The hook occurs in the following file:
57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | wp_enqueue_script( 'updates' );
/**
* Fires before each tab on the Install Plugins screen is loaded.
*
* The dynamic portion of the action hook, `$tab`, allows for targeting
* individual tabs, for instance 'install_plugins_pre_plugin-information'.
*
* @since 2.7.0
*/
do_action( "install_plugins_pre_{$tab}" );
/*
* Call the pre upload action on every non-upload plugin installation screen
* because the form is always displayed on these screens.
*/
if ( 'upload' !== $tab ) {
/** This action is documented in wp-admin/plugin-install.php */
do_action( 'install_plugins_pre_upload' );
}
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