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run code in 300+ PHP versions simultaneously
<?php // define( 'WP_ADMIN', true ); // Most likely front-end scenario. function is_admin() { if ( isset( $GLOBALS['current_screen'] ) ) { return $GLOBALS['current_screen']->in_admin(); } elseif ( defined( 'WP_ADMIN' ) ) { return WP_ADMIN; } return false; } function wp_is_json_request() { if ( isset( $_SERVER['HTTP_ACCEPT'] ) && wp_is_json_media_type( $_SERVER['HTTP_ACCEPT'] ) ) { return true; } if ( isset( $_SERVER['CONTENT_TYPE'] ) && wp_is_json_media_type( $_SERVER['CONTENT_TYPE'] ) ) { return true; } return false; } function is_multisite() { if ( defined( 'MULTISITE' ) ) { return MULTISITE; } if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) { return true; } return false; } function get_option( $what ) { switch ( $what ) : case 'WPLANG': return 'en_US'; endswitch; return false; } 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 ); } function get_user_locale( $user = 0 ) { $user_object = false; if ( 0 === $user && function_exists( 'wp_get_current_user' ) ) { $user_object = wp_get_current_user(); } elseif ( $user instanceof WP_User ) { $user_object = $user; } elseif ( $user && is_numeric( $user ) ) { $user_object = get_user_by( 'id', $user ); } if ( ! $user_object ) { return get_locale(); } $locale = $user_object->locale; return $locale ? $locale : get_locale(); } function apply_filters( $a, $b ) { return $b; } function sanitize_locale_name( $a ) { // Limit to A-Z, a-z, 0-9, '_', '-'. $sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $locale_name ); /** * Filters a sanitized locale name string. * * @since 6.2.1 * * @param string $sanitized The sanitized locale name. * @param string $locale_name The locale name before sanitization. */ return apply_filters( 'sanitize_locale_name', $sanitized, $locale_name ); } 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'] ); } } elseif ( is_admin() || ( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() ) ) { $determined_locale = get_user_locale(); } if ( ! $determined_locale ) { $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 ) );
Output for 8.3.7
current: 0.021952533s proposed: 0.019794652s Proposed is 1.11x faster
Output for 8.3.6
current: 0.025706502s proposed: 0.019287868s Proposed is 1.33x faster
Output for 8.3.5
current: 0.02550544s proposed: 0.023777287s Proposed is 1.07x faster
Output for 8.3.4
current: 0.031671405s proposed: 0.025859435s Proposed is 1.22x faster
Output for 8.3.3
current: 0.021047158s proposed: 0.01948743s Proposed is 1.08x faster
Output for 8.3.2
current: 0.011224185s proposed: 0.011050543s Proposed is 1.02x faster
Output for 8.3.1
current: 0.021107013s proposed: 0.010763428s Proposed is 1.96x faster
Output for 8.3.0
current: 0.026375693s proposed: 0.011164524s Proposed is 2.36x faster
Output for 8.2.19
current: 0.020480438s proposed: 0.018707265s Proposed is 1.09x faster
Output for 8.2.18
current: 0.025080512s proposed: 0.019444526s Proposed is 1.29x faster
Output for 8.2.17
current: 0.021531747s proposed: 0.020131472s Proposed is 1.07x faster
Output for 8.2.16
current: 0.021223529s proposed: 0.019350951s Proposed is 1.10x faster
Output for 8.2.15
current: 0.011259096s proposed: 0.010552723s Proposed is 1.07x faster
Output for 8.2.14
current: 0.023353718s proposed: 0.01996727s Proposed is 1.17x faster
Output for 8.2.13
current: 0.011177617s proposed: 0.010690693s Proposed is 1.05x faster
Output for 8.2.12
current: 0.014828829s proposed: 0.015682575s Proposed is 0.95x faster
Output for 8.2.11
current: 0.020216079s proposed: 0.019006291s Proposed is 1.06x faster
Output for 8.2.10
current: 0.020922105s proposed: 0.016584563s Proposed is 1.26x faster
Output for 8.2.9
current: 0.016688182s proposed: 0.015679131s Proposed is 1.06x faster
Output for 8.2.8
current: 0.019113053s proposed: 0.015774843s Proposed is 1.21x faster
Output for 8.2.7
current: 0.01704093s proposed: 0.015622527s Proposed is 1.09x faster
Output for 8.2.6
current: 0.017364199s proposed: 0.016144721s Proposed is 1.08x faster
Output for 8.2.5
current: 0.016860269s proposed: 0.015945876s Proposed is 1.06x faster
Output for 8.2.4
current: 0.016218671s proposed: 0.015446875s Proposed is 1.05x faster
Output for 8.2.3
current: 0.016362321s proposed: 0.015573836s Proposed is 1.05x faster
Output for 8.2.2
current: 0.016477008s proposed: 0.015702087s Proposed is 1.05x faster
Output for 8.2.1
current: 0.016683647s proposed: 0.01616009s Proposed is 1.03x faster
Output for 8.2.0
current: 0.016951892s proposed: 0.015808938s Proposed is 1.07x faster
Output for 8.1.28
current: 0.031878992s proposed: 0.030667757s Proposed is 1.04x faster
Output for 8.1.27
current: 0.012195456s proposed: 0.011483664s Proposed is 1.06x faster
Output for 8.1.26
current: 0.011287297s proposed: 0.011589331s Proposed is 0.97x faster
Output for 8.1.25
