<?php
// Most likely front-end scenario.
function is_admin() {
return false;
}
function wp_is_json_request() {
return false;
}
function get_locale() {
return 'en_US';
}
function get_user_locale() {
return 'en_US';
}
function apply_filters( $a, $b ) {
return $b;
}
function sanitize_locale_name( $a ) {
return $a;
}
function determine_locale_actual() {
/**
* Filters the locale for the current request prior to the default determination process.
*
* Using this filter allows to override the default logic, effectively short-circuiting the function.
*
* @since 5.0.0
*
* @param string|null $locale The locale to return and short-circuit. Default null.
*/
$determined_locale = apply_filters( 'pre_determine_locale', null );
if ( $determined_locale && is_string( $determined_locale ) ) {
return $determined_locale;
}
if (
isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] &&
( ! empty( $_GET['wp_lang'] ) || ! empty( $_COOKIE['wp_lang'] ) )
) {
if ( ! empty( $_GET['wp_lang'] ) ) {
$determined_locale = sanitize_locale_name( $_GET['wp_lang'] );
} else {
$determined_locale = sanitize_locale_name( $_COOKIE['wp_lang'] );
}
} else if (
( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() ) || is_admin()
) {
$determined_locale = get_user_locale();
} else {
$determined_locale = get_locale();
}
/**
* Filters the locale for the current request.
*
* @since 5.0.0
*
* @param string $locale The locale.
*/
return apply_filters( 'determine_locale', $determined_locale );
}
function determine_locale_proposed() {
/**
* Filters the locale for the current request prior to the default determination process.
*
* Using this filter allows to override the default logic, effectively short-circuiting the function.
*
* @since 5.0.0
*
* @param string|null $locale The locale to return and short-circuit. Default null.
*/
$determined_locale = apply_filters( 'pre_determine_locale', null );
if ( $determined_locale && is_string( $determined_locale ) ) {
return $determined_locale;
}
if (
is_admin()
|| ( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() )
) {
$determined_locale = get_user_locale();
} else {
$determined_locale = get_locale();
}
if ( isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) {
if ( ! empty( $_GET['wp_lang'] ) ) {
$determined_locale = sanitize_locale_name( $_GET['wp_lang'] ) ?: $determined_locale;
} elseif ( ! empty( $_COOKIE['wp_lang'] ) ) {
$determined_locale = sanitize_locale_name( $_COOKIE['wp_lang'] ) ?: $determined_locale;
}
}
/**
* Filters the locale for the current request.
*
* @since 5.0.0
*
* @param string $locale The locale.
*/
return apply_filters( 'determine_locale', $determined_locale );
}
determine_locale_actual();
determine_locale_proposed();
$its = 1e5;
$t = hrtime(true);
for ( $i = 0; $i++ < $its; )
determine_locale_actual();
echo 'current: ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";
$t = hrtime(true);
for ( $i = 0; $i++ < $its; )
determine_locale_proposed();
echo 'proposed: ', $new = ( hrtime(true)-$t ) / 1e9, "s\n\n";
printf( 'Proposed is %sx faster', number_format( $old / $new, 2 ) );
preferences:
29.76 ms | 406 KiB | 5 Q