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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: 0.039334143s proposed: 0.027523937s Proposed is 1.43x faster
Output for 8.3.6
current: 0.030772777s proposed: 0.027272463s Proposed is 1.13x faster
Output for 8.3.5
current: 0.029809981s proposed: 0.023779627s Proposed is 1.25x faster
Output for 8.3.4
current: 0.027215945s proposed: 0.025387015s Proposed is 1.07x faster
Output for 8.3.3
current: 0.026900708s proposed: 0.025037624s Proposed is 1.07x faster
Output for 8.3.2
current: 0.030451458s proposed: 0.02362552s Proposed is 1.29x faster
Output for 8.3.1
current: 0.028977032s proposed: 0.013216852s Proposed is 2.19x faster
Output for 8.3.0
current: 0.032636037s proposed: 0.013284958s Proposed is 2.46x faster
Output for 8.2.19
current: 0.032427434s proposed: 0.025333863s Proposed is 1.28x faster
Output for 8.2.18
current: 0.033996814s proposed: 0.028263454s Proposed is 1.20x faster
Output for 8.2.17
current: 0.028829571s proposed: 0.026419087s Proposed is 1.09x faster
Output for 8.2.16
current: 0.026793634s proposed: 0.024647738s Proposed is 1.09x faster
Output for 8.2.15
current: 0.014422456s proposed: 0.013513718s Proposed is 1.07x faster
Output for 8.2.14
current: 0.015832646s proposed: 0.013785753s Proposed is 1.15x faster
Output for 8.2.13
current: 0.015152322s proposed: 0.013445824s Proposed is 1.13x faster
Output for 8.2.12
current: 0.015521242s proposed: 0.013410473s Proposed is 1.16x faster
Output for 8.2.11
current: 0.024039961s proposed: 0.022654377s Proposed is 1.06x faster
Output for 8.2.10
current: 0.027587785s proposed: 0.024949152s Proposed is 1.11x faster
Output for 8.2.9
current: 0.02493492s proposed: 0.025064304s Proposed is 0.99x faster
Output for 8.2.8
current: 0.022728885s proposed: 0.021543141s Proposed is 1.06x faster
Output for 8.2.7
current: 0.024229065s proposed: 0.022167389s Proposed is 1.09x faster
Output for 8.2.6
current: 0.024623166s proposed: 0.026250794s Proposed is 0.94x faster
Output for 8.2.5
current: 0.023252233s proposed: 0.022094982s Proposed is 1.05x faster
Output for 8.2.4
current: 0.022629451s proposed: 0.0237175s Proposed is 0.95x faster
Output for 8.2.3
current: 0.023972031s proposed: 0.022811353s Proposed is 1.05x faster
Output for 8.2.2
current: 0.022989217s proposed: 0.021301127s Proposed is 1.08x faster
Output for 8.2.1
current: 0.022703119s proposed: 0.021652659s Proposed is 1.05x faster
Output for 8.2.0
current: 0.022811092s proposed: 0.021917278s Proposed is 1.04x faster
Output for 8.1.28
current: 0.027410508s proposed: 0.025250135s Proposed is 1.09x faster
Output for 8.1.27
current: 0.018979721s proposed: 0.020000679s Proposed is 0.95x faster
Output for 8.1.26
current: 0.015460651s proposed: 0.013976647s Proposed is 1.11x faster
Output for 8.1.25
current: 0.031077243s proposed: 0.013545999s Proposed is 2.29x faster
Output for 8.1.24
current: 0.02421742s proposed: 0.023067561s Proposed is 1.05x faster
Output for 8.1.23
current: 0.018423715s proposed: 0.017311053s Proposed is 1.06x faster
Output for 8.1.22
current: 0.021829737s proposed: 0.021543109s Proposed is 1.01x faster
Output for 8.1.21
current: 0.020996596s proposed: 0.019732846s Proposed is 1.06x faster
Output for 8.1.20
current: 0.02105855s proposed: 0.019853059s Proposed is 1.06x faster
Output for 8.1.19
current: 0.021062117s proposed: 0.01918995s Proposed is 1.10x faster
Output for 8.1.18
current: 0.022806765s proposed: 0.022175133s Proposed is 1.03x faster
Output for 8.1.17
current: 0.022440454s proposed: 0.021838751s Proposed is 1.03x faster
Output for 8.1.16
current: 0.022203186s proposed: 0.02187602s Proposed is 1.01x faster
Output for 8.1.15
current: 0.022727786s proposed: 0.021595181s Proposed is 1.05x faster
Output for 8.1.14
current: 0.021569202s proposed: 0.021072647s Proposed is 1.02x faster
