AyeCode / invoicing

templates/payment-forms/form.php

Spacing +22 added lines, -22 removed lines

@@ -7,44 +7,44 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Make sure that the form is active.
-if ( ! $form->is_active() ) {
+if (!$form->is_active()) {
     echo aui()->alert(
         array(
             'type'    => 'warning',
-            'content' => __( 'This payment form is no longer active', 'invoicing' ),
+            'content' => __('This payment form is no longer active', 'invoicing'),
         )
     );
     return;
 }
 
 // Fires before displaying a payment form.
-do_action( 'getpaid_before_payment_form', $form );
+do_action('getpaid_before_payment_form', $form);
 ?>
 
-<form class='getpaid-payment-form getpaid-payment-form-<?php echo absint( $form->get_id() ); ?> bsui position-relative' method='POST' data-key='<?php echo uniqid('gpf'); ?>' data-currency='<?php echo esc_attr( empty( $form->invoice ) ? wpinv_get_currency() : $form->invoice->get_currency() ); ?>'>
+<form class='getpaid-payment-form getpaid-payment-form-<?php echo absint($form->get_id()); ?> bsui position-relative' method='POST' data-key='<?php echo uniqid('gpf'); ?>' data-currency='<?php echo esc_attr(empty($form->invoice) ? wpinv_get_currency() : $form->invoice->get_currency()); ?>'>
 
 
     <?php
     
         // Fires when printing the top of a payment form.
-        do_action( 'getpaid_payment_form_top', $form );
+        do_action('getpaid_payment_form_top', $form);
 
         // And the optional invoice id.
-        if ( ! empty( $form->invoice ) ) {
-            echo getpaid_hidden_field( 'invoice_id', $form->invoice->get_id() );
+        if (!empty($form->invoice)) {
+            echo getpaid_hidden_field('invoice_id', $form->invoice->get_id());
         }
 
         // We also want to include the form id.
-        echo getpaid_hidden_field( 'form_id', $form->get_id() );
+        echo getpaid_hidden_field('form_id', $form->get_id());
 
         // And an indication that this is a payment form submission.
-        echo getpaid_hidden_field( 'getpaid_payment_form_submission', '1' );
+        echo getpaid_hidden_field('getpaid_payment_form_submission', '1');
 
         // Fires before displaying payment form elements.
-        do_action( 'getpaid_payment_form_before_elements', $form );
+        do_action('getpaid_payment_form_before_elements', $form);
 
         // Display the elements.
         ?>
@@ -52,13 +52,13 @@ 
             <div class="row">
                 <?php
 
-                    foreach ( $form->get_elements() as $element ) {
+                    foreach ($form->get_elements() as $element) {
 
-                        if ( isset( $element['type'] ) ) {
-                            $grid_class = esc_attr( getpaid_get_form_element_grid_class( $element ) );
+                        if (isset($element['type'])) {
+                            $grid_class = esc_attr(getpaid_get_form_element_grid_class($element));
                             echo "<div class='$grid_class'>";
-                            do_action( 'getpaid_payment_form_element', $element, $form );
-                            do_action( "getpaid_payment_form_element_{$element['type']}_template", $element, $form );
+                            do_action('getpaid_payment_form_element', $element, $form);
+                            do_action("getpaid_payment_form_element_{$element['type']}_template", $element, $form);
                             echo "</div>";
                         }
 
@@ -70,16 +70,16 @@ 
 
         <?php
         // Fires after displaying payment form elements.
-        do_action( 'getpaid_payment_form_after_elements', $form );
+        do_action('getpaid_payment_form_after_elements', $form);
 
         echo "<div class='getpaid-payment-form-errors alert alert-danger d-none'></div>";
 
-        if ( wpinv_current_user_can_manage_invoicing() ) {
+        if (wpinv_current_user_can_manage_invoicing()) {
 
             edit_post_link(
-                __( 'Edit this form.', 'invoicing' ),
+                __('Edit this form.', 'invoicing'),
                 '<small class="form-text text-muted">',
-                '&nbsp;' . __( 'This is only visible to website administators.', 'invoicing' ) . '</small>',
+                '&nbsp;' . __('This is only visible to website administators.', 'invoicing') . '</small>',
                 $form->get_id(),
                 'text-danger'
             );
@@ -91,7 +91,7 @@ 
 
     <div class="loading_div overlay overlay-black position-absolute row m-0 rounded overflow-hidden" style="height: 100%;width: 100%;top: 0px;z-index: 2;display:none;">
         <div class="spinner-border mx-auto align-self-center text-white" role="status">
-            <span class="sr-only"><?php _e( 'Loading...', 'invoicing' );?></span>
+            <span class="sr-only"><?php _e('Loading...', 'invoicing'); ?></span>
         </div>
     </div>
 
@@ -100,4 +100,4 @@ 
 <?php
 
 // Fires after displaying a payment form.
-do_action( 'getpaid_after_payment_form', $form );
+do_action('getpaid_after_payment_form', $form);

includes/gateways/class-getpaid-payment-gateway.php

Indentation +608 added lines, -608 removed lines

@@ -13,462 +13,462 @@ 
  */
 abstract class GetPaid_Payment_Gateway {
 
-	/**
-	 * Set if the place checkout button should be renamed on selection.
-	 *
-	 * @var string
-	 */
-	public $checkout_button_text;
-
-	/**
-	 * Boolean whether the method is enabled.
-	 *
-	 * @var bool
-	 */
-	public $enabled = true;
-
-	/**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
-	public $id;
-
-	/**
-	 * Payment method order.
-	 *
-	 * @var int
-	 */
-	public $order = 10;
-
-	/**
-	 * Payment method title for the frontend.
-	 *
-	 * @var string
-	 */
-	public $title;
-
-	/**
-	 * Payment method description for the frontend.
-	 *
-	 * @var string
-	 */
-	public $description;
-
-	/**
-	 * Gateway title.
-	 *
-	 * @var string
-	 */
-	public $method_title = '';
-
-	/**
-	 * Gateway description.
-	 *
-	 * @var string
-	 */
-	public $method_description = '';
-
-	/**
-	 * Countries this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $countries;
-
-	/**
-	 * Currencies this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $currencies;
-
-	/**
-	 * Currencies this gateway is not allowed for.
-	 *
-	 * @var array
-	 */
-	public $exclude_currencies;
-
-	/**
-	 * Maximum transaction amount, zero does not define a maximum.
-	 *
-	 * @var int
-	 */
-	public $max_amount = 0;
-
-	/**
-	 * Optional URL to view a transaction.
-	 *
-	 * @var string
-	 */
-	public $view_transaction_url = '';
-
-	/**
-	 * Optional URL to view a subscription.
-	 *
-	 * @var string
-	 */
-	public $view_subscription_url = '';
-
-	/**
-	 * Optional label to show for "new payment method" in the payment
-	 * method/token selection radio selection.
-	 *
-	 * @var string
-	 */
-	public $new_method_label = '';
-
-	/**
-	 * Contains a user's saved tokens for this gateway.
-	 *
-	 * @var array
-	 */
-	protected $tokens = array();
-
-	/**
-	 * An array of features that this gateway supports.
-	 *
-	 * @var array
-	 */
-	protected $supports = array();
-
-	/**
-	 * Class constructor.
-	 */
-	public function __construct() {
-
-		// Register gateway.
-		add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
-
-		$this->enabled = wpinv_is_gateway_active( $this->id );
-
-		// Add support for various features.
-		foreach ( $this->supports as $feature ) {
-			add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
-		}
-
-		// Invoice addons.
-		if ( $this->supports( 'addons' ) ) {
-			add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
-		}
-
-		// Gateway settings.
-		add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
+    /**
+     * Set if the place checkout button should be renamed on selection.
+     *
+     * @var string
+     */
+    public $checkout_button_text;
+
+    /**
+     * Boolean whether the method is enabled.
+     *
+     * @var bool
+     */
+    public $enabled = true;
+
+    /**
+     * Payment method id.
+     *
+     * @var string
+     */
+    public $id;
+
+    /**
+     * Payment method order.
+     *
+     * @var int
+     */
+    public $order = 10;
+
+    /**
+     * Payment method title for the frontend.
+     *
+     * @var string
+     */
+    public $title;
+
+    /**
+     * Payment method description for the frontend.
+     *
+     * @var string
+     */
+    public $description;
+
+    /**
+     * Gateway title.
+     *
+     * @var string
+     */
+    public $method_title = '';
+
+    /**
+     * Gateway description.
+     *
+     * @var string
+     */
+    public $method_description = '';
+
+    /**
+     * Countries this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $countries;
+
+    /**
+     * Currencies this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $currencies;
+
+    /**
+     * Currencies this gateway is not allowed for.
+     *
+     * @var array
+     */
+    public $exclude_currencies;
+
+    /**
+     * Maximum transaction amount, zero does not define a maximum.
+     *
+     * @var int
+     */
+    public $max_amount = 0;
+
+    /**
+     * Optional URL to view a transaction.
+     *
+     * @var string
+     */
+    public $view_transaction_url = '';
+
+    /**
+     * Optional URL to view a subscription.
+     *
+     * @var string
+     */
+    public $view_subscription_url = '';
+
+    /**
+     * Optional label to show for "new payment method" in the payment
+     * method/token selection radio selection.
+     *
+     * @var string
+     */
+    public $new_method_label = '';
+
+    /**
+     * Contains a user's saved tokens for this gateway.
+     *
+     * @var array
+     */
+    protected $tokens = array();
+
+    /**
+     * An array of features that this gateway supports.
+     *
+     * @var array
+     */
+    protected $supports = array();
+
+    /**
+     * Class constructor.
+     */
+    public function __construct() {
+
+        // Register gateway.
+        add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
+
+        $this->enabled = wpinv_is_gateway_active( $this->id );
+
+        // Add support for various features.
+        foreach ( $this->supports as $feature ) {
+            add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
+        }
+
+        // Invoice addons.
+        if ( $this->supports( 'addons' ) ) {
+            add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
+        }
+
+        // Gateway settings.
+        add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
 		
