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<?php

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/**

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* Payment related functions.

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* @since 1.8.2

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/**

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* Get supported currencies.

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* @since 1.2.4

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* @return array

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function wpforms_get_currencies() {

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$currencies = [

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'USD' => [

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'name' => esc_html__( 'U.S. Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'GBP' => [

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'name' => esc_html__( 'Pound Sterling', 'wpforms-lite' ),

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'symbol' => '£',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'EUR' => [

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'name' => esc_html__( 'Euro', 'wpforms-lite' ),

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'symbol' => '€',

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'symbol_pos' => 'right',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'AUD' => [

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'name' => esc_html__( 'Australian Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'BRL' => [

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'name' => esc_html__( 'Brazilian Real', 'wpforms-lite' ),

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'symbol' => 'R$',

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'symbol_pos' => 'left',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'CAD' => [

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'name' => esc_html__( 'Canadian Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'CZK' => [

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'name' => esc_html__( 'Czech Koruna', 'wpforms-lite' ),

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'symbol' => 'Kč',

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'symbol_pos' => 'right',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'DKK' => [

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'name' => esc_html__( 'Danish Krone', 'wpforms-lite' ),

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'symbol' => 'kr.',

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'symbol_pos' => 'right',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'HKD' => [

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'name' => esc_html__( 'Hong Kong Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'HUF' => [

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'name' => esc_html__( 'Hungarian Forint', 'wpforms-lite' ),

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'symbol' => 'Ft',

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'symbol_pos' => 'right',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'ILS' => [

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'name' => esc_html__( 'Israeli New Sheqel', 'wpforms-lite' ),

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'symbol' => '₪',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'MYR' => [

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'name' => esc_html__( 'Malaysian Ringgit', 'wpforms-lite' ),

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'symbol' => 'RM',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'MXN' => [

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'name' => esc_html__( 'Mexican Peso', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'NOK' => [

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'name' => esc_html__( 'Norwegian Krone', 'wpforms-lite' ),

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'symbol' => 'Kr',

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'symbol_pos' => 'left',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'NZD' => [

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'name' => esc_html__( 'New Zealand Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'PHP' => [

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'name' => esc_html__( 'Philippine Peso', 'wpforms-lite' ),

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'symbol' => 'Php',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'PLN' => [

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'name' => esc_html__( 'Polish Zloty', 'wpforms-lite' ),

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'symbol' => 'zł',

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'symbol_pos' => 'left',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'RUB' => [

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'name' => esc_html__( 'Russian Ruble', 'wpforms-lite' ),

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'symbol' => 'pyб',

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'symbol_pos' => 'right',

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'thousands_separator' => ' ',

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'decimal_separator' => '.',

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'decimals' => 2,

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'SGD' => [

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'name' => esc_html__( 'Singapore Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'ZAR' => [

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'name' => esc_html__( 'South African Rand', 'wpforms-lite' ),

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'symbol' => 'R',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'SEK' => [

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'name' => esc_html__( 'Swedish Krona', 'wpforms-lite' ),

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'symbol' => 'Kr',

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'symbol_pos' => 'right',

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'thousands_separator' => '.',

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'decimal_separator' => ',',

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'decimals' => 2,

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'CHF' => [

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'name' => esc_html__( 'Swiss Franc', 'wpforms-lite' ),

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'symbol' => 'CHF',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'TWD' => [

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'name' => esc_html__( 'Taiwan New Dollar', 'wpforms-lite' ),

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'symbol' => '$',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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'THB' => [

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'name' => esc_html__( 'Thai Baht', 'wpforms-lite' ),

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'symbol' => '฿',

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'symbol_pos' => 'left',

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'thousands_separator' => ',',

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'decimal_separator' => '.',

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'decimals' => 2,

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];

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/**

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* Filter for currencies supported in WPForms payments.

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* @since 1.2.4

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* @param array $currencies List of currencies.

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return array_change_key_case( (array) apply_filters( 'wpforms_currencies', $currencies ), CASE_UPPER );

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}

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/**

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* Sanitize amount by stripping out thousands separators.

