Online PHP editor | perf for CD9MQ

<?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_locale_name( $a ) { return $a; } 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 ); } function determine_locale_proposed_v2() { /** * 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'] ) { if ( ! empty( $_GET['wp_lang'] ) ) { $determined_locale = sanitize_locale_name( $_GET['wp_lang'] ); } elseif ( ! empty( $_COOKIE['wp_lang'] ) ) { $determined_locale = sanitize_locale_name( $_COOKIE['wp_lang'] ); } } if ( ! $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(); } } /** * 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_proposed(); determine_locale_proposed_v2(); $its = 1e5; $t = hrtime(true); for ( $i = 0; $i++ < $its; ) determine_locale_proposed(); echo 'proposed : ', $old = ( hrtime(true)-$t ) / 1e9, "s\n"; $t = hrtime(true); for ( $i = 0; $i++ < $its; ) determine_locale_proposed_v2(); echo 'proposed v2: ', $new = ( hrtime(true)-$t ) / 1e9, "s\n\n"; printf( 'Proposed v2 is %sx faster', number_format( $old / $new, 2 ) );

Version	System time (s)	User time (s)	Memory (MiB)
8.4.2	0.006	0.045	17.86
8.4.1	0.003	0.019	24.01
8.3.15	0.000	0.025	17.22
8.3.14	0.017	0.027	20.82
8.3.13	0.007	0.034	18.49
8.3.12	0.007	0.018	20.64
8.3.11	0.004	0.018	16.53
8.3.10	0.003	0.020	24.06
8.3.9	0.003	0.019	26.77
8.3.8	0.003	0.025	16.63
8.3.7	0.007	0.034	16.58
8.3.6	0.003	0.037	18.55
8.3.5	0.010	0.043	18.46
8.3.4	0.013	0.026	20.52
8.3.3	0.017	0.023	20.95
8.3.2	0.003	0.019	24.18
8.3.1	0.004	0.018	24.66
8.3.0	0.003	0.019	26.16
8.2.27	0.017	0.034	19.04
8.2.26	0.013	0.028	16.87
8.2.25	0.006	0.015	18.45
8.2.24	0.007	0.014	18.91
8.2.23	0.008	0.015	20.94
8.2.22	0.003	0.019	37.54
8.2.21	0.006	0.034	26.77
8.2.20	0.007	0.024	16.38
8.2.19	0.010	0.040	16.58
8.2.18	0.013	0.035	16.50
8.2.17	0.014	0.041	18.91
8.2.16	0.007	0.033	22.96
8.2.15	0.004	0.018	25.66
8.2.14	0.007	0.014	24.66
8.2.13	0.003	0.019	26.16
8.2.12	0.004	0.018	19.36
8.2.11	0.004	0.028	21.00
8.2.10	0.007	0.023	17.91
8.2.9	0.007	0.018	18.03
8.2.8	0.006	0.018	18.21
8.2.7	0.000	0.025	17.50
8.2.6	0.007	0.029	17.63
8.2.5	0.020	0.016	17.12
8.2.4	0.013	0.022	17.63
8.2.3	0.012	0.024	17.38
8.2.2	0.008	0.027	17.63
8.2.1	0.014	0.021	17.50
8.2.0	0.008	0.025	17.38
8.1.31	0.010	0.037	16.32
8.1.30	0.010	0.013	18.44
8.1.29	0.007	0.018	18.88
8.1.28	0.010	0.037	25.92
8.1.27	0.007	0.014	24.66
8.1.26	0.007	0.015	26.35
8.1.25	0.009	0.012	28.09
8.1.24	0.011	0.035	17.77
8.1.23	0.006	0.019	20.99
8.1.22	0.004	0.021	17.77
8.1.21	0.007	0.017	18.77
8.1.20	0.000	0.024	17.35
8.1.19	0.016	0.024	16.72
8.1.18	0.016	0.019	17.13
8.1.17	0.014	0.021	17.00
8.1.16	0.013	0.020	17.00
8.1.15	0.012	0.021	17.13
8.1.14	0.011	0.022	17.13
8.1.13	0.003	0.031	17.00
8.1.12	0.016	0.016	17.25
8.1.11	0.010	0.023	17.38
8.1.10	0.004	0.029	17.38
8.1.9	0.004	0.029	17.13
8.1.8	0.011	0.023	17.38
8.1.7	0.009	0.025	17.25
8.1.6	0.010	0.024	17.38
8.1.5	0.010	0.024	17.38
8.1.4	0.007	0.026	17.63
8.1.3	0.013	0.021	17.50
8.1.2	0.016	0.019	17.38
8.1.1	0.017	0.023	17.11
8.1.0	0.012	0.024	17.25
8.0.30	0.006	0.019	20.11
8.0.29	0.004	0.030	16.88
8.0.28	0.017	0.027	16.60
8.0.27	0.014	0.024	16.75
8.0.26	0.012	0.025	16.52
8.0.25	0.010	0.028	16.62
8.0.24	0.007	0.030	16.52
8.0.23	0.009	0.028	16.75
8.0.22	0.015	0.023	16.72
8.0.21	0.011	0.025	16.73
8.0.20	0.010	0.028	16.88
8.0.19	0.012	0.027	16.63
8.0.18	0.014	0.024	16.62
8.0.17	0.012	0.024	16.75
8.0.16	0.014	0.027	16.73
8.0.15	0.007	0.030	16.63
8.0.14	0.006	0.029	16.63
8.0.13	0.009	0.026	16.75
8.0.12	0.010	0.024	16.72
8.0.11	0.016	0.019	16.62
8.0.10	0.012	0.024	16.63
8.0.9	0.016	0.019	16.52
8.0.8	0.010	0.026	16.73
8.0.7	0.010	0.026	16.75
8.0.6	0.003	0.029	17.05
8.0.5	0.007	0.030	16.52
8.0.3	0.010	0.026	16.74
8.0.2	0.005	0.032	16.75
8.0.1	0.012	0.025	16.63