 
-		// Gateway checkout fiellds.
-		add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
-
-		// Process payment.
-		add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
-
-		// Change the checkout button text.
-		if ( ! empty( $this->checkout_button_text ) ) {
-			add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
-		}
-
-		// Check if a gateway is valid for a given currency.
-		add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
-
-		// Generate the transaction url.
-		add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
-
-		// Generate the subscription url.
-		add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
-
-		// Confirm payments.
-		add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
-
-		// Verify IPNs.
-		add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
-
-	}
-
-	/**
-	 * Checks if this gateway is a given gateway.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is( $gateway ) {
-		return $gateway == $this->id;
-	}
-
-	/**
-	 * Returns a users saved tokens for this gateway.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_tokens( $sandbox = null ) {
-
-		if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
-			$tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
-
-			if ( is_array( $tokens ) ) {
-				$this->tokens = $tokens;
-			}
-
-		}
-
-		if ( ! is_bool( $sandbox ) ) {
-			return $this->tokens;
-		}
-
-		// Filter tokens.
-		$args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
-		return wp_list_filter( $this->tokens, $args );
-
-	}
-
-	/**
-	 * Saves a token for this gateway.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_token( $token ) {
-
-		$tokens   = $this->get_tokens();
-		$tokens[] = $token;
-
-		update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
-
-		$this->tokens = $tokens;
-
-	}
-
-	/**
-	 * Return the title for admin screens.
-	 *
-	 * @return string
-	 */
-	public function get_method_title() {
-		return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
-	}
-
-	/**
-	 * Return the description for admin screens.
-	 *
-	 * @return string
-	 */
-	public function get_method_description() {
-		return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
-	}
-
-	/**
-	 * Get the success url.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 * @return string
-	 */
-	public function get_return_url( $invoice ) {
-
-		// Payment success url
-		$return_url = add_query_arg(
-			array(
-				'payment-confirm' => $this->id,
-				'invoice_key'     => $invoice->get_key(),
-				'utm_nooverride'  => 1
-			),
-			wpinv_get_success_page_uri()
-		);
-
-		return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
-	}
-
-	/**
-	 * Confirms payments when rendering the success page.
-	 *
-	 * @param string $content Success page content.
-	 * @return string
-	 */
-	public function confirm_payment( $content ) {
-
-		// Retrieve the invoice.
-		$invoice_id = getpaid_get_current_invoice_id();
-		$invoice    = wpinv_get_invoice( $invoice_id );
-
-		// Ensure that it exists and that it is pending payment.
-		if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
-			return $content;
-		}
-
-		// Can the user view this invoice??
-		if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
-			return $content;
-		}
-
-		// Show payment processing indicator.
-		return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
-	}
-
-	/**
-	 * Processes ipns and marks payments as complete.
-	 *
-	 * @return void
-	 */
-	public function verify_ipn() {}
-
-	/**
-	 * Processes invoice addons.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Form_Item[] $items
-	 * @return WPInv_Invoice
-	 */
-	public function process_addons( $invoice, $items ) {
-
-	}
-
-	/**
-	 * Get a link to the transaction on the 3rd party gateway site (if applicable).
-	 *
-	 * @param string $transaction_url transaction url.
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 * @return string transaction URL, or empty string.
-	 */
-	public function filter_transaction_url( $transaction_url, $invoice ) {
-
-		$transaction_id  = $invoice->get_transaction_id();
-
-		if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
-			$transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
-			$replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
-			$transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
-		}
-
-		return $transaction_url;
-	}
-
-	/**
-	 * Get a link to the subscription on the 3rd party gateway site (if applicable).
-	 *
-	 * @param string $subscription_url transaction url.
-	 * @param WPInv_Subscription $subscription Subscription objectt.
-	 * @return string subscription URL, or empty string.
-	 */
-	public function generate_subscription_url( $subscription_url, $subscription ) {
-
-		$profile_id      = $subscription->get_profile_id();
-
-		if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
-
-			$subscription_url = sprintf( $this->view_subscription_url, $profile_id );
-			$replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
-			$subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
-
-		}
-
-		return $subscription_url;
-	}
-
-	/**
-	 * Check if the gateway is available for use.
-	 *
-	 * @return bool
-	 */
-	public function is_available() {
-		return ! empty( $this->enabled );
-	}
-
-	/**
-	 * Return the gateway's title.
-	 *
-	 * @return string
-	 */
-	public function get_title() {
-		return apply_filters( 'getpaid_gateway_title', $this->title, $this );
-	}
-
-	/**
-	 * Return the gateway's description.
-	 *
-	 * @return string
-	 */
-	public function get_description() {
-		return apply_filters( 'getpaid_gateway_description', $this->description, $this );
-	}
-
-	/**
-	 * Process Payment.
-	 *
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param array $submission_data Posted checkout fields.
-	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
-	 * @return void
-	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
-		// Process the payment then either redirect to the success page or the gateway.
-		do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
-	}
-
-	/**
-	 * Process refund.
-	 *
-	 * If the gateway declares 'refunds' support, this will allow it to refund.
-	 * a passed in amount.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param  float  $amount Refund amount.
-	 * @param  string $reason Refund reason.
-	 * @return WP_Error|bool True or false based on success, or a WP_Error object.
-	 */
-	public function process_refund( $invoice, $amount = null, $reason = '' ) {
-		return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
-	}
-
-	/**
-	 * Displays the payment fields, credit cards etc.
-	 * 
-	 * @param int $invoice_id 0 or invoice id.
-	 * @param GetPaid_Payment_Form $form Current payment form.
-	 */
-	public function payment_fields( $invoice_id, $form ) {
-		do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
-	}
-
-	/**
-	 * Filters the gateway settings.
-	 * 
-	 * @param array $admin_settings
-	 */
-	public function admin_settings( $admin_settings ) {
-		return $admin_settings;
-	}
-
-	/**
-	 * Retrieves the value of a gateway setting.
-	 * 
-	 * @param string $option
-	 */
-	public function get_option( $option, $default = false ) {
-		return wpinv_get_option( $this->id . '_' . $option, $default );
-	}
-
-	/**
-	 * Check if a gateway supports a given feature.
-	 *
-	 * Gateways should override this to declare support (or lack of support) for a feature.
-	 * For backward compatibility, gateways support 'products' by default, but nothing else.
-	 *
-	 * @param string $feature string The name of a feature to test support for.
-	 * @return bool True if the gateway supports the feature, false otherwise.
-	 * @since 1.0.19
-	 */
-	public function supports( $feature ) {
-		return getpaid_payment_gateway_supports( $this->id, $feature );
-	}
-
-	/**
-	 * Returns the credit card form html.
-	 * 
-	 * @param bool $save whether or not to display the save button.
-	 */
+        // Gateway checkout fiellds.
+        add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
+
+        // Process payment.
+        add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
+
+        // Change the checkout button text.
+        if ( ! empty( $this->checkout_button_text ) ) {
+            add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
+        }
+
+        // Check if a gateway is valid for a given currency.
+        add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
+
+        // Generate the transaction url.
+        add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
+
+        // Generate the subscription url.
+        add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
+
+        // Confirm payments.
+        add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
+
+        // Verify IPNs.
+        add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
+
+    }
+
+    /**
+     * Checks if this gateway is a given gateway.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is( $gateway ) {
+        return $gateway == $this->id;
+    }
+
+    /**
+     * Returns a users saved tokens for this gateway.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_tokens( $sandbox = null ) {
+
+        if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
+            $tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
+
+            if ( is_array( $tokens ) ) {
+                $this->tokens = $tokens;
+            }
+
+        }
+
+        if ( ! is_bool( $sandbox ) ) {
+            return $this->tokens;
+        }
+
+        // Filter tokens.
+        $args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
+        return wp_list_filter( $this->tokens, $args );
+
+    }
+
+    /**
+     * Saves a token for this gateway.
+     *
+     * @since 1.0.19
+     */
+    public function save_token( $token ) {
+
+        $tokens   = $this->get_tokens();
+        $tokens[] = $token;
+
+        update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
+
+        $this->tokens = $tokens;
+
+    }
+
+    /**
+     * Return the title for admin screens.
+     *
+     * @return string
+     */
+    public function get_method_title() {
+        return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
+    }
+
+    /**
+     * Return the description for admin screens.
+     *
+     * @return string
+     */
+    public function get_method_description() {
+        return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
+    }
+
+    /**
+     * Get the success url.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     * @return string
+     */
+    public function get_return_url( $invoice ) {
+
+        // Payment success url
+        $return_url = add_query_arg(
+            array(
+                'payment-confirm' => $this->id,
+                'invoice_key'     => $invoice->get_key(),
+                'utm_nooverride'  => 1
+            ),
+            wpinv_get_success_page_uri()
+        );
+
+        return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
+    }
+
+    /**
+     * Confirms payments when rendering the success page.
+     *
+     * @param string $content Success page content.
+     * @return string
+     */
+    public function confirm_payment( $content ) {
+
+        // Retrieve the invoice.
+        $invoice_id = getpaid_get_current_invoice_id();
+        $invoice    = wpinv_get_invoice( $invoice_id );
+
+        // Ensure that it exists and that it is pending payment.
+        if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
+            return $content;
+        }
+
+        // Can the user view this invoice??
+        if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
+            return $content;
+        }
+
+        // Show payment processing indicator.
+        return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
+    }
+
+    /**
+     * Processes ipns and marks payments as complete.
+     *
+     * @return void
+     */
+    public function verify_ipn() {}
+
+    /**
+     * Processes invoice addons.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Form_Item[] $items
+     * @return WPInv_Invoice
+     */
+    public function process_addons( $invoice, $items ) {
+
+    }
+
+    /**
+     * Get a link to the transaction on the 3rd party gateway site (if applicable).
+     *
+     * @param string $transaction_url transaction url.
+     * @param WPInv_Invoice $invoice Invoice object.
+     * @return string transaction URL, or empty string.
+     */
+    public function filter_transaction_url( $transaction_url, $invoice ) {
+
+        $transaction_id  = $invoice->get_transaction_id();
+
+        if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
+            $transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
+            $replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
+            $transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
+        }
+
+        return $transaction_url;
+    }
+
+    /**
+     * Get a link to the subscription on the 3rd party gateway site (if applicable).
+     *
+     * @param string $subscription_url transaction url.
+     * @param WPInv_Subscription $subscription Subscription objectt.
+     * @return string subscription URL, or empty string.
+     */
+    public function generate_subscription_url( $subscription_url, $subscription ) {
+
+        $profile_id      = $subscription->get_profile_id();
+
+        if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
+
+            $subscription_url = sprintf( $this->view_subscription_url, $profile_id );
+            $replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
+            $subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
+
+        }
+
+        return $subscription_url;
+    }
+
+    /**
+     * Check if the gateway is available for use.
+     *
+     * @return bool
+     */
+    public function is_available() {
+        return ! empty( $this->enabled );
+    }
+
+    /**
+     * Return the gateway's title.
+     *
+     * @return string
+     */
+    public function get_title() {
+        return apply_filters( 'getpaid_gateway_title', $this->title, $this );
+    }
+
+    /**
+     * Return the gateway's description.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return apply_filters( 'getpaid_gateway_description', $this->description, $this );
+    }
+
+    /**
+     * Process Payment.
+     *
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param array $submission_data Posted checkout fields.
+     * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
+     * @return void
+     */
+    public function process_payment( $invoice, $submission_data, $submission ) {
+        // Process the payment then either redirect to the success page or the gateway.
+        do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
+    }
+
+    /**
+     * Process refund.
+     *
+     * If the gateway declares 'refunds' support, this will allow it to refund.
+     * a passed in amount.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param  float  $amount Refund amount.
+     * @param  string $reason Refund reason.
+     * @return WP_Error|bool True or false based on success, or a WP_Error object.
+     */
+    public function process_refund( $invoice, $amount = null, $reason = '' ) {
+        return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
+    }
+
+    /**
+     * Displays the payment fields, credit cards etc.
+     * 
+     * @param int $invoice_id 0 or invoice id.
+     * @param GetPaid_Payment_Form $form Current payment form.
+     */
+    public function payment_fields( $invoice_id, $form ) {
+        do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
+    }
+
+    /**
+     * Filters the gateway settings.
+     * 
+     * @param array $admin_settings
+     */
+    public function admin_settings( $admin_settings ) {
+        return $admin_settings;
+    }
+
+    /**
+     * Retrieves the value of a gateway setting.
+     * 
+     * @param string $option
+     */
+    public function get_option( $option, $default = false ) {
+        return wpinv_get_option( $this->id . '_' . $option, $default );
+    }
+
+    /**
+     * Check if a gateway supports a given feature.
+     *
+     * Gateways should override this to declare support (or lack of support) for a feature.
+     * For backward compatibility, gateways support 'products' by default, but nothing else.
+     *
+     * @param string $feature string The name of a feature to test support for.
+     * @return bool True if the gateway supports the feature, false otherwise.
+     * @since 1.0.19
+     */
+    public function supports( $feature ) {
+        return getpaid_payment_gateway_supports( $this->id, $feature );
+    }
+
+    /**
+     * Returns the credit card form html.
+     * 
+     * @param bool $save whether or not to display the save button.
+     */
     public function get_cc_form( $save = false ) {
 
-		ob_start();
+        ob_start();
 
         $id_prefix = esc_attr( uniqid( $this->id ) );
 
@@ -563,11 +563,11 @@ 
                                         'name'              => $this->id . '[cc_cvv2]',
                                         'id'                => "$id_prefix-cc-cvv2",
                                         'label'             => __( 'CCV', 'invoicing' ),
-										'label_type'        => 'vertical',
-										'class'             => 'form-control-sm',
-										'extra_attributes'  => array(
-											'autocomplete'  => "cc-csc",
-										),
+                                        'label_type'        => 'vertical',
+                                        'class'             => 'form-control-sm',
+                                        'extra_attributes'  => array(
+                                            'autocomplete'  => "cc-csc",
+                                        ),
                                     )
                                 );
                             ?>
@@ -577,192 +577,192 @@ 
 					