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* @link https://github.com/easydigitaldownloads/easy-digital-downloads/blob/master/includes/formatting.php#L24

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* @since 1.2.6

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* @param string $amount Price amount.

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* @param string $currency Currency ISO code (USD, EUR, etc).

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* @return string $amount

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function wpforms_sanitize_amount( $amount, $currency = '' ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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if ( empty( $currency ) ) {

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$currency = wpforms_get_currency();

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}

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$raw_amount = $amount;

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$currency = strtoupper( $currency );

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$currencies = wpforms_get_currencies();

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$thousands_sep = $currencies[ $currency ]['thousands_separator'] ?? ',';

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$decimal_sep = $currencies[ $currency ]['decimal_separator'] ?? '.';

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/**

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* Filter the raw price amount before sanitization.

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* @since 1.8.9.4

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* @param string $amount Raw price amount.

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* @param string $currency Currency ISO code (USD, EUR, etc).

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* @param string $thousands_sep Thousands separator.

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* @param string $decimal_sep Decimal separator.

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* @return string

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$amount = (string) apply_filters( 'wpforms_sanitize_amount_before', $amount, $currency, $thousands_sep, $decimal_sep );

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// Sanitize the amount.

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if ( $decimal_sep === ',' && strpos( $amount, $decimal_sep ) !== false ) {

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if ( ( $thousands_sep === '.' || $thousands_sep === ' ' ) && strpos( $amount, $thousands_sep ) !== false ) {

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$amount = str_replace( $thousands_sep, '', $amount );

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} elseif ( empty( $thousands_sep ) && strpos( $amount, '.' ) !== false ) {

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$amount = str_replace( '.', '', $amount );

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}

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$amount = str_replace( $decimal_sep, '.', $amount );

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} elseif ( $thousands_sep === ',' && strpos( $amount, $thousands_sep ) !== false ) {

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$amount = str_replace( $thousands_sep, '', $amount );

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}

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/**

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* Remove any characters that are not a digit, a decimal point, or a minus sign.

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* E is exponent notation. Float number can be written in the form 2E-13, which means 2 * 10^-13.

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* 0-9 is digits.

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* . is decimal point.

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* - is minus sign.

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$sanitized_amount = (string) preg_replace( '/[^E0-9.-]/', '', $amount );

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/**

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* Set correct currency decimals.

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* @since 1.6.6

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* @param int $decimals Default number of decimals.

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* @param string $sanitized_amount Price amount.

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$decimals = (int) apply_filters(

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'wpforms_sanitize_amount_decimals',

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wpforms_get_currency_decimals( $currency ),

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$sanitized_amount

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);

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/**

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* Filter the sanitized amount.

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* @since 1.8.9.4

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* @param string $sanitized_amount Sanitized price amount.

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* @param string $raw_amount Raw price amount.

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* @param string $currency Currency ISO code (USD, EUR, etc).

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* @param int $decimals Number of decimals.

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* @return string

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return (string) apply_filters(

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'wpforms_sanitize_amount',

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number_format( (float) $sanitized_amount, $decimals, '.', '' ),

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$raw_amount,

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$currency,

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$decimals

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);

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}

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/**

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* Return a nicely formatted amount.

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* @since 1.2.6

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* @param string $amount Price amount.

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* @param bool $symbol Currency symbol ($, €).

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* @param string $currency Currency ISO code (USD, EUR, etc).

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* @return string $amount Newly formatted amount or Price Not Available

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function wpforms_format_amount( $amount, $symbol = false, $currency = '' ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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if ( empty( $currency ) ) {

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$currency = wpforms_get_currency();

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}

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$currency = strtoupper( $currency );

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$currencies = wpforms_get_currencies();

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$thousands_sep = isset( $currencies[ $currency ]['thousands_separator'] ) ? $currencies[ $currency ]['thousands_separator'] : ',';

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$decimal_sep = isset( $currencies[ $currency ]['decimal_separator'] ) ? $currencies[ $currency ]['decimal_separator'] : '.';

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$sep_found = ! empty( $decimal_sep ) ? strpos( $amount, $decimal_sep ) : false;

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// Format the amount.

