );

WordPress managing dates that change in text regularly

You could, hypothetically, use placeholders in the content of a page (or a post), and then use the the_content filter to update the placeholders on the fly. For example, the content of your page would be something like this: Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et … Read more

Are major WordPress updates mandatory for security?

Yes and no, it depends. When a security issue is fixed, it’s usually backported, so officially the answer is no, you don’t have to update to the latest major release. However Backporting only goes back so far though, and you’ll eventually be left in the dark given enough time. This would take many years currently, … Read more

Update value inside array update_post_meta

The structure of the array you’ve provided suggests that you’re trying to access an incorrect level of the array. Try to replace: $t[0][“_give_amount”] = 25.00; $t[1][“_give_amount”] = 65.00; $t[2][“_give_amount”] = 100.00; $t[3][“_give_amount”] = 250.00; $t[4][“_give_amount”] = 650.00; with: $t[0][0][“_give_amount”] = 25.00; $t[0][1][“_give_amount”] = 65.00; $t[0][2][“_give_amount”] = 100.00; $t[0][3][“_give_amount”] = 250.00; $t[0][4][“_give_amount”] = 650.00;

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)