 					<?php
 
-						if ( $save ) {
-							echo $this->save_payment_method_checkbox();
-						}
+                        if ( $save ) {
+                            echo $this->save_payment_method_checkbox();
+                        }
 
-					?>
+                    ?>
                 </div>
 
             </div>
 		<?php
 		
-		return ob_get_clean();
+        return ob_get_clean();
+
+    }
 
+    /**
+     * Displays a new payment method entry form.
+     *
+     * @since 1.0.19
+     */
+    public function new_payment_method_entry( $form ) {
+        echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
     }
 
-	/**
-	 * Displays a new payment method entry form.
-	 *
-	 * @since 1.0.19
-	 */
-	public function new_payment_method_entry( $form ) {
-		echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
-	}
-
-	/**
-	 * Grab and display our saved payment methods.
-	 *
-	 * @since 1.0.19
-	 */
-	public function saved_payment_methods() {
-		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
-
-		foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
-			$html .= $this->get_saved_payment_method_option_html( $token );
-		}
-
-		$html .= $this->get_new_payment_method_option_html();
-		$html .= '</ul>';
-
-		echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
-	}
-
-	/**
-	 * Gets saved payment method HTML from a token.
-	 *
-	 * @since 1.0.19
-	 * @param  array $token Payment Token.
-	 * @return string Generated payment method HTML
-	 */
-	public function get_saved_payment_method_option_html( $token ) {
-
-		return sprintf(
-			'<li class="getpaid-payment-method form-group">
+    /**
+     * Grab and display our saved payment methods.
+     *
+     * @since 1.0.19
+     */
+    public function saved_payment_methods() {
+        $html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
+
+        foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
+            $html .= $this->get_saved_payment_method_option_html( $token );
+        }
+
+        $html .= $this->get_new_payment_method_option_html();
+        $html .= '</ul>';
+
+        echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
+    }
+
+    /**
+     * Gets saved payment method HTML from a token.
+     *
+     * @since 1.0.19
+     * @param  array $token Payment Token.
+     * @return string Generated payment method HTML
+     */
+    public function get_saved_payment_method_option_html( $token ) {
+
+        return sprintf(
+            '<li class="getpaid-payment-method form-group">
 				<label>
 					<input name="getpaid-%1$s-payment-method" type="radio" value="%2$s" data-currency="%5$s" style="width:auto;" class="getpaid-saved-payment-method-token-input" %4$s />
 					<span>%3$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_attr( $token['id'] ),
-			esc_html( $token['name'] ),
-			checked( empty( $token['default'] ), false, false ),
-			empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
-		);
-
-	}
-
-	/**
-	 * Displays a radio button for entering a new payment method (new CC details) instead of using a saved method.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_new_payment_method_option_html() {
-
-		$label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
-
-		return sprintf(
-			'<li class="getpaid-new-payment-method">
+            esc_attr( $this->id ),
+            esc_attr( $token['id'] ),
+            esc_html( $token['name'] ),
+            checked( empty( $token['default'] ), false, false ),
+            empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
+        );
+
+    }
+
+    /**
+     * Displays a radio button for entering a new payment method (new CC details) instead of using a saved method.
+     *
+     * @since 1.0.19
+     */
+    public function get_new_payment_method_option_html() {
+
+        $label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
+
+        return sprintf(
+            '<li class="getpaid-new-payment-method">
 				<label>
 					<input name="getpaid-%1$s-payment-method" type="radio" data-currency="none" value="new" style="width:auto;" />
 					<span>%2$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_html( $label )
-		);
-
-	}
-
-	/**
-	 * Outputs a checkbox for saving a new payment method to the database.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_payment_method_checkbox() {
-
-		return aui()->input(
-			array(
-				'type'       => 'checkbox',
-				'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
-				'id'         => esc_attr( uniqid( $this->id ) ),
-				'required'   => false,
-				'label'      => esc_html__( 'Save payment method', 'invoicing' ),
-				'value'      => 'true',
-				'checked'    => true,
-				'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
-			)
-		);
-
-	}
-
-	/**
-	 * Registers the gateway.
-	 *
-	 * @return array
-	 */
-	public function register_gateway( $gateways ) {
-
-		$gateways[ $this->id ] = array(
-
-			'admin_label'    => $this->method_title,
+            esc_attr( $this->id ),
+            esc_html( $label )
+        );
+
+    }
+
+    /**
+     * Outputs a checkbox for saving a new payment method to the database.
+     *
+     * @since 1.0.19
+     */
+    public function save_payment_method_checkbox() {
+
+        return aui()->input(
+            array(
+                'type'       => 'checkbox',
+                'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
+                'id'         => esc_attr( uniqid( $this->id ) ),
+                'required'   => false,
+                'label'      => esc_html__( 'Save payment method', 'invoicing' ),
+                'value'      => 'true',
+                'checked'    => true,
+                'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
+            )
+        );
+
+    }
+
+    /**
+     * Registers the gateway.
+     *
+     * @return array
+     */
+    public function register_gateway( $gateways ) {
+
+        $gateways[ $this->id ] = array(
+
+            'admin_label'    => $this->method_title,
             'checkout_label' => $this->title,
-			'ordering'       => $this->order,
+            'ordering'       => $this->order,
 
-		);
+        );
 
-		return $gateways;
+        return $gateways;
 
-	}
+    }
 
-	/**
-	 * Checks whether or not this is a sandbox request.
-	 *
-	 * @param  WPInv_Invoice|null $invoice Invoice object or null.
-	 * @return bool
-	 */
-	public function is_sandbox( $invoice = null ) {
+    /**
+     * Checks whether or not this is a sandbox request.
+     *
+     * @param  WPInv_Invoice|null $invoice Invoice object or null.
+     * @return bool
+     */
+    public function is_sandbox( $invoice = null ) {
 
-		if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
-			return $invoice->get_mode() == 'test';
-		}
+        if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
+            return $invoice->get_mode() == 'test';
+        }
 
-		return wpinv_is_test_mode( $this->id );
+        return wpinv_is_test_mode( $this->id );
 
-	}
+    }
 
-	/**
-	 * Renames the checkout button
-	 *
-	 * @return string
-	 */
-	public function rename_checkout_button() {
-		return $this->checkout_button_text;
-	}
+    /**
+     * Renames the checkout button
+     *
+     * @return string
+     */
+    public function rename_checkout_button() {
+        return $this->checkout_button_text;
+    }
 
-	/**
-	 * Validate gateway currency
-	 *
-	 * @return bool
-	 */
-	public function validate_currency( $validation, $currency ) {
+    /**
+     * Validate gateway currency
+     *
+     * @return bool
+     */
+    public function validate_currency( $validation, $currency ) {
 
-		// Required currencies.
-		if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
-			return false;
-		}
+        // Required currencies.
+        if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
+            return false;
+        }
 
-		// Excluded currencies.
-		if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
-			return false;
-		}
+        // Excluded currencies.
+        if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
+            return false;
+        }
 
-		return $validation;
-	}
+        return $validation;
+    }
 
-	/**
-	 * Displays an error
-	 *
-	 */
-	public function show_error( $code, $message, $type ) {
+    /**
+     * Displays an error
+     *
+     */
+    public function show_error( $code, $message, $type ) {
 
-		if ( is_admin() ) {
-			getpaid_admin()->{"show_$type"}( $message );
-		}
+        if ( is_admin() ) {
+            getpaid_admin()->{"show_$type"}( $message );
+        }
 
-		wpinv_set_error( $code, $message, $type );
+        wpinv_set_error( $code, $message, $type );
 
-	}
+    }
 
 }

Spacing +125 added lines, -125 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Abstaract Payment Gateway class.
@@ -139,49 +139,49 @@ 
 	public function __construct() {
 
 		// Register gateway.
-		add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
+		add_filter('wpinv_payment_gateways', array($this, 'register_gateway'));
 
-		$this->enabled = wpinv_is_gateway_active( $this->id );
+		$this->enabled = wpinv_is_gateway_active($this->id);
 
 		// Add support for various features.
-		foreach ( $this->supports as $feature ) {
-			add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
+		foreach ($this->supports as $feature) {
+			add_filter("getpaid_{$this->id}_supports_{$feature}", '__return_true');
 		}
 
 		// Invoice addons.
-		if ( $this->supports( 'addons' ) ) {
-			add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
+		if ($this->supports('addons')) {
+			add_action("getpaid_process_{$this->id}_invoice_addons", array($this, 'process_addons'), 10, 2);
 		}
 
 		// Gateway settings.
-		add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
+		add_filter("wpinv_gateway_settings_{$this->id}", array($this, 'admin_settings'));
 		
 
 		// Gateway checkout fiellds.
-		add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
+		add_action("wpinv_{$this->id}_cc_form", array($this, 'payment_fields'), 10, 2);
 
 		// Process payment.
-		add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
+		add_action("getpaid_gateway_{$this->id}", array($this, 'process_payment'), 10, 3);
 
 		// Change the checkout button text.
-		if ( ! empty( $this->checkout_button_text ) ) {
-			add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
+		if (!empty($this->checkout_button_text)) {
+			add_filter("getpaid_gateway_{$this->id}_checkout_button_label", array($this, 'rename_checkout_button'));
 		}
 
 		// Check if a gateway is valid for a given currency.
-		add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
+		add_filter("getpaid_gateway_{$this->id}_is_valid_for_currency", array($this, 'validate_currency'), 10, 2);
 
 		// Generate the transaction url.
-		add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
+		add_filter("getpaid_gateway_{$this->id}_transaction_url", array($this, 'filter_transaction_url'), 10, 2);
 
 		// Generate the subscription url.
-		add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
+		add_filter('getpaid_remote_subscription_profile_url', array($this, 'generate_subscription_url'), 10, 2);
 
 		// Confirm payments.
-		add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
+		add_filter("wpinv_payment_confirm_{$this->id}", array($this, 'confirm_payment'), 10, 2);
 
 		// Verify IPNs.
-		add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
+		add_action("wpinv_verify_{$this->id}_ipn", array($this, 'verify_ipn'));
 
 	}
 
@@ -191,7 +191,7 @@ 
 	 * @since 1.0.19
 	 * @return bool
 	 */
-	public function is( $gateway ) {
+	public function is($gateway) {
 		return $gateway == $this->id;
 	}
 
@@ -201,24 +201,24 @@ 
 	 * @since 1.0.19
 	 * @return array
 	 */
-	public function get_tokens( $sandbox = null ) {
+	public function get_tokens($sandbox = null) {
 
-		if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
-			$tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
+		if (is_user_logged_in() && $this->supports('tokens') && 0 == count($this->tokens)) {
+			$tokens = get_user_meta(get_current_user_id(), "getpaid_{$this->id}_tokens", true);
 
-			if ( is_array( $tokens ) ) {
+			if (is_array($tokens)) {
 				$this->tokens = $tokens;
 			}
 
 		}
 
-		if ( ! is_bool( $sandbox ) ) {
+		if (!is_bool($sandbox)) {
 			return $this->tokens;
 		}
 
 		// Filter tokens.
-		$args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
-		return wp_list_filter( $this->tokens, $args );
+		$args = array('type' => $sandbox ? 'sandbox' : 'live');
+		return wp_list_filter($this->tokens, $args);
 
 	}
 
@@ -227,12 +227,12 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function save_token( $token ) {
+	public function save_token($token) {
 
 		$tokens   = $this->get_tokens();
 		$tokens[] = $token;
 
-		update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
+		update_user_meta(get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens);
 
 		$this->tokens = $tokens;
 
@@ -244,7 +244,7 @@ 
 	 * @return string
 	 */
 	public function get_method_title() {
-		return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
+		return apply_filters('getpaid_gateway_method_title', $this->method_title, $this);
 	}
 
 	/**
@@ -253,7 +253,7 @@ 
 	 * @return string
 	 */
 	public function get_method_description() {
-		return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
+		return apply_filters('getpaid_gateway_method_description', $this->method_description, $this);
 	}
 
