Online PHP editor | perf for iep6d

@ 2020-10-19 13:44:30

<?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 )
            : $original;
    }

    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 )
        : $original;
}

// 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	0.010	0.008	19.54
8.4.4	0.010	0.010	17.79
8.4.3	0.007	0.011	20.34
8.4.2	0.016	0.000	19.57
8.4.1	0.007	0.011	20.44
8.3	0.007	0.008	20.41
8.3.17	0.010	0.010	20.91
8.3.16	0.004	0.015	16.76
8.3.15	0.004	0.015	17.40
8.3.14	0.011	0.007	16.59
8.3.13	0.006	0.003	16.57
8.3.12	0.008	0.012	18.89
8.3.11	0.004	0.004	16.75
8.3.10	0.003	0.006	24.06
8.3.9	0.010	0.010	26.77
8.3.8	0.000	0.009	19.36
8.3.7	0.000	0.015	16.75
8.3.6	0.019	0.003	16.62
8.3.5	0.012	0.005	23.78
8.3.4	0.011	0.004	22.08
8.3.3	0.006	0.012	19.02
8.3.2	0.007	0.000	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.000	0.008	26.16
8.2	0.006	0.005	20.80
8.2.27	0.010	0.010	17.13
8.2.26	0.000	0.011	16.76
8.2.25	0.008	0.008	18.45
8.2.24	0.009	0.006	17.23
8.2.23	0.000	0.009	20.94
8.2.22	0.007	0.003	37.54
8.2.21	0.003	0.006	26.77
8.2.20	0.003	0.006	18.88
8.2.19	0.006	0.009	16.88
8.2.18	0.014	0.007	25.92
8.2.17	0.015	0.000	18.80
8.2.16	0.011	0.003	22.96
8.2.15	0.004	0.004	25.66
8.2.14	0.007	0.003	24.66
8.2.13	0.008	0.000	26.16
8.2.12	0.004	0.004	26.35
8.2.11	0.006	0.003	20.89
8.2.10	0.008	0.004	17.84
8.2.9	0.004	0.004	18.03
8.2.8	0.000	0.008	18.03
8.2.7	0.003	0.005	17.49
8.2.6	0.005	0.003	17.63
8.2.5	0.004	0.004	18.05
8.2.4	0.008	0.000	18.16
8.2.3	0.004	0.004	18.12
8.2.2	0.000	0.008	18.29
8.2.1	0.000	0.008	19.39
8.2.0	0.004	0.004	19.42
8.1	0.004	0.005	19.66
8.1.31	0.003	0.007	16.19
8.1.30	0.004	0.004	18.39
8.1.29	0.003	0.006	30.84
8.1.28	0.011	0.011	25.92
8.1.27	0.003	0.006	23.99
8.1.26	0.000	0.008	28.09
8.1.25	0.008	0.000	28.09
8.1.24	0.007	0.003	22.45
8.1.23	0.007	0.004	21.10
8.1.22	0.000	0.008	18.04
8.1.21	0.000	0.008	18.77
8.1.20	0.000	0.008	17.60
8.1.19	0.000	0.008	17.25
8.1.18	0.006	0.003	18.10
8.1.17	0.008	0.000	18.82
8.1.16	0.003	0.006	19.02
8.1.15	0.003	0.006	18.98
8.1.14	0.004	0.004	19.02
8.1.13	0.003	0.003	20.29
8.1.12	0.000	0.007	17.42
8.1.11	0.006	0.003	17.55
8.1.10	0.004	0.004	17.55
8.1.9	0.008	0.000	17.43
8.1.8	0.000	0.008	17.40
8.1.7	0.000	0.007	17.49
8.1.6	0.003	0.006	17.67
8.1.5	0.008	0.000	17.59
8.1.4	0.008	0.000	17.58
8.1.3	0.000	0.008	17.61
8.1.2	0.004	0.004	17.66
8.1.1	0.000	0.008	17.57
8.1.0	0.004	0.004	17.58
8.0	0.004	0.006	17.13
8.0.30	0.000	0.008	19.98
8.0.29	0.004	0.004	17.00
8.0.28	0.007	0.000	18.58
8.0.27	0.000	0.010	18.18
8.0.26	0.000	0.007	18.53
8.0.25	0.000	0.008	16.98
8.0.24	0.004	0.004	16.98
8.0.23	0.005	0.003	17.05
8.0.22	0.000	0.007	17.03
8.0.21	0.000	0.007	16.91
