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<?php /** * Payment related functions. * * @since 1.8.2 */ /** * Get supported currencies. * * @since 1.2.4 * * @return array */ function wpforms_get_currencies() { $currencies = [ 'USD' => [ 'name' => esc_html__( 'U.S. Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'GBP' => [ 'name' => esc_html__( 'Pound Sterling', 'wpforms-lite' ), 'symbol' => '£', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'EUR' => [ 'name' => esc_html__( 'Euro', 'wpforms-lite' ), 'symbol' => '€', 'symbol_pos' => 'right', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'AUD' => [ 'name' => esc_html__( 'Australian Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'BRL' => [ 'name' => esc_html__( 'Brazilian Real', 'wpforms-lite' ), 'symbol' => 'R$', 'symbol_pos' => 'left', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'BGN' => [ 'name' => esc_html__( 'Bulgarian Lev', 'wpforms-lite' ), 'symbol' => 'ะปะฒ', 'symbol_pos' => 'right', 'thousands_separator' => ' ', 'decimal_separator' => ',', 'decimals' => 2, ], 'CAD' => [ 'name' => esc_html__( 'Canadian Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'CRC' => [ 'name' => esc_html__( 'Costa Rican Colรณn', 'wpforms-lite' ), 'symbol' => '₡', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'XAF' => [ 'name' => esc_html__( 'Central African CFA Franc', 'wpforms-lite' ), 'symbol' => 'F.CFA ', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '', 'decimals' => 0, ], 'CZK' => [ 'name' => esc_html__( 'Czech Koruna', 'wpforms-lite' ), 'symbol' => 'Kč', 'symbol_pos' => 'right', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'DKK' => [ 'name' => esc_html__( 'Danish Krone', 'wpforms-lite' ), 'symbol' => 'kr.', 'symbol_pos' => 'right', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'HKD' => [ 'name' => esc_html__( 'Hong Kong Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'HUF' => [ 'name' => esc_html__( 'Hungarian Forint', 'wpforms-lite' ), 'symbol' => 'Ft', 'symbol_pos' => 'right', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'INR' => [ 'name' => esc_html__( 'Indian Rupee', 'wpforms-lite' ), 'symbol' => '₹', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'ILS' => [ 'name' => esc_html__( 'Israeli New Sheqel', 'wpforms-lite' ), 'symbol' => '₪', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'JPY' => [ 'name' => esc_html__( 'Japanese Yen', 'wpforms-lite' ), 'symbol' => '¥', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '', 'decimals' => 0, ], 'MYR' => [ 'name' => esc_html__( 'Malaysian Ringgit', 'wpforms-lite' ), 'symbol' => 'RM', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'MXN' => [ 'name' => esc_html__( 'Mexican Peso', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'NOK' => [ 'name' => esc_html__( 'Norwegian Krone', 'wpforms-lite' ), 'symbol' => 'Kr', 'symbol_pos' => 'left', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'NZD' => [ 'name' => esc_html__( 'New Zealand Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'PHP' => [ 'name' => esc_html__( 'Philippine Peso', 'wpforms-lite' ), 'symbol' => 'Php', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'PLN' => [ 'name' => esc_html__( 'Polish Zloty', 'wpforms-lite' ), 'symbol' => 'zł', 'symbol_pos' => 'left', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'RON' => [ 'name' => esc_html__( 'Romanian Leu', 'wpforms-lite' ), 'symbol' => 'lei', 'symbol_pos' => 'right', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'RUB' => [ 'name' => esc_html__( 'Russian Ruble', 'wpforms-lite' ), 'symbol' => 'pyะฑ', 'symbol_pos' => 'right', 'thousands_separator' => ' ', 'decimal_separator' => '.', 'decimals' => 2, ], 'SAR' => [ 'name' => esc_html__( 'Saudi Arabian Riyal', 'wpforms-lite' ), 'symbol' => '﷼', 'symbol_pos' => 'right', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'SGD' => [ 'name' => esc_html__( 'Singapore Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'RSD' => [ 'name' => esc_html__( 'Serbian Dinar', 'wpforms-lite' ), 'symbol' => 'din. ', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'ZAR' => [ 'name' => esc_html__( 'South African Rand', 'wpforms-lite' ), 'symbol' => 'R', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'KRW' => [ 'name' => esc_html__( 'South Korean Won', 'wpforms-lite' ), 