Online PHP editor | rfc for NNkoU

<?php // Most likely front-end scenario. function is_admin() { return true; } 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_text_field( $a ) { return $a; } function determine_locale() { /** * 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 ( ! empty( $determined_locale ) && is_string( $determined_locale ) ) { return $determined_locale; } $determined_locale = get_locale(); if ( is_admin() ) { $determined_locale = get_user_locale(); } if ( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() ) { $determined_locale = get_user_locale(); } $wp_lang = ''; if ( ! empty( $_GET['wp_lang'] ) ) { $wp_lang = sanitize_text_field( $_GET['wp_lang'] ); } elseif ( ! empty( $_COOKIE['wp_lang'] ) ) { $wp_lang = sanitize_text_field( $_COOKIE['wp_lang'] ); } if ( ! empty( $wp_lang ) && ! empty( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) { $determined_locale = $wp_lang; } /** * 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(); function determine_locale_new() { /** * 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_text_field( $_GET['wp_lang'] ) ?: $determined_locale; } elseif ( ! empty( $_COOKIE['wp_lang'] ) ) { $determined_locale = sanitize_text_field( $_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 ); } $its = 1e5; $t = hrtime(true); for ( $i = 0; $i++ < $its; ) determine_locale(); echo 'old: ', $old = ( hrtime(true)-$t ) / 1e9, "s\n"; $t = hrtime(true); for ( $i = 0; $i++ < $its; ) determine_locale_new(); echo 'new: ', $new = ( hrtime(true)-$t ) / 1e9, "s\n\n"; printf( 'New is %sx faster', number_format( $old / $new, 2 ) );

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