Online PHP editor | perf for X392p

@ 2020-10-19T13:41:04Z

<?php
// Mocking WordPress
function add_filter(string $tag, callable $value) {
    $GLOBALS[$tag][] = $value;
}

function _doing_it_wrong($fn, string $message) {
    echo "\n--------------\nDOING IT WRONG: $message\n--------------\n";
}

// ------------------------------------------------------------------

function apply_filters_typesafe( $tag, $arguments = array(), $value = null, ...$values ) {

    if ( null === $value || empty( $GLOBALS[$tag] ) ) {
        return $value;
    }

    $type = gettype( $value );
    $is_object = false;
    switch ( $type ) {
        case 'boolean':
            $accepted_types = array( 'boolean' );
            break;
        case 'integer':
        case 'double':
            $accepted_types = array( 'numeric' );
            break;
        case 'string':
            $accepted_types = array( 'string' );
            break;
        case 'array':
            $accepted_types = array( 'array' );
            break;
        case 'resource':
        case 'resource (closed)':
            $accepted_types = array( 'resource' );
            break;
        case 'object':
            $is_object = true;
        default:
            $accepted_types = array();
    }

    // Skip calculation of accepted types if they are are explicitly passed.
    if ( $is_object && empty ( $arguments['accepted_types'] ) ) {
        $class = get_class( $value );
        $accepted_types = array( $class );
        $parent = get_parent_class( $class );
        while ( $parent ) {
            $accepted_types[] = $parent;
            $parent = get_parent_class( $parent );
        }

        $accepted_types = array_merge( $accepted_types, class_implements( $class ) );
    }

    $arguments = array_replace(
        array(
            'nullable' => false,
            'accepted_types' => $accepted_types
        ),
        $arguments
    );

    $original = $value;
    // Objects are passed by ref, clone to return original unchanged in case of errors.
    $to_filter = $is_object ? clone $value : $value;

    $filter = array_shift($GLOBALS[$tag]);

    $filtered = $filter( $tag, $to_filter, ...$values );

    // 'mixed' is a valid PHP 8 pseudo-type so we support for consistency.
    // That said, if mixed is fine then just use apply_filters.
    if ( in_array( 'mixed', (array)$arguments['accepted_types'] ) ) {
        return $GLOBALS[$tag]
            ? apply_filters_typesafe( $tag, $arguments, $filtered, ...$values )
            : $filtered;
    }

    static $can_do_it_wrong = false;
    if ( ! $can_do_it_wrong && function_exists( '_doing_it_wrong' ) ) {
        $can_do_it_wrong = true;
    }

    if ( ( null === $filtered && !$arguments['nullable'] ) ) {
        if ( $can_do_it_wrong ) {
            _doing_it_wrong(
                __FUNCTION__,
                "Filters for '$tag' where not expected to return null.",
                '5.6'
            );
        }

        return $GLOBALS[$tag]
            ? apply_filters_typesafe( $tag, $arguments, $original, ...$values )
            : $filtered;
    }

    static $functions;
    if ( ! $functions ) {
        $functions = array(
            'integer' => 'is_int',
            'double' => 'is_float',
            'float' => 'is_float',
            'numeric' => 'is_numeric',
            'number' => 'is_numeric',
            'bool' => 'is_bool',
            'boolean' => 'is_boolean',
            'string' => 'is_string',
            'array' => 'is_array',
            'callable' => 'is_callable',
            'function' => 'is_callable',
            'resource' => 'is_resource',
            'iterable' => 'is_iterable',
            'countable' => 'is_countable',
        );
    }

    foreach ( $arguments['accepted_types'] as $type ) {
        if ( isset( $functions[ $type ] ) && call_user_func( $functions[ $type ], $filtered ) ) {
            return $GLOBALS[$tag]
                ? apply_filters_typesafe( $tag, $arguments, $filtered, ...$values )
                : $filtered;
        }

        if ( $is_object && is_string ( $type ) && is_a( $filtered, $type ) ) {
            return $GLOBALS[$tag]
                ? apply_filters_typesafe( $tag, $arguments, $filtered, ...$values )
                : $filtered;
        }
    }

    if ( $can_do_it_wrong ) {
        $expected = implode( "', '", $arguments['accepted_types'] );
        $actual = is_object( $filtered ) ? 'instance of ' . get_class($filtered) : gettype( $filtered );
        _doing_it_wrong(
            __FUNCTION__,
            "Filters for '$tag' where expected to return a value of one of types: '$expected'. Got '$actual' instead.",
            '5.6'
        );
    }

    return $GLOBALS[$tag]
        ? apply_filters_typesafe( $tag, $arguments, $original, ...$values )
        : $filtered;
}

// Let's try now to add some hooks, the first is bad, the second is good.


add_filter('hello', function () {
    return 'This is not a callable' ;
});

add_filter('hello', function () {
    return function () {
        return 'It works!';
    };
});

// And lets' see if it works:


