PHP WC_Payment_Gateway::payment_fields方法代码示例

 /**
  * Render the payment fields
  *
  * @since 4.0.0
  * @see WC_Payment_Gateway::payment_fields()
  * @see SV_WC_Payment_Gateway_Payment_Form class
  */
 public function payment_fields()
 {
     if ($this->supports_payment_form()) {
         $this->get_payment_form_instance()->render();
     } else {
         parent::payment_fields();
     }
 }

 /**
  * Sanitize payment fields
  * - some gateways include js in their payment fields
  *
  * @param WC_Payment_Gateway $gateway
  * @return mixed|string
  */
 protected function sanitize_payment_fields(WC_Payment_Gateway $gateway)
 {
     $html = '';
     if ($gateway->has_fields() || $gateway->get_description()) {
         ob_start();
         $gateway->payment_fields();
         $html = ob_get_contents();
         ob_end_clean();
         // remove script tags
         $html = $this->removeDomNodes($html, '//script');
     }
     return self::trim_html_string($html);
 }

    /**
     * Payment fields for Realex.
     *
     * @see WC_Payment_Gateway::payment_fields()
     */
    public function payment_fields()
    {
        if ($this->threedsecure->is_3dsecure_available() && (!is_checkout_pay_page() || isset($_GET['pay_for_order']))) {
            parent::payment_fields();
            ?>
			<style type="text/css">#payment ul.payment_methods li label[for='payment_method_realex'] img:nth-child(n+2) { margin-left:1px; }</style>
			<?php 
            return;
        }
        // default to new card
        $card_ref = 'new';
        if ($this->vault_available()) {
            // get the credit card tokens for the user
            $current_user = wp_get_current_user();
            $credit_cards = array();
            if ($current_user->ID) {
                $credit_cards = get_user_meta($current_user->ID, 'woocommerce_realex_cc', true);
            }
            // if there are saved cards, and one hasn't been selected, default to the first
            if ($credit_cards) {
                $card_ref = (object) current($credit_cards);
                $card_ref = $card_ref->ref;
            }
        }
        ?>
		<style type="text/css">#payment ul.payment_methods li label[for='payment_method_realex'] img:nth-child(n+2) { margin-left:1px; }</style>
		<fieldset>
			<?php 
        if ($this->description) {
            ?>
<p><?php 
            echo esc_html($this->description);
            ?>
 <?php 
            if ($this->is_test_mode()) {
                esc_html_e('TEST MODE ENABLED', 'woocommerce-gateway-realex');
            }
            ?>
</p><?php 
        }
        ?>

			<?php 
        if ($this->vault_available() && $credit_cards) {
            ?>
				<div>
					<p class="form-row form-row-first" style="width:65%;">
						<?php 
            foreach ($credit_cards as $credit_card) {
                $credit_card = (object) $credit_card;
                ?>
							<input type="radio" id="<?php 
                echo esc_attr($credit_card->ref);
                ?>
" name="realex_card_ref" style="width:auto;" value="<?php 
                echo esc_attr($credit_card->ref);
                ?>
" <?php 
                checked($credit_card->ref, $card_ref);
                ?>
 />
							<label style="display:inline;" for="<?php 
                echo esc_attr($credit_card->ref);
                ?>
">
								<?php 
                /* translators: Placeholders: %1$s - credit card type, %2$s - credit card last 4, %3$s - credit card expiration MM/YY */
                printf(esc_html__('%1$s ending in %2$s (%3$s)', 'woocommerce-gateway-realex'), $this->card_type_options[$credit_card->type], $credit_card->last4, $credit_card->expiration_month . '/' . $credit_card->expiration_year);
                ?>
							</label><br />
						<?php 
            }
            ?>
						<input type="radio" id="realex_new" name="realex_card_ref" style="width:auto;" <?php 
            checked('new', $card_ref);
            ?>
 value="0" /> <label style="display:inline;" for="realex_new"><?php 
            esc_html_e('Use Another Credit Card', 'woocommerce-gateway-realex');
            ?>
</label>
					</p>
					<p class="form-row form-row-last" style="width:30%;"><a class="button" href="<?php 
            echo esc_url(wc_get_page_permalink('myaccount'));
            ?>
#saved-cards"><?php 
            echo esc_html($this->managecards);
            ?>
</a></p>
					<div style="clear:both;"></div>
				</div>
				<div class="clear"></div>

			<?php 
        }
        ?>
//.........这里部分代码省略.........

 /**
  * Sanitize payment fields
  * - some gateways include js in their payment fields
  * @param WC_Payment_Gateway $gateway
  * @return mixed|string
  */
 protected function sanitize_payment_fields(WC_Payment_Gateway $gateway)
 {
     $html = '';
     if ($gateway->has_fields() || $gateway->get_description()) {
         ob_start();
         $gateway->payment_fields();
         $html = ob_get_contents();
         ob_end_clean();
         // remove any javascript
         // note: DOMDocument causes more problems than it's worth
         //      $doc = new DOMDocument();
         //      $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
         //      $script_tags = $doc->getElementsByTagName('script');
         //      $length = $script_tags->length;
         //      for ($i = 0; $i < $length; $i++) {
         //        $script_tags->item($i)->parentNode->removeChild($script_tags->item($i));
         //      }
         //      echo $doc->saveHTML();
         // simple preg_replace
         $html = preg_replace('/<script.+?<\\/script>/im', '', $html);
     }
     return $html;
 }

 /**
  * Render the payment fields
  *
  * @since 4.0.0
  * @see WC_Payment_Gateway::payment_fields()
  * @see SV_WC_Payment_Gateway_Payment_Form class
  */
 public function payment_fields()
 {
     if ($this->supports_payment_form()) {
         $form = new SV_WC_Payment_Gateway_Payment_Form($this);
         $form->render();
     } else {
         parent::payment_fields();
     }
 }