 	/**
@@ -262,7 +262,7 @@ 
 	 * @param WPInv_Invoice $invoice Invoice object.
 	 * @return string
 	 */
-	public function get_return_url( $invoice ) {
+	public function get_return_url($invoice) {
 
 		// Payment success url
 		$return_url = add_query_arg(
@@ -274,7 +274,7 @@ 
 			wpinv_get_success_page_uri()
 		);
 
-		return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
+		return apply_filters('getpaid_gateway_success_url', $return_url, $invoice, $this);
 	}
 
 	/**
@@ -283,24 +283,24 @@ 
 	 * @param string $content Success page content.
 	 * @return string
 	 */
-	public function confirm_payment( $content ) {
+	public function confirm_payment($content) {
 
 		// Retrieve the invoice.
 		$invoice_id = getpaid_get_current_invoice_id();
-		$invoice    = wpinv_get_invoice( $invoice_id );
+		$invoice    = wpinv_get_invoice($invoice_id);
 
 		// Ensure that it exists and that it is pending payment.
-		if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
+		if (empty($invoice_id) || !$invoice->needs_payment()) {
 			return $content;
 		}
 
 		// Can the user view this invoice??
-		if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
+		if (!wpinv_user_can_view_invoice($invoice)) {
 			return $content;
 		}
 
 		// Show payment processing indicator.
-		return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
+		return wpinv_get_template_html('wpinv-payment-processing.php', compact('invoice'));
 	}
 
 	/**
@@ -317,7 +317,7 @@ 
 	 * @param GetPaid_Form_Item[] $items
 	 * @return WPInv_Invoice
 	 */
-	public function process_addons( $invoice, $items ) {
+	public function process_addons($invoice, $items) {
 
 	}
 
@@ -328,14 +328,14 @@ 
 	 * @param WPInv_Invoice $invoice Invoice object.
 	 * @return string transaction URL, or empty string.
 	 */
-	public function filter_transaction_url( $transaction_url, $invoice ) {
+	public function filter_transaction_url($transaction_url, $invoice) {
 
-		$transaction_id  = $invoice->get_transaction_id();
+		$transaction_id = $invoice->get_transaction_id();
 
-		if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
-			$transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
-			$replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
-			$transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
+		if (!empty($this->view_transaction_url) && !empty($transaction_id)) {
+			$transaction_url = sprintf($this->view_transaction_url, $transaction_id);
+			$replace         = $this->is_sandbox($invoice) ? 'sandbox' : '';
+			$transaction_url = str_replace('{sandbox}', $replace, $transaction_url);
 		}
 
 		return $transaction_url;
@@ -348,15 +348,15 @@ 
 	 * @param WPInv_Subscription $subscription Subscription objectt.
 	 * @return string subscription URL, or empty string.
 	 */
-	public function generate_subscription_url( $subscription_url, $subscription ) {
+	public function generate_subscription_url($subscription_url, $subscription) {
 
-		$profile_id      = $subscription->get_profile_id();
+		$profile_id = $subscription->get_profile_id();
 
-		if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
+		if ($this->id == $subscription->get_gateway() && !empty($this->view_subscription_url) && !empty($profile_id)) {
 
-			$subscription_url = sprintf( $this->view_subscription_url, $profile_id );
-			$replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
-			$subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
+			$subscription_url = sprintf($this->view_subscription_url, $profile_id);
+			$replace          = $this->is_sandbox($subscription->get_parent_invoice()) ? 'sandbox' : '';
+			$subscription_url = str_replace('{sandbox}', $replace, $subscription_url);
 
 		}
 
@@ -369,7 +369,7 @@ 
 	 * @return bool
 	 */
 	public function is_available() {
-		return ! empty( $this->enabled );
+		return !empty($this->enabled);
 	}
 
 	/**
@@ -378,7 +378,7 @@ 
 	 * @return string
 	 */
 	public function get_title() {
-		return apply_filters( 'getpaid_gateway_title', $this->title, $this );
+		return apply_filters('getpaid_gateway_title', $this->title, $this);
 	}
 
 	/**
@@ -387,7 +387,7 @@ 
 	 * @return string
 	 */
 	public function get_description() {
-		return apply_filters( 'getpaid_gateway_description', $this->description, $this );
+		return apply_filters('getpaid_gateway_description', $this->description, $this);
 	}
 
 	/**
@@ -399,9 +399,9 @@ 
 	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
 	 * @return void
 	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+	public function process_payment($invoice, $submission_data, $submission) {
 		// Process the payment then either redirect to the success page or the gateway.
-		do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
+		do_action('getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission);
 	}
 
 	/**
@@ -415,8 +415,8 @@ 
 	 * @param  string $reason Refund reason.
 	 * @return WP_Error|bool True or false based on success, or a WP_Error object.
 	 */
-	public function process_refund( $invoice, $amount = null, $reason = '' ) {
-		return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
+	public function process_refund($invoice, $amount = null, $reason = '') {
+		return apply_filters('getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason);
 	}
 
 	/**
@@ -425,8 +425,8 @@ 
 	 * @param int $invoice_id 0 or invoice id.
 	 * @param GetPaid_Payment_Form $form Current payment form.
 	 */
-	public function payment_fields( $invoice_id, $form ) {
-		do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
+	public function payment_fields($invoice_id, $form) {
+		do_action('getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form);
 	}
 
 	/**
@@ -434,7 +434,7 @@ 
 	 * 
 	 * @param array $admin_settings
 	 */
-	public function admin_settings( $admin_settings ) {
+	public function admin_settings($admin_settings) {
 		return $admin_settings;
 	}
 
@@ -443,8 +443,8 @@ 
 	 * 
 	 * @param string $option
 	 */
-	public function get_option( $option, $default = false ) {
-		return wpinv_get_option( $this->id . '_' . $option, $default );
+	public function get_option($option, $default = false) {
+		return wpinv_get_option($this->id . '_' . $option, $default);
 	}
 
 	/**
@@ -457,8 +457,8 @@ 
 	 * @return bool True if the gateway supports the feature, false otherwise.
 	 * @since 1.0.19
 	 */
-	public function supports( $feature ) {
-		return getpaid_payment_gateway_supports( $this->id, $feature );
+	public function supports($feature) {
+		return getpaid_payment_gateway_supports($this->id, $feature);
 	}
 
 	/**
@@ -466,36 +466,36 @@ 
 	 * 
 	 * @param bool $save whether or not to display the save button.
 	 */
-    public function get_cc_form( $save = false ) {
+    public function get_cc_form($save = false) {
 
 		ob_start();
 
-        $id_prefix = esc_attr( uniqid( $this->id ) );
+        $id_prefix = esc_attr(uniqid($this->id));
 
         $months = array(
-            '01' => __( 'January', 'invoicing' ),
-            '02' => __( 'February', 'invoicing' ),
-            '03' => __( 'March', 'invoicing' ),
-            '04' => __( 'April', 'invoicing' ),
-            '05' => __( 'May', 'invoicing' ),
-            '06' => __( 'June', 'invoicing' ),
-            '07' => __( 'July', 'invoicing' ),
-            '08' => __( 'August', 'invoicing' ),
-            '09' => __( 'September', 'invoicing' ),
-            '10' => __( 'October', 'invoicing' ),
-            '11' => __( 'November', 'invoicing' ),
-            '12' => __( 'December', 'invoicing' ),
+            '01' => __('January', 'invoicing'),
+            '02' => __('February', 'invoicing'),
+            '03' => __('March', 'invoicing'),
+            '04' => __('April', 'invoicing'),
+            '05' => __('May', 'invoicing'),
+            '06' => __('June', 'invoicing'),
+            '07' => __('July', 'invoicing'),
+            '08' => __('August', 'invoicing'),
+            '09' => __('September', 'invoicing'),
+            '10' => __('October', 'invoicing'),
+            '11' => __('November', 'invoicing'),
+            '12' => __('December', 'invoicing'),
         );
 
-        $year  = (int) date( 'Y', current_time( 'timestamp' ) );
+        $year  = (int) date('Y', current_time('timestamp'));
         $years = array();
 
-        for ( $i = 0; $i <= 10; $i++ ) {
-            $years[ $year + $i ] = $year + $i;
+        for ($i = 0; $i <= 10; $i++) {
+            $years[$year + $i] = $year + $i;
         }
 
         ?>
-            <div class="<?php echo esc_attr( $this->id );?>-cc-form getpaid-cc-form mt-1">
+            <div class="<?php echo esc_attr($this->id); ?>-cc-form getpaid-cc-form mt-1">
 
 
                 <div class="getpaid-cc-card-inner">
@@ -504,14 +504,14 @@ 
                         <div class="col-12">
 
 							<div class="form-group">
-								<label for="<?php echo esc_attr( "$id_prefix-cc-number" ) ?>"><?php _e( 'Card number', 'invoicing' ); ?></label>
+								<label for="<?php echo esc_attr("$id_prefix-cc-number") ?>"><?php _e('Card number', 'invoicing'); ?></label>
 								<div class="input-group input-group-sm">
 									<div class="input-group-prepend ">
 										<span class="input-group-text">
 											<i class="fa fa-credit-card"></i>
 										</span>
 									</div>
-									<input type="text" name="<?php echo esc_attr( $this->id . '[cc_number]' ) ?>authorizenet[cc_number]" id="<?php echo esc_attr( "$id_prefix-cc-number" ) ?>" class="form-control form-control-sm" autocomplete="cc-number">
+									<input type="text" name="<?php echo esc_attr($this->id . '[cc_number]') ?>authorizenet[cc_number]" id="<?php echo esc_attr("$id_prefix-cc-number") ?>" class="form-control form-control-sm" autocomplete="cc-number">
 								</div>
 							</div>
 
@@ -519,17 +519,17 @@ 
 
                         <div class="col-12">
                             <div class="form-group">
-                                <label><?php _e( 'Expiration', 'invoicing' ); ?></label>
+                                <label><?php _e('Expiration', 'invoicing'); ?></label>
                                 <div class="form-row">
 
                                     <div class="col">
-                                        <select class="form-control form-control-sm" autocomplete="cc-exp-month" name="<?php echo esc_attr( $this->id );?>[cc_expire_month]">
-                                            <option disabled selected="selected"><?php _e( 'MM', 'invoicing' ); ?></option>
+                                        <select class="form-control form-control-sm" autocomplete="cc-exp-month" name="<?php echo esc_attr($this->id); ?>[cc_expire_month]">
+                                            <option disabled selected="selected"><?php _e('MM', 'invoicing'); ?></option>
 
                                             <?php
-                                                foreach ( $months as $key => $month ) {
-                                                    $key   = esc_attr( $key );
-                                                    $month = wpinv_clean( $month );
+                                                foreach ($months as $key => $month) {
+                                                    $key   = esc_attr($key);
+                                                    $month = wpinv_clean($month);
                                                     echo "<option value='$key'>$month</option>" . PHP_EOL;
                                                 }
                                             ?>
@@ -538,13 +538,13 @@ 
                                     </div>
 
                                     <div class="col">
-                                        <select class="form-control form-control-sm" autocomplete="cc-exp-year" name="<?php echo esc_attr( $this->id );?>[cc_expire_year]">
-                                            <option disabled selected="selected"><?php _e( 'YY', 'invoicing' ); ?></option>
+                                        <select class="form-control form-control-sm" autocomplete="cc-exp-year" name="<?php echo esc_attr($this->id); ?>[cc_expire_year]">
+                                            <option disabled selected="selected"><?php _e('YY', 'invoicing'); ?></option>
 
                                             <?php
-                                                foreach ( $years as $key => $year ) {
-                                                    $key   = esc_attr( $key );
-                                                    $year  = wpinv_clean( $year );
+                                                foreach ($years as $key => $year) {
+                                                    $key   = esc_attr($key);
+                                                    $year  = wpinv_clean($year);
                                                     echo "<option value='$key'>$year</option>" . PHP_EOL;
                                                 }
                                             ?>
@@ -562,7 +562,7 @@ 
                                     array(
                                         'name'              => $this->id . '[cc_cvv2]',
                                         'id'                => "$id_prefix-cc-cvv2",
-                                        'label'             => __( 'CCV', 'invoicing' ),
+                                        'label'             => __('CCV', 'invoicing'),
 										'label_type'        => 'vertical',
 										'class'             => 'form-control-sm',
 										'extra_attributes'  => array(
@@ -577,7 +577,7 @@ 
 					
