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How do you create and use custom hooks in PrestaShop?

How do you create and use custom hooks in PrestaShop?

To create and use custom hooks in PrestaShop, follow these steps:

Step 1: Define the Custom Hook

  • Open your module’s main PHP file and use the registerHook() method to define your custom hook.

Example

<?php
public function install()
{
    return parent::install() && $this->registerHook('displayCustomHook');
}
?>
  • The hook name must follow PrestaShop’s convention (i.e., displayHookName format for front-end hooks).

Step 2: Implement the Hook

  • In your template or module code, you can trigger this hook using the Hook::exec() method where you want to render its output.

Example

<?php
{hook h='displayCustomHook'}
?>

Step 3: Add a Method to Handle the Hook Logic

  • In your module’s PHP class, add a method to handle what happens when the custom hook is triggered. The method name should follow this format: hook[HookName].

Example

<?php
public function hookDisplayCustomHook($params)
{
    // Logic to be executed when the hook is called
    return '<p>This is custom content rendered by the custom hook.</p>';
}
?>

Step 4: Use the Hook in a Template

  • Use the custom hook in your theme’s template file (e.g., header.tpl or footer.tpl), or any other PrestaShop template where you want the hook to be executed.

Example

{hook h='displayCustomHook'}

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