'symbol' => '₩', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '', 'decimals' => 0, ], 'LKR' => [ 'name' => esc_html__( 'Sri Lankan Rupee', 'wpforms-lite' ), 'symbol' => 'Rs ', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'SEK' => [ 'name' => esc_html__( 'Swedish Krona', 'wpforms-lite' ), 'symbol' => 'Kr', 'symbol_pos' => 'right', 'thousands_separator' => '.', 'decimal_separator' => ',', 'decimals' => 2, ], 'CHF' => [ 'name' => esc_html__( 'Swiss Franc', 'wpforms-lite' ), 'symbol' => 'CHF', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'TWD' => [ 'name' => esc_html__( 'Taiwan New Dollar', 'wpforms-lite' ), 'symbol' => '$', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'THB' => [ 'name' => esc_html__( 'Thai Baht', 'wpforms-lite' ), 'symbol' => '฿', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'TRY' => [ 'name' => esc_html__( 'Turkish Lira', 'wpforms-lite' ), 'symbol' => '₺', 'symbol_pos' => 'left', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], 'AED' => [ 'name' => esc_html__( 'United Arab Emirates Dirham', 'wpforms-lite' ), 'symbol' => 'د.إ', 'symbol_pos' => 'right', 'thousands_separator' => ',', 'decimal_separator' => '.', 'decimals' => 2, ], ]; /** * Filter for currencies supported in WPForms payments. * * @since 1.2.4 * * @param array $currencies List of currencies. */ return array_change_key_case( (array) apply_filters( 'wpforms_currencies', $currencies ), CASE_UPPER ); } /** * Sanitize amount by stripping out thousands separators. * * @link https://github.com/easydigitaldownloads/easy-digital-downloads/blob/master/includes/formatting.php#L24 * * @since 1.2.6 * * @param string $amount Price amount. * @param string $currency Currency ISO code (USD, EUR, etc). * * @return string $amount */ function wpforms_sanitize_amount( $amount, $currency = '' ) { if ( empty( $currency ) ) { $currency = wpforms_get_currency(); } $raw_amount = $amount; $currency = strtoupper( $currency ); $currencies = wpforms_get_currencies(); $thousands_sep = $currencies[ $currency ]['thousands_separator'] ?? ','; $decimal_sep = $currencies[ $currency ]['decimal_separator'] ?? '.'; /** * Filter the raw price amount before sanitization. * * @since 1.8.9.4 * * @param string $amount Raw price amount. * @param string $currency Currency ISO code (USD, EUR, etc). * @param string $thousands_sep Thousands separator. * @param string $decimal_sep Decimal separator. * * @return string */ $amount = (string) apply_filters( 'wpforms_sanitize_amount_before', $amount, $currency, $thousands_sep, $decimal_sep ); // Sanitize the amount. if ( $decimal_sep === ',' && strpos( $amount, $decimal_sep ) !== false ) { if ( ( $thousands_sep === '.' || $thousands_sep === ' ' ) && strpos( $amount, $thousands_sep ) !== false ) { $amount = str_replace( $thousands_sep, '', $amount ); } elseif ( empty( $thousands_sep ) && strpos( $amount, '.' ) !== false ) { $amount = str_replace( '.', '', $amount ); } $amount = str_replace( $decimal_sep, '.', $amount ); } elseif ( $thousands_sep === ',' && strpos( $amount, $thousands_sep ) !== false ) { $amount = str_replace( $thousands_sep, '', $amount ); } // Remove current symbol. $amount = str_replace( $currencies[ $currency ]['symbol'], '', $amount ); /** * Remove any characters that are not a digit, a decimal point, or a minus sign. * * E is an exponent notation. Float number can be written in the form 2E-13, which means 2 * 10^-13. * 0-9 is digits. * . is decimal point. * - is minus sign. */ $sanitized_amount = (string) preg_replace( '/[^E0-9.-]/', '', $amount ); /** * Set correct currency decimals. * * @since 1.6.6 * * @param int $decimals Default number of decimals. * @param string $sanitized_amount Price amount. */ $decimals = (int) apply_filters( 'wpforms_sanitize_amount_decimals', wpforms_get_currency_decimals( $currency ), $sanitized_amount ); /** * Filter the sanitized amount. * * @since 1.8.9.4 * * @param string $sanitized_amount Sanitized price amount. * @param string $raw_amount Raw price amount. * @param string $currency Currency ISO code (USD, EUR, etc). * @param int $decimals Number of decimals. * * @return string */ return (string) apply_filters( 'wpforms_sanitize_amount', number_format( (float) $sanitized_amount, $decimals, '.', '' ), $raw_amount, $currency, $decimals ); } /** * Return a nicely formatted amount. * * @since 