 					<?php
 
-						if ( $save ) {
+						if ($save) {
 							echo $this->save_payment_method_checkbox();
 						}
 
@@ -596,7 +596,7 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function new_payment_method_entry( $form ) {
+	public function new_payment_method_entry($form) {
 		echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
 	}
 
@@ -606,16 +606,16 @@ 
 	 * @since 1.0.19
 	 */
 	public function saved_payment_methods() {
-		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
+		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr(count($this->get_tokens($this->is_sandbox()))) . '">';
 
-		foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
-			$html .= $this->get_saved_payment_method_option_html( $token );
+		foreach ($this->get_tokens($this->is_sandbox()) as $token) {
+			$html .= $this->get_saved_payment_method_option_html($token);
 		}
 
 		$html .= $this->get_new_payment_method_option_html();
 		$html .= '</ul>';
 
-		echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
+		echo apply_filters('getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this);
 	}
 
 	/**
@@ -625,7 +625,7 @@ 
 	 * @param  array $token Payment Token.
 	 * @return string Generated payment method HTML
 	 */
-	public function get_saved_payment_method_option_html( $token ) {
+	public function get_saved_payment_method_option_html($token) {
 
 		return sprintf(
 			'<li class="getpaid-payment-method form-group">
@@ -634,11 +634,11 @@ 
 					<span>%3$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_attr( $token['id'] ),
-			esc_html( $token['name'] ),
-			checked( empty( $token['default'] ), false, false ),
-			empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
+			esc_attr($this->id),
+			esc_attr($token['id']),
+			esc_html($token['name']),
+			checked(empty($token['default']), false, false),
+			empty($token['currency']) ? 'none' : esc_attr($token['currency'])
 		);
 
 	}
@@ -650,7 +650,7 @@ 
 	 */
 	public function get_new_payment_method_option_html() {
 
-		$label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
+		$label = apply_filters('getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __('Use a new payment method', 'invoicing'), $this);
 
 		return sprintf(
 			'<li class="getpaid-new-payment-method">
@@ -659,8 +659,8 @@ 
 					<span>%2$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_html( $label )
+			esc_attr($this->id),
+			esc_html($label)
 		);
 
 	}
@@ -675,10 +675,10 @@ 
 		return aui()->input(
 			array(
 				'type'       => 'checkbox',
-				'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
-				'id'         => esc_attr( uniqid( $this->id ) ),
+				'name'       => esc_attr("getpaid-$this->id-new-payment-method"),
+				'id'         => esc_attr(uniqid($this->id)),
 				'required'   => false,
-				'label'      => esc_html__( 'Save payment method', 'invoicing' ),
+				'label'      => esc_html__('Save payment method', 'invoicing'),
 				'value'      => 'true',
 				'checked'    => true,
 				'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
@@ -692,9 +692,9 @@ 
 	 *
 	 * @return array
 	 */
-	public function register_gateway( $gateways ) {
+	public function register_gateway($gateways) {
 
-		$gateways[ $this->id ] = array(
+		$gateways[$this->id] = array(
 
 			'admin_label'    => $this->method_title,
             'checkout_label' => $this->title,
@@ -712,13 +712,13 @@ 
 	 * @param  WPInv_Invoice|null $invoice Invoice object or null.
 	 * @return bool
 	 */
-	public function is_sandbox( $invoice = null ) {
+	public function is_sandbox($invoice = null) {
 
-		if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
+		if (!empty($invoice) && !$invoice->needs_payment()) {
 			return $invoice->get_mode() == 'test';
 		}
 
-		return wpinv_is_test_mode( $this->id );
+		return wpinv_is_test_mode($this->id);
 
 	}
 
@@ -736,15 +736,15 @@ 
 	 *
 	 * @return bool
 	 */
-	public function validate_currency( $validation, $currency ) {
+	public function validate_currency($validation, $currency) {
 
 		// Required currencies.
-		if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
+		if (!empty($this->currencies) && !in_array($currency, $this->currencies)) {
 			return false;
 		}
 
 		// Excluded currencies.
-		if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
+		if (!empty($this->exclude_currencies) && in_array($currency, $this->exclude_currencies)) {
 			return false;
 		}
 
@@ -755,13 +755,13 @@ 
 	 * Displays an error
 	 *
 	 */
-	public function show_error( $code, $message, $type ) {
+	public function show_error($code, $message, $type) {
 
-		if ( is_admin() ) {
-			getpaid_admin()->{"show_$type"}( $message );
+		if (is_admin()) {
+			getpaid_admin()->{"show_$type"}($message);
 		}
 
-		wpinv_set_error( $code, $message, $type );
+		wpinv_set_error($code, $message, $type);
 
 	}
 

includes/gateways/class-getpaid-authorize-net-gateway.php

Spacing +193 added lines, -193 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Authorize.net Payment Gateway class.
@@ -24,7 +24,7 @@ 
 	 *
 	 * @var array
 	 */
-    protected $supports = array( 'subscription', 'sandbox', 'tokens', 'addons', 'single_subscription_group', 'multiple_subscription_groups' );
+    protected $supports = array('subscription', 'sandbox', 'tokens', 'addons', 'single_subscription_group', 'multiple_subscription_groups');
 
     /**
 	 * Payment method order.
@@ -52,7 +52,7 @@ 
 	 *
 	 * @var array
 	 */
-	public $currencies = array( 'USD', 'CAD', 'GBP', 'DKK', 'NOK', 'PLN', 'SEK', 'AUD', 'EUR', 'NZD' );
+	public $currencies = array('USD', 'CAD', 'GBP', 'DKK', 'NOK', 'PLN', 'SEK', 'AUD', 'EUR', 'NZD');
 
     /**
 	 * URL to view a transaction.
@@ -66,12 +66,12 @@ 
 	 */
 	public function __construct() {
 
-        $this->title                = __( 'Credit Card / Debit Card', 'invoicing' );
-        $this->method_title         = __( 'Authorize.Net', 'invoicing' );
-        $this->notify_url           = getpaid_get_non_query_string_ipn_url( $this->id );
+        $this->title                = __('Credit Card / Debit Card', 'invoicing');
+        $this->method_title         = __('Authorize.Net', 'invoicing');
+        $this->notify_url           = getpaid_get_non_query_string_ipn_url($this->id);
 
-        add_filter( 'getpaid_daily_maintenance_should_expire_subscription', array( $this, 'maybe_renew_subscription' ), 10, 2 );
-        add_filter( 'getpaid_authorizenet_sandbox_notice', array( $this, 'sandbox_notice' ) );
+        add_filter('getpaid_daily_maintenance_should_expire_subscription', array($this, 'maybe_renew_subscription'), 10, 2);
+        add_filter('getpaid_authorizenet_sandbox_notice', array($this, 'sandbox_notice'));
         parent::__construct();
     }
 
@@ -81,13 +81,13 @@ 
 	 * @param int $invoice_id 0 or invoice id.
 	 * @param GetPaid_Payment_Form $form Current payment form.
 	 */
-    public function payment_fields( $invoice_id, $form ) {
+    public function payment_fields($invoice_id, $form) {
 
         // Let the user select a payment method.
         echo $this->saved_payment_methods();
 
         // Show the credit card entry form.
-        echo $this->new_payment_method_entry( $this->get_cc_form( true ) );
+        echo $this->new_payment_method_entry($this->get_cc_form(true));
     }
 
     /**
@@ -100,64 +100,64 @@ 
      * @link https://developer.authorize.net/api/reference/index.html#customer-profiles-create-customer-profile
 	 * @return string|WP_Error Payment profile id.
 	 */
-	public function create_customer_profile( $invoice, $submission_data, $save = true ) {
+	public function create_customer_profile($invoice, $submission_data, $save = true) {
 
         // Remove non-digits from the number
-        $submission_data['authorizenet']['cc_number'] = preg_replace('/\D/', '', $submission_data['authorizenet']['cc_number'] );
+        $submission_data['authorizenet']['cc_number'] = preg_replace('/\D/', '', $submission_data['authorizenet']['cc_number']);
 
         // Generate args.
         $args = array(
             'createCustomerProfileRequest' => array(
                 'merchantAuthentication'   => $this->get_auth_params(),
                 'profile'                  => array(
-                    'merchantCustomerId'   => getpaid_limit_length( $invoice->get_user_id(), 20 ),
-                    'description'          => getpaid_limit_length( $invoice->get_full_name(), 255 ),
-                    'email'                => getpaid_limit_length( $invoice->get_email(), 255 ),
+                    'merchantCustomerId'   => getpaid_limit_length($invoice->get_user_id(), 20),
+                    'description'          => getpaid_limit_length($invoice->get_full_name(), 255),
+                    'email'                => getpaid_limit_length($invoice->get_email(), 255),
                     'paymentProfiles'      => array(
                         'customerType'     => 'individual',
 
                         // Billing information.
                         'billTo'           => array(
-                            'firstName'    => getpaid_limit_length( $invoice->get_first_name(), 50 ),
-                            'lastName'     => getpaid_limit_length( $invoice->get_last_name(), 50 ),
-                            'address'      => getpaid_limit_length( $invoice->get_address(), 60 ),
-                            'city'         => getpaid_limit_length( $invoice->get_city(), 40 ),
-                            'state'        => getpaid_limit_length( $invoice->get_state(), 40 ),
-                            'zip'          => getpaid_limit_length( $invoice->get_zip(), 20 ),
-                            'country'      => getpaid_limit_length( $invoice->get_country(), 60 ),
+                            'firstName'    => getpaid_limit_length($invoice->get_first_name(), 50),
+                            'lastName'     => getpaid_limit_length($invoice->get_last_name(), 50),
+                            'address'      => getpaid_limit_length($invoice->get_address(), 60),
+                            'city'         => getpaid_limit_length($invoice->get_city(), 40),
+                            'state'        => getpaid_limit_length($invoice->get_state(), 40),
+                            'zip'          => getpaid_limit_length($invoice->get_zip(), 20),
+                            'country'      => getpaid_limit_length($invoice->get_country(), 60),
                         ),
 
                         // Payment information.
-                        'payment'          => $this->get_payment_information( $submission_data['authorizenet'] ),
+                        'payment'          => $this->get_payment_information($submission_data['authorizenet']),
                     )
                 ),
-                'validationMode'           => $this->is_sandbox( $invoice ) ? 'testMode' : 'liveMode',
+                'validationMode'           => $this->is_sandbox($invoice) ? 'testMode' : 'liveMode',
             )
         );
 
-        $response = $this->post( apply_filters( 'getpaid_authorizenet_customer_profile_args', $args, $invoice ), $invoice );
+        $response = $this->post(apply_filters('getpaid_authorizenet_customer_profile_args', $args, $invoice), $invoice);
 
-        if ( is_wp_error( $response ) ) {
+        if (is_wp_error($response)) {
             return $response;
         }
 
-        update_user_meta( $invoice->get_user_id(), $this->get_customer_profile_meta_name( $invoice ), $response->customerProfileId );
+        update_user_meta($invoice->get_user_id(), $this->get_customer_profile_meta_name($invoice), $response->customerProfileId);
 
         // Save the payment token.
-        if ( $save ) {
+        if ($save) {
             $this->save_token(
                 array(
                     'id'      => $response->customerPaymentProfileIdList[0],
-                    'name'    => getpaid_get_card_name( $submission_data['authorizenet']['cc_number'] ) . '····' . substr( $submission_data['authorizenet']['cc_number'], -4 ),
+                    'name'    => getpaid_get_card_name($submission_data['authorizenet']['cc_number']) . '····' . substr($submission_data['authorizenet']['cc_number'], -4),
                     'default' => true,
-                    'type'    => $this->is_sandbox( $invoice ) ? 'sandbox' : 'live',
+                    'type'    => $this->is_sandbox($invoice) ? 'sandbox' : 'live',
                 )
             );
         }
 
