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<?php |
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function process_yikes_unsubscribe_shortcode( $args ) { |
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$defaults = array( |
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'list' => '', |
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'form' => '', |
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'email_label' => 'Email Address', |
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'submit_label' => 'Unsubscribe', |
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'email_placeholder' => '' |
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); |
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$values = is_array( $args ) ? array_merge( $defaults, $args ) : $defaults; |
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if ( empty( $values['list'] ) && empty( $values['form'] ) ) { |
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return '<!-- YIKES Easy Forms Error: no list ID / form ID -->'; |
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} |
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if ( ! empty( $values['form'] ) ) { |
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// Get the list ID from the form ID |
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$interface = yikes_easy_mailchimp_extender_get_form_interface(); |
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$form_data = $interface->get_form( $values['form'] ); |
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$list_id = isset( $form_data['list_id'] ) ? $form_data['list_id'] : null; |
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} else if ( ! empty( $values['list'] ) ) { |
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$list_id = $values['list']; |
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} |
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if ( empty( $list_id ) ) { |
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return '<!-- YIKES Easy Forms Error: no list ID -->'; |
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} |
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// Include our JS AJAX functions |
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wp_register_script( 'yikes-mailchimp-unsubscribe-script', plugin_dir_url( __FILE__ ) . '/unsubscribe.js', array( 'jquery' ), YIKES_MC_VERSION, true ); |
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wp_localize_script( 'yikes-mailchimp-unsubscribe-script', 'yikes_unsubscribe_data', |
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array( |
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'ajax_url' => admin_url( 'admin-ajax.php' ), |
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'error1' => apply_filters( 'yikes-mailchimp-unsubscribe-general-error', __( 'An error occurred.', 'yikes-inc-easy-mailchimp-extender' ) ), |
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'error2' => apply_filters( 'yikes-mailchimp-unsubscribe-not-found-error', __( 'It looks like you\'re already unsubscribed.', 'yikes-inc-easy-mailchimp-extender' ) ), |
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'success' => apply_filters( 'yikes-mailchimp-unsubscribe-success', __( 'Success! You\'ve been unsubscribed from this list.', 'yikes-inc-easy-mailchimp-extender' ) ), |
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'loader' => apply_filters( 'yikes-mailchimp-unsubscribe-loader', YIKES_MC_URL . 'includes/images/ripple.svg' ), |
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) |
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); |
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wp_enqueue_script ( 'yikes-mailchimp-unsubscribe-script' ); |
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// Include our styles |
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wp_enqueue_style( 'yikes-mailchimp-unsubscribe-styles', plugin_dir_url( __FILE__ ) . '/unsubscribe.css', array(), YIKES_MC_VERSION, 'all' ); |
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ob_start(); |
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?> |
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<section id="yikes-mailchimp-unsubscribe-container-<?php echo $list_id; ?>" class="yikes-mailchimp-unsubscribe-container"> |
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<?php do_action( 'yikes-mailchimp-unsubscribe-before-form' ); ?> |
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<div class="yikes-mailchimp-unsubscribe-feedback" style="display: none;"></div> |
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<form id="yikes-mailchimp-unsubscribe-form-<?php echo $list_id; ?>" class="yikes-mailchimp-unsubscribe-form" method="POST"> |
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<!-- Email --> |
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<?php do_action( 'yikes-mailchimp-unsubscribe-before-email' ); ?> |
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<label for="yikes-mailchimp-unsubscribe-email" class="EMAIL-label"> |
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<span class="EMAIL-label"><?php echo $values['email_label']; ?></span> |
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<input name="EMAIL" placeholder="<?php echo $values['email_placeholder']; ?>" class="yikes-mailchimp-unsubscribe-email" id="yikes-mailchimp-unsubscribe-email" required="required" type="email" value="<?php echo esc_attr( apply_filters( 'yikes-mailchimp-unsubscribe-email-default', '' ) ); ?>"> |
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</label> |
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<?php do_action( 'yikes-mailchimp-unsubscribe-after-email' ); ?> |
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<!-- Honeypot Trap --> |
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<input type="hidden" class="yikes-mailchimp-honeypot" name="yikes-mailchimp-honeypot" value=""> |
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<!-- List ID --> |
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<input type="hidden" class="yikes-mailchimp-unsubscribe-list-id" name="yikes-mailchimp-unsubscribe-list-id" value="<?php echo $list_id; ?>"> |
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<!-- Submit Button --> |
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<button type="submit" class="yikes-mailchimp-unsubscribe-submit-button"> |
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<span class="yikes-mailchimp-submit-button-span-text"><?php echo $values['submit_label']; ?></span> |
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</button> |
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<input type="hidden" class="yikes-mailchimp-unsubscribe-nonce" name="yikes-mailchimp-unsubscribe-nonce" value="<?php echo wp_create_nonce( 'yikes-mailchimp-unsubscribe' ); ?>"> |
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</form> |
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<?php do_action( 'yikes-mailchimp-unsubscribe-after-form' ); ?> |
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</section> |
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<?php |
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return ob_get_clean(); |
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} |
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add_shortcode( 'yikes-mailchimp-unsubscribe', 'process_yikes_unsubscribe_shortcode' ); |
yikesinc /
yikes-inc-easy-mailchimp-extender
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.