Online PHP editor | perf for 9PsqQ

<?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_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	0.013	0.032	21.99
8.3.14	0.003	0.024	19.11
8.3.13	0.000	0.030	18.50
8.3.12	0.006	0.022	19.19
8.3.11	0.009	0.019	20.94
8.3.10	0.003	0.024	24.06
8.3.9	0.007	0.020	18.33
8.3.8	0.003	0.032	17.97
8.3.7	0.013	0.044	16.75
8.3.6	0.010	0.056	18.31
8.3.5	0.010	0.057	16.84
8.3.4	0.003	0.049	23.79
8.3.3	0.016	0.036	18.98
8.3.2	0.003	0.024	24.18
8.3.1	0.010	0.048	24.66
8.3.0	0.010	0.025	26.16
8.2.26	0.003	0.023	16.50
8.2.25	0.013	0.042	18.19
8.2.24	0.006	0.023	18.62
8.2.23	0.003	0.024	22.58
8.2.22	0.003	0.026	37.54
8.2.21	0.013	0.029	26.77
8.2.20	0.010	0.036	16.50
8.2.19	0.010	0.039	16.75
8.2.18	0.010	0.051	16.35
8.2.17	0.016	0.052	18.92
8.2.16	0.010	0.042	22.96
8.2.15	0.006	0.035	25.66
8.2.14	0.000	0.028	24.66
8.2.13	0.003	0.024	26.16
8.2.12	0.000	0.034	17.93
8.2.11	0.006	0.039	20.46
8.2.10	0.011	0.029	17.91
8.2.9	0.007	0.030	17.97
8.2.8	0.009	0.025	18.03
8.2.7	0.006	0.029	17.63
8.2.6	0.015	0.038	17.29
8.2.5	0.008	0.048	17.50
8.2.4	0.015	0.035	17.38
8.2.3	0.010	0.040	17.50
8.2.2	0.019	0.032	17.75
8.2.1	0.016	0.033	17.50
8.2.0	0.006	0.040	17.25
8.1.31	0.010	0.054	15.87
8.1.30	0.003	0.025	18.65
8.1.29	0.010	0.036	18.88
8.1.28	0.007	0.047	25.92
8.1.27	0.000	0.029	24.66
8.1.26	0.007	0.021	26.35
8.1.25	0.007	0.021	28.09
8.1.24	0.000	0.046	22.30
8.1.23	0.003	0.031	22.09
8.1.22	0.000	0.034	17.78
8.1.21	0.003	0.030	19.04
8.1.20	0.007	0.028	17.00
8.1.19	0.016	0.031	17.00
8.1.18	0.022	0.025	16.97
8.1.17	0.013	0.032	17.25
8.1.16	0.008	0.034	17.35
8.1.15	0.013	0.029	17.13
8.1.14	0.010	0.031	17.00
8.1.13	0.011	0.032	17.38
8.1.12	0.012	0.032	17.38
8.1.11	0.014	0.029	17.25
8.1.10	0.007	0.035	17.38
8.1.9	0.010	0.032	17.23
8.1.8	0.018	0.029	17.13
8.1.7	0.014	0.029	17.50
8.1.6	0.018	0.027	17.38
8.1.5	0.014	0.031	17.38
8.1.4	0.011	0.033	17.35
8.1.3	0.017	0.028	17.25
8.1.2	0.010	0.035	17.63
8.1.1	0.012	0.037	17.38
8.1.0	0.020	0.026	19.04
8.0.30	0.006	0.026	20.07
8.0.29	0.003	0.033	16.88
8.0.28	0.010	0.034	16.72
8.0.27	0.010	0.036	16.52
8.0.26	0.011	0.035	16.52
8.0.25	0.015	0.030	16.75
8.0.24	0.016	0.029	16.52
8.0.23	0.013	0.032	16.88
8.0.22	0.009	0.036	16.75
8.0.21	0.015	0.030	16.75
8.0.20	0.008	0.038	16.75
8.0.19	0.010	0.035	16.71
8.0.18	0.017	0.028	16.63
8.0.17	0.011	0.033	16.75
8.0.16	0.011	0.037	16.74
8.0.15	0.009	0.035	16.62
8.0.14	0.016	0.027	16.63
8.0.13	0.012	0.031	16.61
8.0.12	0.007	0.037	16.61
8.0.11	0.007	0.037	16.72
8.0.10	0.011	0.034	16.71
8.0.9	0.012	0.031	16.60
8.0.8	0.024	0.027	16.52
8.0.7	0.011	0.033	16.75
8.0.6	0.010	0.034	16.62
8.0.5	0.004	0.041	16.71
8.0.3	0.010	0.034	16.71
8.0.2	0.011	0.033	16.84
8.0.1	0.016	0.028	16.87