         // Add a note about the validation response.
         $invoice->add_note(
-            sprintf( __( 'Created Authorize.NET customer profile: %s', 'invoicing' ), $response->validationDirectResponseList[0] ),
+            sprintf(__('Created Authorize.NET customer profile: %s', 'invoicing'), $response->validationDirectResponseList[0]),
             false,
             false,
             true
@@ -174,7 +174,7 @@ 
 	 * @return string|WP_Error Profile id.
      * @link https://developer.authorize.net/api/reference/index.html#customer-profiles-get-customer-profile
 	 */
-	public function get_customer_profile( $profile_id ) {
+	public function get_customer_profile($profile_id) {
 
         // Generate args.
         $args = array(
@@ -184,7 +184,7 @@ 
             )
         );
 
-        return $this->post( $args, false );
+        return $this->post($args, false);
 
     }
 
@@ -199,18 +199,18 @@ 
      * @link https://developer.authorize.net/api/reference/index.html#customer-profiles-create-customer-profile
 	 * @return string|WP_Error Profile id.
 	 */
-	public function create_customer_payment_profile( $customer_profile, $invoice, $submission_data, $save ) {
+	public function create_customer_payment_profile($customer_profile, $invoice, $submission_data, $save) {
 
         // Remove non-digits from the number
-        $submission_data['authorizenet']['cc_number'] = preg_replace('/\D/', '', $submission_data['authorizenet']['cc_number'] );
+        $submission_data['authorizenet']['cc_number'] = preg_replace('/\D/', '', $submission_data['authorizenet']['cc_number']);
 
         // Prepare card details.
-        $payment_information                          = $this->get_payment_information( $submission_data['authorizenet'] );
+        $payment_information                          = $this->get_payment_information($submission_data['authorizenet']);
 
         // Authorize.NET does not support saving the same card twice.
-        $cached_information                           = $this->retrieve_payment_profile_from_cache( $payment_information, $customer_profile, $invoice );
+        $cached_information                           = $this->retrieve_payment_profile_from_cache($payment_information, $customer_profile, $invoice);
 
-        if ( $cached_information ) {
+        if ($cached_information) {
             return $cached_information;
         }
 
@@ -223,46 +223,46 @@ 
 
                     // Billing information.
                     'billTo'           => array(
-                        'firstName'    => getpaid_limit_length( $invoice->get_first_name(), 50 ),
-                        'lastName'     => getpaid_limit_length( $invoice->get_last_name(), 50 ),
-                        'address'      => getpaid_limit_length( $invoice->get_address(), 60 ),
-                        'city'         => getpaid_limit_length( $invoice->get_city(), 40 ),
-                        'state'        => getpaid_limit_length( $invoice->get_state(), 40 ),
-                        'zip'          => getpaid_limit_length( $invoice->get_zip(), 20 ),
-                        'country'      => getpaid_limit_length( $invoice->get_country(), 60 ),
+                        'firstName'    => getpaid_limit_length($invoice->get_first_name(), 50),
+                        'lastName'     => getpaid_limit_length($invoice->get_last_name(), 50),
+                        'address'      => getpaid_limit_length($invoice->get_address(), 60),
+                        'city'         => getpaid_limit_length($invoice->get_city(), 40),
+                        'state'        => getpaid_limit_length($invoice->get_state(), 40),
+                        'zip'          => getpaid_limit_length($invoice->get_zip(), 20),
+                        'country'      => getpaid_limit_length($invoice->get_country(), 60),
                     ),
 
                     // Payment information.
                     'payment'          => $payment_information
                 ),
-                'validationMode'       => $this->is_sandbox( $invoice ) ? 'testMode' : 'liveMode',
+                'validationMode'       => $this->is_sandbox($invoice) ? 'testMode' : 'liveMode',
             )
         );
 
-        $response = $this->post( apply_filters( 'getpaid_authorizenet_create_customer_payment_profile_args', $args, $invoice ), $invoice );
+        $response = $this->post(apply_filters('getpaid_authorizenet_create_customer_payment_profile_args', $args, $invoice), $invoice);
 
-        if ( is_wp_error( $response ) ) {
+        if (is_wp_error($response)) {
             return $response;
         }
 
         // Save the payment token.
-        if ( $save ) {
+        if ($save) {
             $this->save_token(
                 array(
                     'id'      => $response->customerPaymentProfileId,
-                    'name'    => getpaid_get_card_name( $submission_data['authorizenet']['cc_number'] ) . ' ···· ' . substr( $submission_data['authorizenet']['cc_number'], -4 ),
+                    'name'    => getpaid_get_card_name($submission_data['authorizenet']['cc_number']) . ' ···· ' . substr($submission_data['authorizenet']['cc_number'], -4),
                     'default' => true,
-                    'type'    => $this->is_sandbox( $invoice ) ? 'sandbox' : 'live',
+                    'type'    => $this->is_sandbox($invoice) ? 'sandbox' : 'live',
                 )
             );
         }
 
         // Cache payment profile id.
-        $this->add_payment_profile_to_cache( $payment_information, $response->customerPaymentProfileId );
+        $this->add_payment_profile_to_cache($payment_information, $response->customerPaymentProfileId);
 
         // Add a note about the validation response.
         $invoice->add_note(
-            sprintf( __( 'Saved Authorize.NET payment profile: %s', 'invoicing' ), $response->validationDirectResponse ),
+            sprintf(__('Saved Authorize.NET payment profile: %s', 'invoicing'), $response->validationDirectResponse),
             false,
             false,
             true
@@ -279,12 +279,12 @@ 
      * @param array $payment_details.
 	 * @return array|false Profile id.
 	 */
-	public function retrieve_payment_profile_from_cache( $payment_details, $customer_profile, $invoice ) {
+	public function retrieve_payment_profile_from_cache($payment_details, $customer_profile, $invoice) {
 
-        $cached_information = get_option( 'getpaid_authorize_net_cached_profiles', array() );
-        $payment_details    = hash_hmac( 'sha256', json_encode( $payment_details ), SECURE_AUTH_KEY );
+        $cached_information = get_option('getpaid_authorize_net_cached_profiles', array());
+        $payment_details    = hash_hmac('sha256', json_encode($payment_details), SECURE_AUTH_KEY);
 
-        if ( ! is_array( $cached_information ) || ! array_key_exists( $payment_details, $cached_information ) ) {
+        if (!is_array($cached_information) || !array_key_exists($payment_details, $cached_information)) {
             return false;
         }
 
@@ -293,13 +293,13 @@ 
             'getCustomerPaymentProfileRequest' => array(
                 'merchantAuthentication'   => $this->get_auth_params(),
                 'customerProfileId'        => $customer_profile,
-                'customerPaymentProfileId' => $cached_information[ $payment_details ],
+                'customerPaymentProfileId' => $cached_information[$payment_details],
             )
         );
 
-        $response = $this->post( $args, $invoice );
+        $response = $this->post($args, $invoice);
 
-        return is_wp_error( $response ) ? false : $cached_information[ $payment_details ];
+        return is_wp_error($response) ? false : $cached_information[$payment_details];
 
     }
 
@@ -310,14 +310,14 @@ 
      * @param array $payment_details.
      * @param string $payment_profile_id.
 	 */
-	public function add_payment_profile_to_cache( $payment_details, $payment_profile_id ) {
+	public function add_payment_profile_to_cache($payment_details, $payment_profile_id) {
 
-        $cached_information = get_option( 'getpaid_authorize_net_cached_profiles', array() );
-        $cached_information = is_array( $cached_information ) ? $cached_information : array();
-        $payment_details    = hash_hmac( 'sha256', json_encode( $payment_details ), SECURE_AUTH_KEY );
+        $cached_information = get_option('getpaid_authorize_net_cached_profiles', array());
+        $cached_information = is_array($cached_information) ? $cached_information : array();
+        $payment_details    = hash_hmac('sha256', json_encode($payment_details), SECURE_AUTH_KEY);
 
-        $cached_information[ $payment_details ] = $payment_profile_id;
-        update_option( 'getpaid_authorize_net_cached_profiles', $cached_information );
+        $cached_information[$payment_details] = $payment_profile_id;
+        update_option('getpaid_authorize_net_cached_profiles', $cached_information);
 
     }
 
@@ -330,7 +330,7 @@ 
 	 * @return string|WP_Error Profile id.
      * @link https://developer.authorize.net/api/reference/index.html#customer-profiles-get-customer-payment-profile
 	 */
-	public function get_customer_payment_profile( $customer_profile_id, $payment_profile_id ) {
+	public function get_customer_payment_profile($customer_profile_id, $payment_profile_id) {
 
         // Generate args.
         $args = array(
@@ -341,7 +341,7 @@ 
             )
         );
 
-        return $this->post( $args, false );
+        return $this->post($args, false);
 
     }
 
@@ -354,7 +354,7 @@ 
      * @link https://developer.authorize.net/api/reference/index.html#payment-transactions-charge-a-customer-profile
 	 * @return WP_Error|object
 	 */
-	public function charge_customer_payment_profile( $customer_profile_id, $payment_profile_id, $invoice ) {
+	public function charge_customer_payment_profile($customer_profile_id, $payment_profile_id, $invoice) {
 
         // Generate args.
         $args = array(
@@ -374,28 +374,28 @@ 
                         )
                     ),
                     'order'                    => array(
-                        'invoiceNumber'        => getpaid_limit_length( $invoice->get_number(), 20 ),
+                        'invoiceNumber'        => getpaid_limit_length($invoice->get_number(), 20),
                     ),
-                    'lineItems'                => array( 'lineItem' => $this->get_line_items( $invoice ) ),
+                    'lineItems'                => array('lineItem' => $this->get_line_items($invoice)),
                     'tax'                      => array(
                         'amount'               => $invoice->get_total_tax(),
-                        'name'                 => __( 'TAX', 'invoicing' ),
+                        'name'                 => __('TAX', 'invoicing'),
                     ),
-                    'poNumber'                 => getpaid_limit_length( $invoice->get_number(), 25 ),
+                    'poNumber'                 => getpaid_limit_length($invoice->get_number(), 25),
                     'customer'                 => array(
-                        'id'                   => getpaid_limit_length( $invoice->get_user_id(), 25 ),
-                        'email'                => getpaid_limit_length( $invoice->get_email(), 25 ),
+                        'id'                   => getpaid_limit_length($invoice->get_user_id(), 25),
+                        'email'                => getpaid_limit_length($invoice->get_email(), 25),
                     ),
                     'customerIP'               => $invoice->get_ip(),
                 )
             )
         );
 
-        if ( 0 == $invoice->get_total_tax() ) {
-            unset( $args['createTransactionRequest']['transactionRequest']['tax'] );
+        if (0 == $invoice->get_total_tax()) {
+            unset($args['createTransactionRequest']['transactionRequest']['tax']);
         }
 
-        return $this->post( apply_filters( 'getpaid_authorizenet_charge_customer_payment_profile_args', $args, $invoice ), $invoice );
+        return $this->post(apply_filters('getpaid_authorizenet_charge_customer_payment_profile_args', $args, $invoice), $invoice);
 
     }
 
@@ -405,29 +405,29 @@ 
      * @param stdClass $result Api response.
 	 * @param WPInv_Invoice $invoice Invoice.
 	 */
-	public function process_charge_response( $result, $invoice ) {
+	public function process_charge_response($result, $invoice) {
 
         wpinv_clear_errors();
 		$response_code = (int) $result->transactionResponse->responseCode;
 
 		// Succeeded.
-		if ( 1 == $response_code || 4 == $response_code ) {
+		if (1 == $response_code || 4 == $response_code) {
 
 			// Maybe set a transaction id.
-			if ( ! empty( $result->transactionResponse->transId ) ) {
-				$invoice->set_transaction_id( $result->transactionResponse->transId );
+			if (!empty($result->transactionResponse->transId)) {
+				$invoice->set_transaction_id($result->transactionResponse->transId);
 			}
 
