Online PHP editor | perf 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 ) );

Version	System time (s)	User time (s)	Memory (MiB)
8.4.1	0.010	0.019	22.13
8.3.14	0.010	0.044	17.27
8.3.13	0.007	0.020	18.28
8.3.12	0.007	0.027	19.16
8.3.11	0.006	0.029	20.94
8.3.10	0.006	0.022	24.06
8.3.9	0.000	0.028	26.77
8.3.8	0.003	0.049	18.15
8.3.7	0.003	0.050	16.75
8.3.6	0.014	0.051	18.24
8.3.5	0.003	0.059	16.74
8.3.4	0.007	0.044	23.79
8.3.3	0.007	0.046	18.80
8.3.2	0.003	0.036	24.18
8.3.1	0.007	0.021	24.66
8.3.0	0.009	0.018	26.16
8.2.26	0.007	0.020	18.96
8.2.25	0.013	0.019	18.27
8.2.24	0.007	0.020	18.88
8.2.23	0.007	0.042	22.58
8.2.22	0.000	0.028	37.54
8.2.21	0.007	0.053	26.77
8.2.20	0.010	0.026	16.63
8.2.19	0.010	0.062	16.58
8.2.18	0.013	0.036	16.50
8.2.17	0.013	0.046	19.09
8.2.16	0.013	0.039	22.96
8.2.15	0.016	0.032	25.66
8.2.14	0.012	0.015	24.66
8.2.13	0.003	0.023	26.16
8.2.12	0.007	0.024	17.91
8.2.11	0.003	0.040	22.38
8.2.10	0.007	0.031	17.72
8.2.9	0.010	0.036	19.20
8.2.8	0.009	0.030	17.97
8.2.7	0.000	0.034	17.75
8.2.6	0.014	0.034	17.75
8.2.5	0.014	0.032	17.63
8.2.4	0.019	0.026	17.63
8.2.3	0.010	0.038	17.38
8.2.2	0.007	0.036	17.50
8.2.1	0.004	0.040	17.50
8.2.0	0.015	0.030	17.50
8.1.31	0.003	0.026	16.41
8.1.30	0.000	0.027	17.67
8.1.29	0.006	0.028	18.88
8.1.28	0.020	0.040	25.92
8.1.27	0.000	0.027	23.96
8.1.26	0.003	0.024	26.35
8.1.25	0.007	0.020	28.09
8.1.24	0.003	0.044	22.16
8.1.23	0.010	0.024	22.66
8.1.22	0.006	0.026	17.91
8.1.21	0.003	0.029	18.77
8.1.20	0.000	0.033	17.23
8.1.19	0.015	0.034	16.98
8.1.18	0.015	0.030	17.25
8.1.17	0.007	0.037	16.97
8.1.16	0.013	0.029	17.38
8.1.15	0.004	0.037	17.13
8.1.14	0.016	0.026	17.25
8.1.13	0.008	0.034	17.21
8.1.12	0.007	0.036	17.22
8.1.11	0.015	0.029	17.36
8.1.10	0.011	0.030	17.47
8.1.9	0.007	0.034	17.38
8.1.8	0.015	0.030	17.11
8.1.7	0.017	0.028	17.13
8.1.6	0.009	0.033	17.50
8.1.5	0.019	0.022	17.34
8.1.4	0.017	0.026	17.38
8.1.3	0.018	0.027	17.35
8.1.2	0.007	0.037	17.50
8.1.1	0.007	0.036	17.22
8.1.0	0.020	0.023	17.38
8.0.30	0.000	0.033	19.87
8.0.29	0.003	0.031	16.88
8.0.28	0.007	0.036	16.63
8.0.27	0.017	0.028	16.61
8.0.26	0.010	0.034	16.75
8.0.25	0.017	0.026	16.61
8.0.24	0.013	0.032	16.63
8.0.23	0.007	0.038	16.75
8.0.22	0.011	0.036	16.59
8.0.21	0.009	0.035	16.63
8.0.20	0.014	0.032	16.75
8.0.19	0.006	0.038	16.87
8.0.18	0.015	0.033	16.63
8.0.17	0.007	0.037	16.71
8.0.16	0.015	0.029	16.60
8.0.15	0.019	0.025	16.61
8.0.14	0.016	0.025	16.75
8.0.13	0.015	0.027	16.75
8.0.12	0.014	0.028	16.63
8.0.11	0.004	0.038	16.63
8.0.10	0.012	0.031	16.52
8.0.9	0.017	0.026	16.75
8.0.8	0.011	0.032	16.63
8.0.7	0.013	0.029	16.75
8.0.6	0.014	0.031	16.52
8.0.5	0.013	0.030	16.63
8.0.3	0.008	0.035	16.52
8.0.2	0.014	0.029	16.85
8.0.1	0.011	0.031	16.74