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<?php

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/**

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* Double Opt-In Helper module

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* @link https://contactform7.com/doi-helper/

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add_action( 'wpcf7_doi', 'wpcf7_doihelper_start_session', 10, 3 );

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/**

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* Starts a double opt-in session.

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function wpcf7_doihelper_start_session( $agent_name, $args, &$token ) {

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if ( isset( $token ) ) {

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return;

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}

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if ( ! function_exists( 'doihelper_start_session' ) ) {

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return;

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}

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$submission = WPCF7_Submission::get_instance();

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if ( ! $submission ) {

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return;

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}

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$contact_form = $submission->get_contact_form();

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$do_doi = apply_filters( 'wpcf7_do_doi',

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! $contact_form->is_false( 'doi' ),

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$agent_name,

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$args

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);

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if ( ! $do_doi ) {

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return;

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}

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$token = doihelper_start_session( $agent_name, $args );

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}

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