$callable = apply_filters_typesafe('hello', ['accepted_types' => ['callable']], '__return_empty_string');
echo $callable();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.4.12	0.009	0.011	20.28
8.4.11	0.008	0.004	17.90
8.4.10	0.014	0.005	17.91
8.4.9	0.010	0.010	20.79
8.4.8	0.005	0.003	19.06
8.4.7	0.011	0.012	18.86
8.4.6	0.009	0.012	20.50
8.4.5	0.012	0.008	18.89
8.4.4	0.015	0.006	17.73
8.4.3	0.010	0.010	20.45
8.4.2	0.014	0.003	17.91
8.4.1	0.015	0.004	20.52
8.3.25	0.013	0.006	16.62
8.3.24	0.011	0.009	16.54
8.3.23	0.011	0.008	16.58
8.3.22	0.004	0.003	19.08
8.3.21	0.008	0.009	16.84
8.3.20	0.004	0.005	16.79
8.3.19	0.014	0.005	17.19
8.3.18	0.010	0.008	19.07
8.3.17	0.004	0.004	17.11
8.3.16	0.011	0.007	17.26
8.3.15	0.007	0.011	18.31
8.3.14	0.006	0.003	16.75
8.3.13	0.005	0.003	17.03
8.3.12	0.006	0.003	19.22
8.3.11	0.013	0.003	20.94
8.3.10	0.007	0.003	24.06
8.3.9	0.008	0.000	26.77
8.3.8	0.009	0.000	16.75
8.3.7	0.015	0.000	16.88
8.3.6	0.012	0.009	16.88
8.3.5	0.011	0.008	23.63
8.3.4	0.004	0.011	21.90
8.3.3	0.015	0.000	18.79
8.3.2	0.005	0.003	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.004	0.004	26.16
8.2.29	0.006	0.006	16.88
8.2.28	0.009	0.011	18.54
8.2.27	0.013	0.007	18.46
8.2.26	0.004	0.015	17.33
8.2.25	0.000	0.008	16.77
8.2.24	0.004	0.004	18.86
8.2.23	0.000	0.009	22.58
8.2.22	0.019	0.000	37.54
8.2.21	0.008	0.000	26.77
8.2.20	0.004	0.004	16.50
8.2.19	0.018	0.004	16.75
8.2.18	0.009	0.006	25.92
8.2.17	0.000	0.014	18.96
8.2.16	0.003	0.010	22.96
8.2.15	0.000	0.008	25.66
8.2.14	0.009	0.000	24.66
8.2.13	0.009	0.000	26.16
8.2.12	0.007	0.000	26.35
8.2.11	0.010	0.000	19.18
8.2.10	0.009	0.003	18.03
8.2.9	0.004	0.004	17.88
8.2.8	0.005	0.005	18.91
8.2.7	0.007	0.003	17.63
8.2.6	0.004	0.004	17.63
8.2.5	0.000	0.008	18.05
8.2.4	0.005	0.003	18.00
8.2.3	0.000	0.008	18.25
8.2.2	0.008	0.000	18.06
8.2.1	0.003	0.005	19.32
8.2.0	0.000	0.007	19.43
8.1.33	0.012	0.007	16.09
8.1.32	0.011	0.007	18.07
8.1.31	0.012	0.006	18.65
8.1.30	0.003	0.007	16.09
8.1.29	0.003	0.006	18.88
8.1.28	0.006	0.012	25.92
8.1.27	0.008	0.000	23.99
8.1.26	0.009	0.000	28.09
8.1.25	0.004	0.004	28.09
8.1.24	0.009	0.003	23.91
8.1.23	0.006	0.006	20.99
8.1.22	0.004	0.004	18.64
8.1.21	0.008	0.000	18.77
8.1.20	0.000	0.008	17.35
8.1.19	0.000	0.008	17.35
8.1.18	0.006	0.003	18.10
8.1.17	0.004	0.004	18.60
8.1.16	0.002	0.005	18.95
8.1.15	0.004	0.004	18.91
8.1.14	0.005	0.002	18.88
8.1.13	0.007	0.000	20.24
8.1.12	0.004	0.004	17.42
8.1.11	0.000	0.008	17.52
8.1.10	0.000	0.008	17.51
8.1.9	0.007	0.000	17.57
8.1.8	0.000	0.008	17.51
8.1.7	0.005	0.003	17.54
8.1.6	0.004	0.004	17.57
8.1.5	0.004	0.004	17.55
8.1.4	0.005	0.003	17.63
8.1.3	0.003	0.006	17.74
8.1.2	0.000	0.008	17.65
8.1.1	0.003	0.006	17.65
8.1.0	0.006	0.003	17.60
8.0.30	0.003	0.006	20.10
8.0.29	0.008	0.000	16.88
8.0.28	0.004	0.004	18.63
8.0.27	0.006	0.003	18.07
8.0.26	0.000	0.007	20.16
8.0.25	0.000	0.007	17.12
8.0.24	0.004	0.004	17.11