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if (

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$decimal_sep === ',' &&

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$sep_found !== false

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) {

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$whole = substr( $amount, 0, $sep_found );

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$part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) );

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$amount = $whole . '.' . $part;

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}

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// Strip "," (comma) from the amount (if set as the thousands' separator).

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if (

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$thousands_sep === ',' &&

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strpos( $amount, $thousands_sep ) !== false

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) {

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$amount = (float) str_replace( ',', '', $amount );

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}

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if ( empty( $amount ) ) {

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$amount = 0;

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}

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/** This filter is documented in wpforms_sanitize_amount function above. */

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$decimals = (int) apply_filters(

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'wpforms_sanitize_amount_decimals',

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wpforms_get_currency_decimals( $currency ),

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$amount

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);

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$number = number_format( (float) $amount, $decimals, $decimal_sep, $thousands_sep );

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// Display a symbol, if any.

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if ( $symbol && isset( $currencies[ $currency ]['symbol_pos'] ) ) {

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/**

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* Filter for currency symbol padding.

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* @since 1.2.6

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* @param string $symbol_padding Currency symbol padding.

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$symbol_padding = apply_filters( 'wpforms_currency_symbol_padding', ' ' );

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if ( $currencies[ $currency ]['symbol_pos'] === 'right' ) {

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$number .= $symbol_padding . $currencies[ $currency ]['symbol'];

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} else {

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$number = $currencies[ $currency ]['symbol'] . $number;

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}

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}

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return $number;

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}

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/**

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* Get default number of decimals for a given currency.

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* If not provided inside the currency, default value is used, which is 2.

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* @since 1.6.6

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* @param array|string $currency Currency data we are getting decimals for.

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* @return int

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function wpforms_get_currency_decimals( $currency ) {

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if ( is_string( $currency ) ) {

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$currencies = wpforms_get_currencies();

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$currency_code = strtoupper( $currency );

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$currency = isset( $currencies[ $currency_code ] ) ? $currencies[ $currency_code ] : [];

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}

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/**

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* Get currency decimals.

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* @since 1.6.6

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* @param int $decimals Default number of decimals.

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* @param array|string $currency Currency data we are getting decimals for.

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return (int) apply_filters(

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'wpforms_get_currency_decimals',

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isset( $currency['decimals'] ) ? $currency['decimals'] : 2,

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$currency

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);

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}

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/**

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* Get payments currency.

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* If the currency not available anymore 'USD' used as default.

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* @since 1.6.6

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* @return string

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function wpforms_get_currency() {

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$currency = wpforms_setting( 'currency' );

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$currencies = wpforms_get_currencies();

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/**

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* Get payments currency.

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* @since 1.6.6

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* @param string $currency Payments currency.

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* @param array $currencies Available currencies.

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return apply_filters(

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'wpforms_get_currency',

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isset( $currencies[ $currency ] ) ? $currency : 'USD',

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$currencies

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);

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}

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/**

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* Return recognized payment field types.

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* @since 1.0.0

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* @return array

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function wpforms_payment_fields() {

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/**

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* Filters the recognized payment field types.

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* @since 1.0.0

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* @param array $fields Payment field types.

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return (array) apply_filters(

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'wpforms_payment_fields',

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[ 'payment-single', 'payment-multiple', 'payment-checkbox', 'payment-select' ]

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);

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}

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/**

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* Check if form or entry contains payment.

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* @since 1.0.0

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* @param string $type Either 'entry' or 'form'.

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* @param array $data List of form fields.

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* @return bool

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function wpforms_has_payment( $type = 'entry', $data = [] ) {

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$payment = false;

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$payment_fields = wpforms_payment_fields();

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if ( ! empty( $data['fields'] ) ) {

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$data = $data['fields'];

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}

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if ( empty( $data ) ) {

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return false;

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}

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foreach ( $data as $field ) {

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if ( isset( $field['type'] ) && in_array( $field['type'], $payment_fields, true ) ) {

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