1.2.6 * * @param string $amount Price amount. * @param bool $symbol Currency symbol ($, โฌ). * @param string $currency Currency ISO code (USD, EUR, etc). * * @return string $amount Newly formatted amount or Price Not Available */ function wpforms_format_amount( $amount, $symbol = false, $currency = '' ) { if ( empty( $currency ) ) { $currency = wpforms_get_currency(); } $currency = strtoupper( $currency ); $currencies = wpforms_get_currencies(); $thousands_sep = isset( $currencies[ $currency ]['thousands_separator'] ) ? $currencies[ $currency ]['thousands_separator'] : ','; $decimal_sep = isset( $currencies[ $currency ]['decimal_separator'] ) ? $currencies[ $currency ]['decimal_separator'] : '.'; $sep_found = ! empty( $decimal_sep ) ? strpos( $amount, $decimal_sep ) : false; // Format the amount. if ( $decimal_sep === ',' && $sep_found !== false ) { $whole = substr( $amount, 0, $sep_found ); $part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) ); $amount = $whole . '.' . $part; } // Strip "," (comma) from the amount (if set as the thousands' separator). if ( $thousands_sep === ',' && strpos( $amount, $thousands_sep ) !== false ) { $amount = (float) str_replace( ',', '', $amount ); } if ( empty( $amount ) ) { $amount = 0; } /** This filter is documented in wpforms_sanitize_amount function above. */ $decimals = (int) apply_filters( 'wpforms_sanitize_amount_decimals', wpforms_get_currency_decimals( $currency ), $amount ); $number = number_format( (float) $amount, $decimals, $decimal_sep, $thousands_sep ); // Display a symbol, if any. if ( $symbol && isset( $currencies[ $currency ]['symbol_pos'] ) ) { /** * Filter for currency symbol padding. * * @since 1.2.6 * * @param string $symbol_padding Currency symbol padding. */ $symbol_padding = apply_filters( 'wpforms_currency_symbol_padding', ' ' ); if ( $currencies[ $currency ]['symbol_pos'] === 'right' ) { $number .= $symbol_padding . $currencies[ $currency ]['symbol']; } else { $number = $currencies[ $currency ]['symbol'] . $number; } } return $number; } /** * Get default number of decimals for a given currency. * If not provided inside the currency, default value is used, which is 2. * * @since 1.6.6 * * @param array|string $currency Currency data we are getting decimals for. * * @return int */ function wpforms_get_currency_decimals( $currency ) { if ( is_string( $currency ) ) { $currencies = wpforms_get_currencies(); $currency_code = strtoupper( $currency ); $currency = isset( $currencies[ $currency_code ] ) ? $currencies[ $currency_code ] : []; } /** * Get currency decimals. * * @since 1.6.6 * * @param int $decimals Default number of decimals. * @param array|string $currency Currency data we are getting decimals for. */ return (int) apply_filters( 'wpforms_get_currency_decimals', isset( $currency['decimals'] ) ? $currency['decimals'] : 2, $currency ); } /** * Get payments currency. * If the currency not available anymore 'USD' used as default. * * @since 1.6.6 * * @return string */ function wpforms_get_currency() { $currency = wpforms_setting( 'currency' ); $currencies = wpforms_get_currencies(); /** * Get payments currency. * * @since 1.6.6 * * @param string $currency Payments currency. * @param array $currencies Available currencies. */ return apply_filters( 'wpforms_get_currency', isset( $currencies[ $currency ] ) ? $currency : 'USD', $currencies ); } /** * Return recognized payment field types. * * @since 1.0.0 * * @return array */ function wpforms_payment_fields() { /** * Filters the recognized payment field types. * * @since 1.0.0 * * @param array $fields Payment field types. */ return (array) apply_filters( 'wpforms_payment_fields', [ 'payment-single', 'payment-multiple', 'payment-checkbox', 'payment-select' ] ); } /** * Check if form or entry contains payment. * * @since 1.0.0 * * @param string $type Either 'entry' or 'form'. * @param array $data List of form fields. * * @return bool */ function wpforms_has_payment( $type = 'entry', $data = [] ) { $payment = false; $payment_fields = wpforms_payment_fields(); if ( ! empty( $data['fields'] ) ) { $data = $data['fields']; } if ( empty( $data ) ) { return false; } foreach ( $data as $field ) { if ( isset( $field['type'] ) && in_array( $field['type'], $payment_fields, true ) ) { // For entries, only return true if the