Output for 8.1.13
current: 0.021539124s proposed: 0.020855408s Proposed is 1.03x faster
Output for 8.1.12
current: 0.021274367s proposed: 0.020759076s Proposed is 1.02x faster
Output for 8.1.11
current: 0.021781262s proposed: 0.020913757s Proposed is 1.04x faster
Output for 8.1.10
current: 0.020933434s proposed: 0.019670565s Proposed is 1.06x faster
Output for 8.1.9
current: 0.021834632s proposed: 0.021259649s Proposed is 1.03x faster
Output for 8.1.8
current: 0.02146712s proposed: 0.021991237s Proposed is 0.98x faster
Output for 8.1.7
current: 0.022509814s proposed: 0.021305356s Proposed is 1.06x faster
Output for 8.1.6
current: 0.021848428s proposed: 0.02149955s Proposed is 1.02x faster
Output for 8.1.5
current: 0.021734344s proposed: 0.020916232s Proposed is 1.04x faster
Output for 8.1.4
current: 0.022377215s proposed: 0.022428561s Proposed is 1.00x faster
Output for 8.1.3
current: 0.021445309s proposed: 0.020192378s Proposed is 1.06x faster
Output for 8.1.2
current: 0.021732941s proposed: 0.020908116s Proposed is 1.04x faster
Output for 8.1.1
current: 0.022472605s proposed: 0.021378593s Proposed is 1.05x faster
Output for 8.1.0
current: 0.022292325s proposed: 0.020774555s Proposed is 1.07x faster
Output for 8.0.30
current: 0.021878514s proposed: 0.021434218s Proposed is 1.02x faster
Output for 8.0.29
current: 0.025151372s proposed: 0.024710403s Proposed is 1.02x faster
Output for 8.0.28
current: 0.025592183s proposed: 0.025385673s Proposed is 1.01x faster
Output for 8.0.27
current: 0.025088254s proposed: 0.02494312s Proposed is 1.01x faster
Output for 8.0.26
current: 0.025886598s proposed: 0.025820112s Proposed is 1.00x faster
Output for 8.0.25
current: 0.025991536s proposed: 0.024682289s Proposed is 1.05x faster
Output for 8.0.24
current: 0.023415161s proposed: 0.023632379s Proposed is 0.99x faster
Output for 8.0.23
current: 0.024393876s proposed: 0.023442131s Proposed is 1.04x faster
Output for 8.0.22
current: 0.024819728s proposed: 0.024017606s Proposed is 1.03x faster
Output for 8.0.21
current: 0.024702445s proposed: 0.023495292s Proposed is 1.05x faster
Output for 8.0.20
current: 0.025498335s proposed: 0.024212123s Proposed is 1.05x faster
Output for 8.0.19
current: 0.025071861s proposed: 0.024320517s Proposed is 1.03x faster
Output for 8.0.18
current: 0.026633655s proposed: 0.025818159s Proposed is 1.03x faster
Output for 8.0.17
current: 0.024663311s proposed: 0.024395599s Proposed is 1.01x faster
Output for 8.0.16
current: 0.026173087s proposed: 0.024306731s Proposed is 1.08x faster
Output for 8.0.15
current: 0.025041696s proposed: 0.024479717s Proposed is 1.02x faster
Output for 8.0.14
current: 0.024348919s proposed: 0.023497575s Proposed is 1.04x faster
Output for 8.0.13
current: 0.025024513s proposed: 0.02318601s Proposed is 1.08x faster
Output for 8.0.12
current: 0.023969596s proposed: 0.023786039s Proposed is 1.01x faster
Output for 8.0.11
current: 0.023944598s proposed: 0.023752407s Proposed is 1.01x faster
Output for 8.0.10
current: 0.025528564s proposed: 0.024487421s Proposed is 1.04x faster
Output for 8.0.9
current: 0.025237966s proposed: 0.026141458s Proposed is 0.97x faster
Output for 8.0.8
current: 0.028736156s proposed: 0.025614615s Proposed is 1.12x faster
Output for 8.0.7
current: 0.027996834s proposed: 0.026865732s Proposed is 1.04x faster
Output for 8.0.6
current: 0.027040162s proposed: 0.025199964s Proposed is 1.07x faster
Output for 8.0.5
current: 0.025747365s proposed: 0.024339493s Proposed is 1.06x faster
Output for 8.0.3
current: 0.025448391s proposed: 0.024204869s Proposed is 1.05x faster
Output for 8.0.2
current: 0.028626149s proposed: 0.026378013s Proposed is 1.09x faster
Output for 8.0.1
current: 0.024081326s proposed: 0.025323296s Proposed is 0.95x faster

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