current: 0.011531124s proposed: 0.010961524s Proposed is 1.05x faster
Output for 8.1.24
current: 0.020713813s proposed: 0.019582812s Proposed is 1.06x faster
Output for 8.1.23
current: 0.013859128s proposed: 0.012779015s Proposed is 1.08x faster
Output for 8.1.22
current: 0.015749252s proposed: 0.015073549s Proposed is 1.04x faster
Output for 8.1.21
current: 0.014628873s proposed: 0.013509144s Proposed is 1.08x faster
Output for 8.1.20
current: 0.015692549s proposed: 0.014823102s Proposed is 1.06x faster
Output for 8.1.19
current: 0.018473799s proposed: 0.014432946s Proposed is 1.28x faster
Output for 8.1.18
current: 0.016569192s proposed: 0.015758393s Proposed is 1.05x faster
Output for 8.1.17
current: 0.016587245s proposed: 0.015452167s Proposed is 1.07x faster
Output for 8.1.16
current: 0.017091576s proposed: 0.016687122s Proposed is 1.02x faster
Output for 8.1.15
current: 0.015460202s proposed: 0.014399763s Proposed is 1.07x faster
Output for 8.1.14
current: 0.015805702s proposed: 0.014954689s Proposed is 1.06x faster
Output for 8.1.13
current: 0.016065081s proposed: 0.014996376s Proposed is 1.07x faster
Output for 8.1.12
current: 0.015277196s proposed: 0.01481208s Proposed is 1.03x faster
Output for 8.1.11
current: 0.015738776s proposed: 0.014953808s Proposed is 1.05x faster
Output for 8.1.10
current: 0.015943291s proposed: 0.015053665s Proposed is 1.06x faster
Output for 8.1.9
current: 0.015388486s proposed: 0.015320928s Proposed is 1.00x faster
Output for 8.1.8
current: 0.015562846s proposed: 0.014774961s Proposed is 1.05x faster
Output for 8.1.7
current: 0.0155972s proposed: 0.014793255s Proposed is 1.05x faster
Output for 8.1.6
current: 0.015637346s proposed: 0.014579732s Proposed is 1.07x faster
Output for 8.1.5
current: 0.015764154s proposed: 0.014857065s Proposed is 1.06x faster
Output for 8.1.4
current: 0.015887026s proposed: 0.014340581s Proposed is 1.11x faster
Output for 8.1.3
current: 0.015431658s proposed: 0.014539385s Proposed is 1.06x faster
Output for 8.1.2
current: 0.01630866s proposed: 0.015617218s Proposed is 1.04x faster
Output for 8.1.1
current: 0.016018053s proposed: 0.015117887s Proposed is 1.06x faster
Output for 8.1.0
current: 0.015809249s proposed: 0.01571954s Proposed is 1.01x faster
Output for 8.0.30
current: 0.01655803s proposed: 0.015175334s Proposed is 1.09x faster
Output for 8.0.29
current: 0.017517388s proposed: 0.017393915s Proposed is 1.01x faster
Output for 8.0.28
current: 0.018525567s proposed: 0.01828883s Proposed is 1.01x faster
Output for 8.0.27
current: 0.017658453s proposed: 0.017747852s Proposed is 0.99x faster
Output for 8.0.26
current: 0.018624754s proposed: 0.018164778s Proposed is 1.03x faster
Output for 8.0.25
current: 0.01776762s proposed: 0.017882626s Proposed is 0.99x faster
Output for 8.0.24
current: 0.017692217s proposed: 0.018337564s Proposed is 0.96x faster
Output for 8.0.23
current: 0.018400762s proposed: 0.018222577s Proposed is 1.01x faster
Output for 8.0.22
current: 0.018329297s proposed: 0.017844924s Proposed is 1.03x faster
Output for 8.0.21
current: 0.017984278s proposed: 0.01750823s Proposed is 1.03x faster
Output for 8.0.20
current: 0.018960347s proposed: 0.018091188s Proposed is 1.05x faster
Output for 8.0.19
current: 0.018759458s proposed: 0.018283912s Proposed is 1.03x faster
Output for 8.0.18
current: 0.019211359s proposed: 0.019053292s Proposed is 1.01x faster
Output for 8.0.17
current: 0.018265867s proposed: 0.018715065s Proposed is 0.98x faster
Output for 8.0.16
current: 0.018221665s proposed: 0.017731591s Proposed is 1.03x faster
Output for 8.0.15
current: 0.018683345s proposed: 0.018084677s Proposed is 1.03x faster
Output for 8.0.14
current: 0.017291873s proposed: 0.016975968s Proposed is 1.02x faster
Output for 8.0.13
current: 0.018569661s proposed: 0.017286212s Proposed is 1.07x faster
Output for 8.0.12
current: 0.017742532s proposed: 0.016588708s Proposed is 1.07x faster
Output for 8.0.11
current: 0.018554081s proposed: 0.017224936s Proposed is 1.08x faster
Output for 8.0.10
current: 0.018649701s proposed: 0.017531073s Proposed is 1.06x faster
Output for 8.0.9
current: 0.017996852s proposed: 0.017420966s Proposed is 1.03x faster
Output for 8.0.8
current: 0.017915909s proposed: 0.017277035s Proposed is 1.04x faster
Output for 8.0.7
current: 0.018170929s proposed: 0.018985344s Proposed is 0.96x faster
Output for 8.0.6
current: 0.017538307s proposed: 0.017405306s Proposed is 1.01x faster
Output for 8.0.5
current: 0.018177452s proposed: 0.017368747s Proposed is 1.05x faster
Output for 8.0.3
current: 0.017876053s proposed: 0.01707291s Proposed is 1.05x faster
Output for 8.0.2
current: 0.018634432s proposed: 0.017662071s Proposed is 1.06x faster
Output for 8.0.1
current: 0.017471221s proposed: 0.016788624s Proposed is 1.04x faster

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