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Description

Retrieves the current locale.

If the locale is set, then it will filter the locale in the localelocale filter hook and return the value. If the locale is not set already, then the WPLANG constant is used if it is defined. Then it is filtered through the localelocale filter hook and the value for the locale global set and the locale is returned. The process to get the locale should only be done once, but the locale will always be filtered using the localelocale hook.

Usage

$string = get_locale();

Parameters

Returns

string The locale of the blog or from the localelocale hook.

Source

File name: wordpress/wp-includes/l10n.php
Lines:

function get_locale() {
  global $locale, $wp_local_package;

  if ( isset( $locale ) ) {
    
/** This filter is documented in wp-includes/l10n.php */
    return apply_filters( 'locale', $locale );
  }

  if ( isset( $wp_local_package ) ) {
    $locale = $wp_local_package;
  }

  // WPLANG was defined in wp-config.
  if ( defined( 'WPLANG' ) ) {
    $locale = WPLANG;
  }

  // If multisite, check options.
  if ( is_multisite() ) {
    // Don't check blog option when installing.
    if ( wp_installing() ) {
      $ms_locale = get_site_option( 'WPLANG' );
    } else {
      $ms_locale = get_option( 'WPLANG' );
      if ( false === $ms_locale ) {
        $ms_locale = get_site_option( 'WPLANG' );
      }
    }

    if ( false !== $ms_locale ) {
      $locale = $ms_locale;
    }
  } else {
    $db_locale = get_option( 'WPLANG' );
    if ( false !== $db_locale ) {
      $locale = $db_locale;
    }
  }

  if ( empty( $locale ) ) {
    $locale = 'en_US';
  }

  
/**
 * Filters the locale ID of the WordPress installation.
 *
 * @since 1.5.0
 *
 * @param string $locale The locale ID.
 */
  return apply_filters( 'locale', $locale );
}
 

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