payment field has an amount. if ( $type === 'form' || ( $type === 'entry' && ! empty( $field['amount'] ) && ! empty( wpforms_sanitize_amount( $field['amount'] ) ) ) ) { $payment = true; break; } } } return $payment; } /** * Check to see if a form has an active payment gateway configured. * * @since 1.4.5 * * @param array $form_data Form data and settings. * * @return bool */ function wpforms_has_payment_gateway( $form_data ) { // PayPal Standard check. if ( ! empty( $form_data['payments']['paypal_standard']['enable'] ) ) { return true; } // Stripe Check. if ( ! empty( $form_data['payments']['stripe']['enable'] ) ) { return true; } /** * Allow modifying whether a form has an active payment gateway. * * @since 1.4.5 * * @param bool $result True if a form has an active payment gateway. * @param array $form_data Form data and settings. */ return (bool) apply_filters( 'wpforms_has_payment_gateway', false, $form_data ); } /** * Get payment total amount from entry. * * @since 1.0.0 * @since 1.8.2.2 Added PHP max() function before returning a total. * * @param array $fields List of fields. * * @return string */ function wpforms_get_total_payment( $fields ) { $fields = wpforms_get_payment_items( $fields ); $total = 0; if ( empty( $fields ) ) { return false; } foreach ( $fields as $field ) { // Skip the field hidden by conditional logic. if ( isset( $field['visible'] ) && $field['visible'] === false ) { continue; } if ( empty( $field['amount'] ) ) { continue; } $amount = wpforms_sanitize_amount( $field['amount'] ); if ( ! empty( $field['quantity'] ) ) { $amount *= (int) $field['quantity']; } $total += $amount; } $total = max( 0, $total ); return wpforms_sanitize_amount( $total ); } /** * Get payment fields in an entry. * * @since 1.0.0 * * @param array $fields List of fields. * * @return array|bool False if no fields provided, otherwise array. */ function wpforms_get_payment_items( $fields = [] ) { if ( empty( $fields ) ) { return false; } $payment_fields = wpforms_payment_fields(); foreach ( $fields as $id => $field ) { if ( empty( $field['type'] ) || empty( $field['amount'] ) || ! in_array( $field['type'], $payment_fields, true ) || empty( wpforms_sanitize_amount( $field['amount'] ) ) || ( isset( $field['quantity'] ) && ! $field['quantity'] ) ) { // Remove all non-payment fields as well as payment fields with no amount or empty quantity. unset( $fields[ $id ] ); } } return $fields; } /** * Determine if field has quantity enabled. * * @since 1.8.7 * * @param array $field Field data. * @param array $form_data Form data. * * @return bool */ function wpforms_payment_has_quantity( array $field, array $form_data ): bool { if ( ! isset( $field['id'] ) ) { return false; } if ( isset( $field['quantity'] ) ) { return true; } $field_settings = $form_data['fields'][ $field['id'] ] ?? []; if ( empty( $field_settings['enable_quantity'] ) ) { return false; } // Quantity is available only for `single` format of the Single payment field. if ( $field_settings['type'] === 'payment-single' && $field_settings['format'] !== 'single' ) { return false; } // Otherwise return true. // It covers the Dropdown Items field (and others where the quantity will be supported). return true; } /** * Formatted payment field value with quantity. * * @since 1.8.7 * * @param array $field Field data. * * @return string */ function wpforms_payment_format_quantity( array $field ): string { if ( empty( $field['value'] ) ) { return ''; } return sprintf( /* translators: %1$s - payment amount; %2$d - payment quantity. */ esc_html__( '%1$s × %2$d', 'wpforms-lite' ), $field['value'], $field['quantity'] ?? 1 ); } /** * Get the multiplier for a given currency based on its decimal places. * * This function returns a scaling factor used to convert between * the smallest currency unit (e.g., cents for USD) and the standard * representation. * For example, * - USD (2 decimal places) โ returns 100 * - JPY (0 decimal places) โ returns 1 * * @since 1.9.5 * * @param string $currency Currency. * * @return int */ function wpforms_get_currency_multiplier( string $currency = '' ): int { if ( ! $currency ) { $currency = wpforms_get_currency(); } return (int) str_pad( 1, wpforms_get_currency_decimals( strtolower( $currency ) ) + 1, 0, STR_PAD_RIGHT ); }
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