-			$invoice->add_note( sprintf( __( 'Authentication code: %s (%s).', 'invoicing' ), $result->transactionResponse->authCode, $result->transactionResponse->accountNumber ), false, false, true );
+			$invoice->add_note(sprintf(__('Authentication code: %s (%s).', 'invoicing'), $result->transactionResponse->authCode, $result->transactionResponse->accountNumber), false, false, true);
 
-			if ( 1 == $response_code ) {
+			if (1 == $response_code) {
 				return $invoice->mark_paid();
 			}
 
-			$invoice->set_status( 'wpi-onhold' );
+			$invoice->set_status('wpi-onhold');
         	$invoice->add_note(
                 sprintf(
-                    __( 'Held for review: %s', 'invoicing' ),
+                    __('Held for review: %s', 'invoicing'),
                     $result->transactionResponse->messages->message[0]->description
                 )
 			);
@@ -436,11 +436,11 @@ 
 
 		}
 
-        wpinv_set_error( 'card_declined', __( 'Credit card declined.', 'invoicing' ) );
+        wpinv_set_error('card_declined', __('Credit card declined.', 'invoicing'));
 
-        if ( ! empty( $result->transactionResponse->errors ) ) {
+        if (!empty($result->transactionResponse->errors)) {
             $errors = (object) $result->transactionResponse->errors;
-            wpinv_set_error( $errors->error[0]->errorCode, esc_html( $errors->error[0]->errorText ) );
+            wpinv_set_error($errors->error[0]->errorCode, esc_html($errors->error[0]->errorText));
         }
 
     }
@@ -452,10 +452,10 @@ 
 	 * @param array $card Card details.
 	 * @return array
 	 */
-	public function get_payment_information( $card ) {
+	public function get_payment_information($card) {
         return array(
 
-            'creditCard'         => array (
+            'creditCard'         => array(
                 'cardNumber'     => $card['cc_number'],
                 'expirationDate' => $card['cc_expire_year'] . '-' . $card['cc_expire_month'],
                 'cardCode'       => $card['cc_cvv2'],
@@ -471,8 +471,8 @@ 
 	 * @param WPInv_Invoice $invoice Invoice.
 	 * @return string
 	 */
-	public function get_customer_profile_meta_name( $invoice ) {
-        return $this->is_sandbox( $invoice ) ? 'getpaid_authorizenet_sandbox_customer_profile_id' : 'getpaid_authorizenet_customer_profile_id';
+	public function get_customer_profile_meta_name($invoice) {
+        return $this->is_sandbox($invoice) ? 'getpaid_authorizenet_sandbox_customer_profile_id' : 'getpaid_authorizenet_customer_profile_id';
     }
 
     /**
@@ -483,34 +483,34 @@ 
      * @param WPInv_Invoice $invoice
 	 * @return WP_Error|string The payment profile id
 	 */
-	public function validate_submission_data( $submission_data, $invoice ) {
+	public function validate_submission_data($submission_data, $invoice) {
 
         // Validate authentication details.
         $auth = $this->get_auth_params();
 
-        if ( empty( $auth['name'] ) || empty( $auth['transactionKey'] ) ) {
-            return new WP_Error( 'invalid_settings', __( 'Please set-up your login id and transaction key before using this gateway.', 'invoicing') );
+        if (empty($auth['name']) || empty($auth['transactionKey'])) {
+            return new WP_Error('invalid_settings', __('Please set-up your login id and transaction key before using this gateway.', 'invoicing'));
         }
 
         // Validate the payment method.
-        if ( empty( $submission_data['getpaid-authorizenet-payment-method'] ) ) {
-            return new WP_Error( 'invalid_payment_method', __( 'Please select a different payment method or add a new card.', 'invoicing') );
+        if (empty($submission_data['getpaid-authorizenet-payment-method'])) {
+            return new WP_Error('invalid_payment_method', __('Please select a different payment method or add a new card.', 'invoicing'));
         }
 
         // Are we adding a new payment method?
-        if ( 'new' != $submission_data['getpaid-authorizenet-payment-method'] ) {
+        if ('new' != $submission_data['getpaid-authorizenet-payment-method']) {
             return $submission_data['getpaid-authorizenet-payment-method'];
         }
 
         // Retrieve the customer profile id.
-        $profile_id = get_user_meta( $invoice->get_user_id(), $this->get_customer_profile_meta_name( $invoice ), true );
+        $profile_id = get_user_meta($invoice->get_user_id(), $this->get_customer_profile_meta_name($invoice), true);
 
         // Create payment method.
-        if ( empty( $profile_id ) ) {
-            return $this->create_customer_profile( $invoice, $submission_data, ! empty( $submission_data['getpaid-authorizenet-new-payment-method'] ) );
+        if (empty($profile_id)) {
+            return $this->create_customer_profile($invoice, $submission_data, !empty($submission_data['getpaid-authorizenet-new-payment-method']));
         }
 
-        return $this->create_customer_payment_profile( $profile_id, $invoice, $submission_data, ! empty( $submission_data['getpaid-authorizenet-new-payment-method'] ) );
+        return $this->create_customer_payment_profile($profile_id, $invoice, $submission_data, !empty($submission_data['getpaid-authorizenet-new-payment-method']));
 
     }
 
@@ -521,32 +521,32 @@ 
 	 * @param WPInv_Invoice $invoice Invoice.
 	 * @return array
 	 */
-	public function get_line_items( $invoice ) {
+	public function get_line_items($invoice) {
         $items = array();
 
-        foreach ( $invoice->get_items() as $item ) {
+        foreach ($invoice->get_items() as $item) {
 
             $amount  = $invoice->is_renewal() ? $item->get_price() : $item->get_initial_price();
             $items[] = array(
-                'itemId'      => getpaid_limit_length( $item->get_id(), 31 ),
-                'name'        => getpaid_limit_length( $item->get_raw_name(), 31 ),
-                'description' => getpaid_limit_length( $item->get_description(), 255 ),
-                'quantity'    => (string) ( $invoice->get_template() == 'amount' ? 1 : $item->get_quantity() ),
+                'itemId'      => getpaid_limit_length($item->get_id(), 31),
+                'name'        => getpaid_limit_length($item->get_raw_name(), 31),
+                'description' => getpaid_limit_length($item->get_description(), 255),
+                'quantity'    => (string) ($invoice->get_template() == 'amount' ? 1 : $item->get_quantity()),
                 'unitPrice'   => (float) $amount,
                 'taxable'     => wpinv_use_taxes() && $invoice->is_taxable() && 'tax-exempt' != $item->get_vat_rule(),
             );
 
         }
 
-        foreach ( $invoice->get_fees() as $fee_name => $fee ) {
+        foreach ($invoice->get_fees() as $fee_name => $fee) {
 
-            $amount  = $invoice->is_renewal() ? $fee['recurring_fee'] : $fee['initial_fee'];
+            $amount = $invoice->is_renewal() ? $fee['recurring_fee'] : $fee['initial_fee'];
 
-            if ( $amount > 0 ) {
+            if ($amount > 0) {
                 $items[] = array(
-                    'itemId'      => getpaid_limit_length( $fee_name, 31 ),
-                    'name'        => getpaid_limit_length( $fee_name, 31 ),
-                    'description' => getpaid_limit_length( $fee_name, 255 ),
+                    'itemId'      => getpaid_limit_length($fee_name, 31),
+                    'name'        => getpaid_limit_length($fee_name, 31),
+                    'description' => getpaid_limit_length($fee_name, 255),
                     'quantity'    => '1',
                     'unitPrice'   => (float) $amount,
                     'taxable'     => false,
@@ -567,36 +567,36 @@ 
 	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
 	 * @return array
 	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+	public function process_payment($invoice, $submission_data, $submission) {
 
         // Validate the submitted data.
-        $payment_profile_id = $this->validate_submission_data( $submission_data, $invoice );
+        $payment_profile_id = $this->validate_submission_data($submission_data, $invoice);
 
         // Do we have an error?
-        if ( is_wp_error( $payment_profile_id ) ) {
-            wpinv_set_error( $payment_profile_id->get_error_code(), $payment_profile_id->get_error_message() );
-            wpinv_send_back_to_checkout( $invoice );
+        if (is_wp_error($payment_profile_id)) {
+            wpinv_set_error($payment_profile_id->get_error_code(), $payment_profile_id->get_error_message());
+            wpinv_send_back_to_checkout($invoice);
         }
 
         // Save the payment method to the order.
-        update_post_meta( $invoice->get_id(), 'getpaid_authorizenet_profile_id', $payment_profile_id );
+        update_post_meta($invoice->get_id(), 'getpaid_authorizenet_profile_id', $payment_profile_id);
 
         // Check if this is a subscription or not.
-        $subscriptions = getpaid_get_invoice_subscriptions( $invoice );
-        if ( ! empty( $subscriptions ) ) {
-            $this->process_subscription( $invoice, $subscriptions );
+        $subscriptions = getpaid_get_invoice_subscriptions($invoice);
+        if (!empty($subscriptions)) {
+            $this->process_subscription($invoice, $subscriptions);
         }
 
         // If it is free, send to the success page.
-        if ( ! $invoice->needs_payment() ) {
+        if (!$invoice->needs_payment()) {
             $invoice->mark_paid();
-            wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
+            wpinv_send_to_success_page(array('invoice_key' => $invoice->get_key()));
         }
 
         // Charge the payment profile.
-        $this->process_initial_payment( $invoice );
+        $this->process_initial_payment($invoice);
 
-        wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
+        wpinv_send_to_success_page(array('invoice_key' => $invoice->get_key()));
 
         exit;
 
@@ -607,23 +607,23 @@ 
 	 *
      * @param WPInv_Invoice $invoice Invoice.
 	 */
-	protected function process_initial_payment( $invoice ) {
+	protected function process_initial_payment($invoice) {
 
-		$payment_profile_id = get_post_meta( $invoice->get_id(), 'getpaid_authorizenet_profile_id', true );
-        $customer_profile   = get_user_meta( $invoice->get_user_id(), $this->get_customer_profile_meta_name( $invoice ), true );
-		$result             = $this->charge_customer_payment_profile( $customer_profile, $payment_profile_id, $invoice );
+		$payment_profile_id = get_post_meta($invoice->get_id(), 'getpaid_authorizenet_profile_id', true);
+        $customer_profile = get_user_meta($invoice->get_user_id(), $this->get_customer_profile_meta_name($invoice), true);
+		$result             = $this->charge_customer_payment_profile($customer_profile, $payment_profile_id, $invoice);
 
 		// Do we have an error?
-		if ( is_wp_error( $result ) ) {
-			wpinv_set_error( $result->get_error_code(), $result->get_error_message() );
-			wpinv_send_back_to_checkout( $invoice );
+		if (is_wp_error($result)) {
+			wpinv_set_error($result->get_error_code(), $result->get_error_message());
+			wpinv_send_back_to_checkout($invoice);
 		}
 
 		// Process the response.
-		$this->process_charge_response( $result, $invoice );
+		$this->process_charge_response($result, $invoice);
 
-		if ( wpinv_get_errors() ) {
-			wpinv_send_back_to_checkout( $invoice );
+		if (wpinv_get_errors()) {
+			wpinv_send_back_to_checkout($invoice);
 		}
 
 	}
@@ -634,30 +634,30 @@ 
      * @param WPInv_Invoice $invoice Invoice.
      * @param WPInv_Subscription[]|WPInv_Subscription $subscriptions Subscriptions.
 	 */
-	public function process_subscription( $invoice, $subscriptions ) {
+	public function process_subscription($invoice, $subscriptions) {
 
         // Check if there is an initial amount to charge.
-        if ( (float) $invoice->get_total() > 0 ) {
-			$this->process_initial_payment( $invoice );
+        if ((float) $invoice->get_total() > 0) {
+			$this->process_initial_payment($invoice);
         }
 
         // Activate the subscriptions.
-        $subscriptions = is_array( $subscriptions ) ? $subscriptions : array( $subscriptions );
+        $subscriptions = is_array($subscriptions) ? $subscriptions : array($subscriptions);
 
