Add a custom currency / symbol

wc-add-currency-symbol.php

/**
 * Custom currency and currency symbol
 */
add_filter( 'woocommerce_currencies', 'add_my_currency' );

function add_my_currency( $currencies ) {
     $currencies['ABC'] = __( 'Currency name', 'woocommerce' );
     return $currencies;
}

add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);

function add_my_currency_symbol( $currency_symbol, $currency ) {
     switch( $currency ) {
          case 'ABC': $currency_symbol = '$'; break;
     }
     return $currency_symbol;
}

/**

• Change a currency symbol BHD
  */
  add_filter('woocommerce_currency_symbol', 'bhd_custom_currency_symbol', 10, 2) ;

function bhd_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'BHD': $currency_symbol = 'BHD';
break;
}
return $currency_symbol;
}
/**

• Change a currency symbol AED
  */
  add_filter('woocommerce_currency_symbol', 'aed_custom_currency_symbol', 10, 2);

function aed_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'AED': $currency_symbol = 'AED'; break;
}
return $currency_symbol;
}

/**

• Change a currency symbol SAR
  */
  add_filter('woocommerce_currency_symbol', 'sar_custom_currency_symbol', 10, 2);

function sar_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'SAR': $currency_symbol = 'SAR'; break;
}
return $currency_symbol;
}

/**

• Change a currency symbol OMR
  */
  add_filter('woocommerce_currency_symbol', 'omr_custom_currency_symbol', 10, 2);

function omr_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'OMR': $currency_symbol = 'OMR'; break;
}
return $currency_symbol;
}

/**

• Change a currency symbol KWD
  */
  add_filter('woocommerce_currency_symbol', 'kwd_custom_currency_symbol', 10, 2);

function kwd_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'KWD': $currency_symbol = 'KWD'; break;
}
return $currency_symbol;
}

/**

• Change a currency symbol QAR
  */
  add_filter('woocommerce_currency_symbol', 'qar_custom_currency_symbol', 10, 2);

function qar_custom_currency_symbol( $currency_symbol, $currency ) {
switch( $currency ) {
case 'QAR': $currency_symbol = 'QAR'; break;
}
return $currency_symbol;
}