8.0.23	0.003	0.003	17.00
8.0.22	0.007	0.000	16.93
8.0.21	0.000	0.007	17.04
8.0.20	0.005	0.003	17.02
8.0.19	0.007	0.000	17.13
8.0.18	0.009	0.000	16.99
8.0.17	0.006	0.003	17.11
8.0.16	0.004	0.004	17.05
8.0.15	0.000	0.007	16.97
8.0.14	0.003	0.006	16.89
8.0.13	0.000	0.005	13.48
8.0.12	0.005	0.005	16.93
8.0.11	0.005	0.003	17.05
8.0.10	0.004	0.004	17.12
8.0.9	0.006	0.003	17.09
8.0.8	0.011	0.007	17.00
8.0.7	0.004	0.004	16.94
8.0.6	0.005	0.003	17.01
8.0.5	0.000	0.007	16.91
8.0.3	0.004	0.015	17.23
8.0.2	0.008	0.011	17.16
8.0.1	0.004	0.004	17.14
8.0.0	0.012	0.006	16.95
7.4.33	0.000	0.005	15.55
7.4.32	0.003	0.003	16.55
7.4.30	0.004	0.004	16.70
7.4.29	0.008	0.000	16.71
7.4.28	0.008	0.000	16.69
7.4.27	0.003	0.003	16.57
7.4.26	0.003	0.003	13.29
7.4.25	0.004	0.007	16.54
7.4.24	0.004	0.004	16.65
7.4.23	0.004	0.004	16.57
7.4.22	0.002	0.006	16.65
7.4.21	0.007	0.010	16.60
7.4.20	0.007	0.003	16.60
7.4.13	0.016	0.007	16.53
7.4.12	0.008	0.017	16.68
7.4.11	0.017	0.003	16.70
7.4.10	0.008	0.011	16.66
7.4.9	0.009	0.014	16.73
7.4.8	0.000	0.024	16.38
7.4.7	0.014	0.003	16.34
7.4.6	0.016	0.003	16.68
7.4.5	0.012	0.012	16.72
7.4.4	0.008	0.012	16.56
7.4.3	0.011	0.007	16.53
7.4.2	0.017	0.006	16.69
7.4.1	0.011	0.006	16.56
7.4.0	0.013	0.003	16.84
7.3.33	0.000	0.007	16.27
7.3.32	0.000	0.005	13.21
7.3.31	0.004	0.004	16.24
7.3.30	0.000	0.007	16.32
7.3.29	0.008	0.007	16.41
7.3.26	0.006	0.016	16.55
7.3.23	0.009	0.012	16.39
7.3.22	0.011	0.008	16.77
7.3.21	0.010	0.010	16.38
7.3.20	0.012	0.009	16.38
7.3.19	0.012	0.006	16.43
7.3.18	0.013	0.003	16.44
7.3.17	0.009	0.015	16.47
7.3.16	0.015	0.004	16.75
7.3.15	0.003	0.015	16.40
7.3.14	0.008	0.008	16.40
7.3.13	0.009	0.009	16.48
7.3.12	0.004	0.015	16.51
7.3.11	0.004	0.013	16.58
7.3.10	0.021	0.005	16.61
7.3.9	0.011	0.011	16.61
7.3.8	0.004	0.014	16.42
7.3.7	0.003	0.016	16.32
7.3.6	0.011	0.007	16.39
7.3.5	0.006	0.012	16.39
7.3.4	0.006	0.011	16.56
7.3.3	0.010	0.007	16.50
7.3.2	0.003	0.014	16.42
7.3.1	0.011	0.008	16.38
7.3.0	0.015	0.006	16.45
7.2.34	0.017	0.007	16.80
7.2.33	0.011	0.009	16.87
7.2.32	0.014	0.005	16.48
7.2.31	0.009	0.009	16.32
7.2.30	0.012	0.009	16.57
7.2.29	0.012	0.006	16.54
7.2.28	0.009	0.009	16.90
7.2.27	0.013	0.003	16.57
7.2.26	0.008	0.011	16.90
7.2.25	0.009	0.013	16.80
7.2.24	0.013	0.010	16.81
7.2.23	0.006	0.017	16.91
7.2.22	0.008	0.016	16.68
7.2.21	0.007	0.010	16.73
7.2.20	0.009	0.009	16.62
7.2.19	0.011	0.008	16.71
7.2.18	0.004	0.014	16.64
7.2.17	0.000	0.018	16.56
7.2.16	0.007	0.011	16.66
7.2.15	0.010	0.010	16.81
7.2.14	0.009	0.009	16.62
7.2.13	0.013	0.006	16.80
7.2.12	0.010	0.010	16.70
7.2.11	0.007	0.011	16.75
7.2.10	0.012	0.006	16.80
7.2.9	0.010	0.010	16.79
7.2.8	0.010	0.010	16.53
7.2.7	0.009	0.013	16.70
7.2.6	0.010	0.013	16.91
7.2.5	0.016	0.006	16.68
7.2.4	0.019	0.003	16.78
7.2.3	0.012	0.016	16.87
7.2.2	0.008	0.013	16.66
7.2.1	0.004	0.018	16.73
7.2.0	0.015	0.006	16.66

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