Hook Page Delivery Callback Alter

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drupal_deliver_page common.inc Drupal 7.x Drupal API

    https://api.drupal.org/api/drupal/includes%21common.inc/function/drupal_deliver_page/7.x
    The delivery callback function specified in hook_menu(), hook_menu_alter(), or hook_page_delivery_callback_alter() will be called even if the router item access checks fail. This is intentional (it is needed for JSON and other purposes), but it has security implications.

Drupal 7 Page Delivery Callbacks #! code

    https://www.hashbangcode.com/article/drupal-7-page-delivery-callbacks
    Implementing hook_page_delivery_callback_alter() Just before the drupal_deliver_page() finally calls drupal_deliver_html_page(), installed modules are given the chance to alter the delivery callback via the hook_page_delivery_callback_alter() hook. This hook allows you to alter the delivery callback function depending on certain parameters.

7 - Which hook do I need to use to pull external content ...

    https://drupal.stackexchange.com/questions/57554/which-hook-do-i-need-to-use-to-pull-external-content-in-pages
    hook_page_alter() is used to alter the page returned from another module, and hook_page_delivery_callback_alter() is used to change the page delivery callback for a page output from another module. All the hooks with a name ending with _alter are hooks that alter the output of another module, what another module returns, or the data stored by ...

Use hook_menu_alter to override page callback of web form ...

    https://stackoverflow.com/questions/22797673/use-hook-menu-alter-to-override-page-callback-of-web-form-module
    I get 7 times the whole menu array every time I go on the webpage (I thought the hook is called only once when I clear the menu chache). And the changes are applied. – user3486983 Apr 2 '14 at 7:24

drupal - hook_menu_alter or hook_menu_link_alter? - Stack ...

    https://stackoverflow.com/questions/18442622/hook-menu-alter-or-hook-menu-link-alter
    hook_menu_alter()-> Alter the data being saved to the {menu_router} table after hook_menu is invoked.So by using this hook you can alter like - access_callback, access_arguments, page_callback, page_arguments, delivery_callback, title, title_callback, title_arguments, theme_callback and so on.

Change $callbacks to $items in hook_menu_alter() [#357429 ...

    https://www.drupal.org/project/drupal/issues/357429
    Jan 11, 2009 · Needs to be changed in the docs, and anywhere in core that hook_menu_alter() is implemented (unit tests if anywhere, probably).

7 - Use hook_menu_alter to change access callbacks ...

    https://drupal.stackexchange.com/questions/42318/use-hook-menu-alter-to-change-access-callbacks
    Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share …

Unify page, AJAX 'path', and AJAX 'callback' callbacks ...

    https://www.drupal.org/project/drupal/issues/599804
    Oct 09, 2009 · Because a contrib module can implement hook_menu_alter() to change the delivery callback of any page, just about anything ought to be possible with no further changes to core. But for D8, we can add support to have the needed flexibility without resorting to hook_menu_alter().

hook_menu system.api.php Drupal 7.x Drupal API

    https://api.drupal.org/api/drupal/modules%21system%21system.api.php/function/hook_menu/7.x
    "delivery callback": The function to call to package the result of the page callback function and send it to the browser. Defaults to drupal_deliver_html_page() unless a value is inherited from a parent menu item. Note that this function is called even if the access checks fail, so any custom delivery callback function should take that into account.

Adding a hook_page_alter() and hook_form_alter() to our ...

    https://buildamodule.com/video/drupal-8-developer-prep-building-a-simple-drupal-8-module-adding-a-hook-page-alter-and-hook-form-alter-to-our-module
    Let's go back to our module folder and let's open up our glue dot module file which will be empty, and we'll go back and in our steps folder, go ahead and open up the third step which is called glue dot module hook page alter. Copy the entire code of this page and paste it over into the glue dot module …

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