How to run flush_rewrite_rules on activation after i register my custom post type using Wordpress Boilerplate Plugin

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I have created a plugin that register a new CPT but it doesnt work because i have to flush_rewrite_rules() (i can do this by going into the permalink setting page and save, but its not the right way)

I have read inside the wordpress codex that i have to flush_rewrite_rules() on activation, but its not working cuz flush_rewrite_rules() runs before i register the CPT, to work it must run after...

I am using this

And it has a class that runs on activation of the plugin i have added there this flush_rewrite_rules()

Edit

The boilerplate i have used is already structured with activation/deactivation classes, for example

function activate_l_erbario() {
    require_once plugin_dir_path( __FILE__ ) . 'includes/class-l-erbario-activator.php';
    L_Erbario_Activator::activate();

register_activation_hook( __FILE__, 'activate_l_erbario' );

and inside class-l-erbario-activator.php i have

class L_Erbario_Activator {
    public static function activate() {

    }

}

GITHUB WITH THE PLUGIN

/admin/class-l-erbario-admin.php -> here i register the CPT

/includes/class-l-erbario.php -> and here i add the add_action with the CPT

I have created a plugin that register a new CPT but it doesnt work because i have to flush_rewrite_rules() (i can do this by going into the permalink setting page and save, but its not the right way)

I have read inside the wordpress codex that i have to flush_rewrite_rules() on activation, but its not working cuz flush_rewrite_rules() runs before i register the CPT, to work it must run after...

I am using this https://github/DevinVinson/WordPress-Plugin-Boilerplate

And it has a class that runs on activation of the plugin i have added there this flush_rewrite_rules()

Edit

The boilerplate i have used is already structured with activation/deactivation classes, for example

function activate_l_erbario() {
    require_once plugin_dir_path( __FILE__ ) . 'includes/class-l-erbario-activator.php';
    L_Erbario_Activator::activate();

register_activation_hook( __FILE__, 'activate_l_erbario' );

and inside class-l-erbario-activator.php i have

class L_Erbario_Activator {
    public static function activate() {

    }

}

GITHUB WITH THE PLUGIN

https://github/NeaMitika/CPT-Erbario-Wordpress

/admin/class-l-erbario-admin.php -> here i register the CPT

/includes/class-l-erbario.php -> and here i add the add_action with the CPT

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Share Improve this question edited Nov 5, 2020 at 10:12 NeaMitika asked Nov 3, 2020 at 12:08 NeaMitikaNeaMitika 133 bronze badges 8

• 1 So if you need it to run after the post type is registered and when the plugin is activated, you'll probably want use the activation function to hook flush_rewrite_rules() onto something such as admin_init, rather than call it directly – cameronjonesweb Commented Nov 3, 2020 at 13:32
• On the Wordpress Codex it says this: // ATTENTION: This is only done during plugin activation hook in this example! // You should NEVER EVER do this on every page load!! flush_rewrite_rules(); – NeaMitika Commented Nov 3, 2020 at 16:18
• OK, then how is that getting run before your CPT registration? Which hook are you using to register your CPT? – Rup Commented Nov 4, 2020 at 17:25
• I have edited the main question on how the plugin handles activation – NeaMitika Commented Nov 5, 2020 at 7:15
• Thanks. How does it handle the registration? But I'd guess the simplest thing to do is to do the registration again in the activation hook, before calling flush_rewrite_rules. – Rup Commented Nov 5, 2020 at 8:50

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1 Answer 1

Sorted by: Reset to default 0

After a couple of days trying and trying and trying... i asked a youtuber who develops using the same Wordpress Plugin Boilerplate and he pointed me to this article:

https://andrezrv/2014/08/12/efficiently-flush-rewrite-rules-plugin-activation/

It adds an option inside_option table and it will flush rewrite rules based on that :) It worked perfectly

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