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фильтр не описан

woocommerce_email_footer_text хук-фильтр . WC 1.0

Использование

add_filter( 'woocommerce_email_footer_text', 'filter_function_name_1836' );
function filter_function_name_1836( $option ){
	// filter...

	return $option;
}
$option
-

Где вызывается хук

В файле: /templates/emails/email-footer.php
woocommerce_email_footer_text
woocommerce/templates/emails/email-footer.php 43
<?php echo wp_kses_post( wpautop( wptexturize( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) ) ) ); ?>
woocommerce/templates/emails/plain/customer-completed-order.php 60
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-refunded-order.php 65
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-reset-password.php 43
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-on-hold-order.php 59
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/admin-failed-order.php 58
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-new-account.php 44
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-processing-order.php 60
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-note.php 67
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/customer-invoice.php 79
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/admin-new-order.php 58
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );
woocommerce/templates/emails/plain/admin-cancelled-order.php 58
echo wp_kses_post( apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) ) );

Где используется хук (в ядре WC)

includes/class-wc-emails.php 204
add_filter( 'woocommerce_email_footer_text', array( $this, 'replace_placeholders' ) );