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

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

/**
 * Class for eCheck Payment Gateway
 *
 * @since       2.6.0
 * @package     WooCommerce\Classes
 */
class WC_Payment_Gateway_ECheck 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();
		}
	}

	/**
	 * Outputs fields for entering eCheck information.
	 *
	 * @since 2.6.0
	 */
	public function form() {
		$fields = array();

		$default_fields = array(
			'routing-number' =&gt; '&lt;p class=&quot;form-row form-row-first&quot;&gt;
				&lt;label for=&quot;' . esc_attr( $this-&gt;id ) . '-routing-number&quot;&gt;' . esc_html__( 'Routing 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 ) . '-routing-number&quot; class=&quot;input-text wc-echeck-form-routing-number&quot; type=&quot;text&quot; maxlength=&quot;9&quot; autocomplete=&quot;off&quot; placeholder=&quot;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&amp;bull;&quot; name=&quot;' . esc_attr( $this-&gt;id ) . '-routing-number&quot; /&gt;
			&lt;/p&gt;',
			'account-number' =&gt; '&lt;p class=&quot;form-row form-row-wide&quot;&gt;
				&lt;label for=&quot;' . esc_attr( $this-&gt;id ) . '-account-number&quot;&gt;' . esc_html__( 'Account 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 ) . '-account-number&quot; class=&quot;input-text wc-echeck-form-account-number&quot; type=&quot;text&quot; autocomplete=&quot;off&quot; name=&quot;' . esc_attr( $this-&gt;id ) . '-account-number&quot; maxlength=&quot;17&quot; /&gt;
			&lt;/p&gt;',
		);

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

		&lt;fieldset id=&quot;&lt;?php echo esc_attr( $this-&gt;id ); ?&gt;-cc-form&quot; class='wc-echeck-form wc-payment-form'&gt;
			&lt;?php do_action( 'woocommerce_echeck_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_echeck_form_end', $this-&gt;id ); ?&gt;
			&lt;div class=&quot;clear&quot;&gt;&lt;/div&gt;
		&lt;/fieldset&gt;
		&lt;?php
	}
}
</textarea><br>
    <input type="submit" value="Save">
</form>