-        foreach ( $subscriptions as $subscription ) {
-            if ( $subscription->exists() ) {
-                $duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
-                $expiry   = date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) );
+        foreach ($subscriptions as $subscription) {
+            if ($subscription->exists()) {
+                $duration = strtotime($subscription->get_expiration()) - strtotime($subscription->get_date_created());
+                $expiry   = date('Y-m-d H:i:s', (current_time('timestamp') + $duration));
 
-                $subscription->set_next_renewal_date( $expiry );
-                $subscription->set_date_created( current_time( 'mysql' ) );
-                $subscription->set_profile_id( $invoice->generate_key( 'authnet_sub_' . $invoice->get_id() . '_' . $subscription->get_id() ) );
+                $subscription->set_next_renewal_date($expiry);
+                $subscription->set_date_created(current_time('mysql'));
+                $subscription->set_profile_id($invoice->generate_key('authnet_sub_' . $invoice->get_id() . '_' . $subscription->get_id()));
                 $subscription->activate();
             }
         }
 
 		// Redirect to the success page.
-        wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
+        wpinv_send_to_success_page(array('invoice_key' => $invoice->get_key()));
 
     }
 
@@ -668,20 +668,20 @@ 
 	 * @param bool $should_expire
      * @param WPInv_Subscription $subscription
 	 */
-	public function maybe_renew_subscription( $should_expire, $subscription ) {
+	public function maybe_renew_subscription($should_expire, $subscription) {
 
         // Ensure its our subscription && it's active.
-        if ( $this->id != $subscription->get_gateway() || ! $subscription->has_status( 'active trialling' ) ) {
+        if ($this->id != $subscription->get_gateway() || !$subscription->has_status('active trialling')) {
             return $should_expire;
         }
 
         // If this is the last renewal, complete the subscription.
-        if ( $subscription->is_last_renewal() ) {
+        if ($subscription->is_last_renewal()) {
             $subscription->complete();
             return false;
         }
 
-        $this->renew_subscription( $subscription );
+        $this->renew_subscription($subscription);
 
         return false;
 
@@ -692,28 +692,28 @@ 
 	 *
      * @param WPInv_Subscription $subscription
 	 */
-	public function renew_subscription( $subscription ) {
+	public function renew_subscription($subscription) {
 
 		// Generate the renewal invoice.
 		$new_invoice = $subscription->create_payment();
 		$old_invoice = $subscription->get_parent_payment();
 
-        if ( empty( $new_invoice ) ) {
-            $old_invoice->add_note( __( 'Error generating a renewal invoice.', 'invoicing' ), false, false, false );
+        if (empty($new_invoice)) {
+            $old_invoice->add_note(__('Error generating a renewal invoice.', 'invoicing'), false, false, false);
             $subscription->failing();
             return;
         }
 
         // Charge the payment method.
-		$payment_profile_id = get_post_meta( $old_invoice->get_id(), 'getpaid_authorizenet_profile_id', true );
-		$customer_profile   = get_user_meta( $old_invoice->get_user_id(), $this->get_customer_profile_meta_name( $old_invoice ), true );
-		$result             = $this->charge_customer_payment_profile( $customer_profile, $payment_profile_id, $new_invoice );
+		$payment_profile_id = get_post_meta($old_invoice->get_id(), 'getpaid_authorizenet_profile_id', true);
+		$customer_profile   = get_user_meta($old_invoice->get_user_id(), $this->get_customer_profile_meta_name($old_invoice), true);
+		$result             = $this->charge_customer_payment_profile($customer_profile, $payment_profile_id, $new_invoice);
 
 		// Do we have an error?
-		if ( is_wp_error( $result ) ) {
+		if (is_wp_error($result)) {
 
 			$old_invoice->add_note(
-				sprintf( __( 'Error renewing subscription : ( %s ).', 'invoicing' ), $result->get_error_message() ),
+				sprintf(__('Error renewing subscription : ( %s ).', 'invoicing'), $result->get_error_message()),
 				true,
 				false,
 				true
@@ -724,12 +724,12 @@ 
 		}
 
 		// Process the response.
-		$this->process_charge_response( $result, $new_invoice );
+		$this->process_charge_response($result, $new_invoice);
 
-		if ( wpinv_get_errors() ) {
+		if (wpinv_get_errors()) {
 
 			$old_invoice->add_note(
-				sprintf( __( 'Error renewing subscription : ( %s ).', 'invoicing' ), getpaid_get_errors_html() ),
+				sprintf(__('Error renewing subscription : ( %s ).', 'invoicing'), getpaid_get_errors_html()),
 				true,
 				false,
 				true
@@ -739,7 +739,7 @@ 
 
         }
 
-        $subscription->add_payment( array(), $new_invoice );
+        $subscription->add_payment(array(), $new_invoice);
         $subscription->renew();
     }
 
@@ -750,34 +750,34 @@ 
 	 * @param GetPaid_Form_Item[] $items
 	 * @return WPInv_Invoice
 	 */
-	public function process_addons( $invoice, $items ) {
+	public function process_addons($invoice, $items) {
 
         global $getpaid_authorize_addons;
 
         $getpaid_authorize_addons = array();
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 
-            if ( is_null( $invoice->get_item( $item->get_id() ) ) && ! is_wp_error( $invoice->add_item( $item ) ) ) {
+            if (is_null($invoice->get_item($item->get_id())) && !is_wp_error($invoice->add_item($item))) {
                 $getpaid_authorize_addons[] = $item;
             }
 
         }
 
-        if ( empty( $getpaid_authorize_addons ) ) {
+        if (empty($getpaid_authorize_addons)) {
             return;
         }
 
         $invoice->recalculate_total();
 
-        $payment_profile_id = get_post_meta( $invoice->get_id(), 'getpaid_authorizenet_profile_id', true );
-		$customer_profile   = get_user_meta( $invoice->get_user_id(), $this->get_customer_profile_meta_name( $invoice ), true );
+        $payment_profile_id = get_post_meta($invoice->get_id(), 'getpaid_authorizenet_profile_id', true);
+		$customer_profile = get_user_meta($invoice->get_user_id(), $this->get_customer_profile_meta_name($invoice), true);
 
-        add_filter( 'getpaid_authorizenet_charge_customer_payment_profile_args', array( $this, 'filter_addons_request' ), 10, 2 );
-        $result = $this->charge_customer_payment_profile( $customer_profile, $payment_profile_id, $invoice );
-        remove_filter( 'getpaid_authorizenet_charge_customer_payment_profile_args', array( $this, 'filter_addons_request' ) );
+        add_filter('getpaid_authorizenet_charge_customer_payment_profile_args', array($this, 'filter_addons_request'), 10, 2);
+        $result = $this->charge_customer_payment_profile($customer_profile, $payment_profile_id, $invoice);
+        remove_filter('getpaid_authorizenet_charge_customer_payment_profile_args', array($this, 'filter_addons_request'));
 
-        if ( is_wp_error( $result ) ) {
-            wpinv_set_error( $result->get_error_code(), $result->get_error_message() );
+        if (is_wp_error($result)) {
+            wpinv_set_error($result->get_error_code(), $result->get_error_message());
             return;
         }
 
@@ -790,19 +790,19 @@ 
      * @param array $args
 	 * @return array
 	 */
-    public function filter_addons_request( $args ) {
+    public function filter_addons_request($args) {
 
         global $getpaid_authorize_addons;
         $total = 0;
 
-        foreach ( $getpaid_authorize_addons as $addon ) {
+        foreach ($getpaid_authorize_addons as $addon) {
             $total += $addon->get_sub_total();
         }
 
         $args['createTransactionRequest']['transactionRequest']['amount'] = $total;
 
-        if ( isset( $args['createTransactionRequest']['transactionRequest']['tax'] ) ) {
-            unset( $args['createTransactionRequest']['transactionRequest']['tax'] );
+        if (isset($args['createTransactionRequest']['transactionRequest']['tax'])) {
+            unset($args['createTransactionRequest']['transactionRequest']['tax']);
         }
 
         return $args;
@@ -815,7 +815,7 @@ 
     public function sandbox_notice() {
 
         return sprintf(
-            __( 'SANDBOX ENABLED. You can use sandbox testing details only. See the %sAuthorize.NET Sandbox Testing Guide%s for more details.', 'invoicing' ),
+            __('SANDBOX ENABLED. You can use sandbox testing details only. See the %sAuthorize.NET Sandbox Testing Guide%s for more details.', 'invoicing'),
             '<a href="https://developer.authorize.net/hello_world/testing_guide.html">',
             '</a>'
         );
@@ -827,42 +827,42 @@ 
 	 *
 	 * @param array $admin_settings
 	 */
-	public function admin_settings( $admin_settings ) {
+	public function admin_settings($admin_settings) {
 
         $currencies = sprintf(
-            __( 'Supported Currencies: %s', 'invoicing' ),
-            implode( ', ', $this->currencies )
+            __('Supported Currencies: %s', 'invoicing'),
+            implode(', ', $this->currencies)
         );
 
         $admin_settings['authorizenet_active']['desc'] .= " ($currencies)";
-        $admin_settings['authorizenet_desc']['std']     = __( 'Pay securely using your credit or debit card.', 'invoicing' );
+        $admin_settings['authorizenet_desc']['std']     = __('Pay securely using your credit or debit card.', 'invoicing');
 
         $admin_settings['authorizenet_login_id'] = array(
             'type' => 'text',
             'id'   => 'authorizenet_login_id',
-            'name' => __( 'API Login ID', 'invoicing' ),
-            'desc' => '<a href="https://support.authorize.net/s/article/How-do-I-obtain-my-API-Login-ID-and-Transaction-Key"><em>' . __( 'How do I obtain my API Login ID and Transaction Key?', 'invoicing' ) . '</em></a>',
+            'name' => __('API Login ID', 'invoicing'),
+            'desc' => '<a href="https://support.authorize.net/s/article/How-do-I-obtain-my-API-Login-ID-and-Transaction-Key"><em>' . __('How do I obtain my API Login ID and Transaction Key?', 'invoicing') . '</em></a>',
         );
 
         $admin_settings['authorizenet_transaction_key'] = array(
             'type' => 'text',
             'id'   => 'authorizenet_transaction_key',
-            'name' => __( 'Transaction Key', 'invoicing' ),
+            'name' => __('Transaction Key', 'invoicing'),
         );
 
         $admin_settings['authorizenet_signature_key'] = array(
             'type' => 'text',
             'id'   => 'authorizenet_signature_key',
-            'name' => __( 'Signature Key', 'invoicing' ),
-            'desc' => '<a href="https://support.authorize.net/s/article/What-is-a-Signature-Key"><em>' . __( 'Learn more.', 'invoicing' ) . '</em></a>',
+            'name' => __('Signature Key', 'invoicing'),
+            'desc' => '<a href="https://support.authorize.net/s/article/What-is-a-Signature-Key"><em>' . __('Learn more.', 'invoicing') . '</em></a>',
         );
 
         $admin_settings['authorizenet_ipn_url'] = array(
             'type'     => 'ipn_url',
             'id'       => 'authorizenet_ipn_url',
-            'name'     => __( 'Webhook URL', 'invoicing' ),
+            'name'     => __('Webhook URL', 'invoicing'),
             'std'      => $this->notify_url,
-            'desc'     => __( 'Create a new webhook using this URL as the endpoint URL and set it to receive all payment events.', 'invoicing' ) . ' <a href="https://support.authorize.net/s/article/How-do-I-add-edit-Webhook-notification-end-points"><em>' . __( 'Learn more.', 'invoicing' ) . '</em></a>',
+            'desc'     => __('Create a new webhook using this URL as the endpoint URL and set it to receive all payment events.', 'invoicing') . ' <a href="https://support.authorize.net/s/article/How-do-I-add-edit-Webhook-notification-end-points"><em>' . __('Learn more.', 'invoicing') . '</em></a>',
             'custom'   => 'authorizenet',
             'readonly' => true,
         );