<form method="POST">
    <h3>Editing: class-wc-payment-gateway-cc.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php
/**
 * Class WC_Payment_Gateway_CC file.
 *
 * @package WooCommerce\Gateways
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Credit Card Payment Gateway
 *
 * @since       2.6.0
 * @package     WooCommerce\Classes
 */
class WC_Payment_Gateway_CC extends WC_Payment_Gateway {

	/**
	 * Builds our payment fields area - including tokenization fields for logged
	 * in users, and the actual payment fields.
	 *
	 * @since 2.6.0
	 */
	public function payment_fields() {
		if ( $this-&gt;supports( 'tokenization' ) &amp;&amp; is_checkout() ) {
			$this-&gt;tokenization_script();
			$this-&gt;saved_payment_methods();
			$this-&gt;form();
			$this-&gt;save_payment_method_checkbox();
		} else {
			$this-&gt;form();
		}
	}

	/**
	 * Output field name HTML
	 *
	 * Gateways which support tokenization do not require names - we don't want the data to post to the server.
	 *
	 * @since  2.6.0
	 * @param  string $name Field name.
	 * @return string
	 */
	public function field_name( $name ) {
		return $this-&gt;supports( 'tokenization' ) ? '' : ' name=&quot;' . esc_attr( $this-&gt;id . '-' . $name ) . '&quot; ';
	}

	/**
	 * Outputs fields for entering credit card information.
	 *
	 * @since 2.6.0
	 */
	public function form() {
		wp_enqueue_script( 'wc-credit-card-form' );

		$fields = array();

		$cvc_field = '&lt;p class=&quot;form-row form-row-last&quot;&gt;
			&lt;label for=&quot;' . esc_attr( $this-&gt;id ) . '-card-cvc&quot;&gt;' . esc_html__( 'Card code', 'woocommerce' ) . '&amp;nbsp;&lt;span class=&quot;required&quot;&gt;*&lt;/span&gt;&lt;/label&gt;
			&lt;input id=&quot;' . esc_attr( $this-&gt;id ) . '-card-cvc&quot; class=&quot;input-text wc-credit-card-form-card-cvc&quot; inputmode=&quot;numeric&quot; autocomplete=&quot;off&quot; autocorrect=&quot;no&quot; autocapitalize=&quot;no&quot; spellcheck=&quot;no&quot; type=&quot;tel&quot; maxlength=&quot;4&quot; placeholder=&quot;' . esc_attr__( 'CVC', 'woocommerce' ) . '&quot; ' . $this-&gt;field_name( 'card-cvc' ) . ' style=&quot;width:100px&quot; /&gt;
		&lt;/p&gt;';

		$default_fields = array(
			'card-number-field' =&gt; '&lt;p class=&quot;form-row form-row-wide&quot;&gt;
				&lt;label for=&quot;' . esc_attr( $this-&gt;id ) . '-card-number&quot;&gt;' . esc_html__( 'Card number', 'woocommerce' ) . '&amp;nbsp;&lt;span class=&quot;required&quot;&gt;*&lt;/span&gt;&lt;/label&gt;
				&lt;input id=&quot;' . esc_attr( $this-&gt;id ) . '-card-number&quot; class=&quot;input-text wc-credit-card-form-card-number&quot; inputmode=&quot;numeric&quot; autocomplete=&quot;cc-number&quot; autocorrect=&quot;no&quot; autocapitalize=&quot;no&quot; spellcheck=&quot;no&quot; type=&quot;tel&quot; placeholder=&quot;&amp;bull;&amp;bull;&amp;bull;&amp;bull; &amp;bull;&amp;bull;&amp;bull;&amp;bull; &amp;bull;&amp;bull;&amp;bull;&amp;bull; &amp;bull;&amp;bull;&amp;bull;&amp;bull;&quot; ' . $this-&gt;field_name( 'card-number' ) . ' /&gt;
			&lt;/p&gt;',
			'card-expiry-field' =&gt; '&lt;p class=&quot;form-row form-row-first&quot;&gt;
				&lt;label for=&quot;' . esc_attr( $this-&gt;id ) . '-card-expiry&quot;&gt;' . esc_html__( 'Expiry (MM/YY)', 'woocommerce' ) . '&amp;nbsp;&lt;span class=&quot;required&quot;&gt;*&lt;/span&gt;&lt;/label&gt;
				&lt;input id=&quot;' . esc_attr( $this-&gt;id ) . '-card-expiry&quot; class=&quot;input-text wc-credit-card-form-card-expiry&quot; inputmode=&quot;numeric&quot; autocomplete=&quot;cc-exp&quot; autocorrect=&quot;no&quot; autocapitalize=&quot;no&quot; spellcheck=&quot;no&quot; type=&quot;tel&quot; placeholder=&quot;' . esc_attr__( 'MM / YY', 'woocommerce' ) . '&quot; ' . $this-&gt;field_name( 'card-expiry' ) . ' /&gt;
			&lt;/p&gt;',
		);

		if ( ! $this-&gt;supports( 'credit_card_form_cvc_on_saved_method' ) ) {
			$default_fields['card-cvc-field'] = $cvc_field;
		}

		$fields = wp_parse_args( $fields, apply_filters( 'woocommerce_credit_card_form_fields', $default_fields, $this-&gt;id ) );
		?&gt;

		&lt;fieldset id=&quot;wc-&lt;?php echo esc_attr( $this-&gt;id ); ?&gt;-cc-form&quot; class='wc-credit-card-form wc-payment-form'&gt;
			&lt;?php do_action( 'woocommerce_credit_card_form_start', $this-&gt;id ); ?&gt;
			&lt;?php
			foreach ( $fields as $field ) {
				echo $field; // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
			}
			?&gt;
			&lt;?php do_action( 'woocommerce_credit_card_form_end', $this-&gt;id ); ?&gt;
			&lt;div class=&quot;clear&quot;&gt;&lt;/div&gt;
		&lt;/fieldset&gt;
		&lt;?php

		if ( $this-&gt;supports( 'credit_card_form_cvc_on_saved_method' ) ) {
			echo '&lt;fieldset&gt;' . $cvc_field . '&lt;/fieldset&gt;'; // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
		}
	}
}
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