8.0.20	0.000	0.007	17.14
8.0.19	0.004	0.004	17.06
8.0.18	0.004	0.004	17.13
8.0.17	0.003	0.006	16.93
8.0.16	0.005	0.003	17.12
8.0.15	0.004	0.004	16.87
8.0.14	0.000	0.009	16.97
8.0.13	0.004	0.004	13.38
8.0.12	0.006	0.003	17.05
8.0.11	0.003	0.005	16.90
8.0.10	0.000	0.007	17.01
8.0.9	0.000	0.007	17.07
8.0.8	0.010	0.008	16.98
8.0.7	0.002	0.005	16.93
8.0.6	0.000	0.008	17.05
8.0.5	0.000	0.008	17.09
8.0.3	0.017	0.003	16.97
8.0.2	0.014	0.005	17.27
8.0.1	0.003	0.005	16.95
8.0.0	0.006	0.013	16.88
7.4	0.007	0.007	16.42
7.4.33	0.005	0.000	15.55
7.4.32	0.000	0.007	16.59
7.4.30	0.000	0.007	16.50
7.4.29	0.004	0.004	16.71
7.4.28	0.008	0.000	16.61
7.4.27	0.002	0.005	16.63
7.4.26	0.000	0.006	13.35
7.4.25	0.000	0.009	16.49
7.4.24	0.004	0.004	16.47
7.4.23	0.004	0.004	16.61
7.4.22	0.002	0.005	16.65
7.4.21	0.007	0.011	16.68
7.4.20	0.004	0.004	16.70
7.4.13	0.008	0.010	16.60
7.4.12	0.011	0.011	16.64
7.4.11	0.014	0.004	16.51
7.4.10	0.010	0.007	16.57
7.4.9	0.016	0.007	16.59
7.4.8	0.016	0.008	16.47
7.4.7	0.006	0.009	16.55
7.4.6	0.015	0.003	16.59
7.4.5	0.009	0.009	16.66
7.4.4	0.009	0.011	16.34
7.4.3	0.012	0.008	16.60
7.4.2	0.006	0.010	16.58
7.4.1	0.006	0.011	16.52
7.4.0	0.012	0.006	16.46
7.3	0.008	0.008	16.35
7.3.33	0.005	0.002	16.29
7.3.32	0.000	0.006	13.39
7.3.31	0.000	0.007	16.37
7.3.30	0.003	0.003	16.44
7.3.29	0.011	0.006	16.42
7.3.26	0.011	0.008	16.67
7.3.23	0.000	0.016	16.60
7.3.22	0.006	0.009	16.75
7.3.21	0.006	0.012	16.35
7.3.20	0.007	0.010	16.55
7.3.19	0.009	0.006	16.16
7.3.18	0.013	0.004	16.50
7.3.17	0.007	0.010	16.74
7.3.16	0.015	0.009	16.32
7.3.15	0.004	0.015	16.44
7.3.14	0.006	0.011	16.72
7.3.13	0.003	0.014	16.67
7.3.12	0.016	0.000	16.38
7.3.11	0.009	0.006	16.28
7.3.10	0.009	0.006	16.34
7.3.9	0.014	0.003	16.37
7.3.8	0.013	0.003	16.40
7.3.7	0.006	0.009	16.50
7.3.6	0.008	0.007	16.46
7.3.5	0.012	0.004	16.43
7.3.4	0.007	0.010	16.43
7.3.3	0.014	0.007	16.37
7.3.2	0.011	0.009	16.45
7.3.1	0.006	0.012	16.41
7.3.0	0.007	0.011	16.25
7.2	0.010	0.009	16.70
7.2.34	0.006	0.011	16.54
7.2.33	0.010	0.013	16.92
7.2.32	0.000	0.017	16.80
7.2.31	0.012	0.006	16.52
7.2.30	0.006	0.012	16.65
7.2.29	0.017	0.006	16.37
7.2.28	0.007	0.010	16.59
7.2.27	0.003	0.014	16.94
7.2.26	0.008	0.008	16.84
7.2.25	0.010	0.006	16.71
7.2.24	0.009	0.006	16.75
7.2.23	0.006	0.010	16.79
7.2.22	0.016	0.000	16.48
7.2.21	0.007	0.010	16.56
7.2.20	0.013	0.003	16.60
7.2.19	0.000	0.016	16.77
7.2.18	0.008	0.008	16.73
7.2.17	0.007	0.014	16.54
7.2.16	0.010	0.013	16.77
7.2.15	0.009	0.009	16.69
7.2.14	0.009	0.009	16.71
7.2.13	0.009	0.009	16.77
7.2.12	0.014	0.003	16.61
7.2.11	0.007	0.010	16.77
7.2.10	0.016	0.008	16.77
7.2.9	0.028	0.007	16.72
7.2.8	0.008	0.008	16.57
7.2.7	0.006	0.010	16.75
7.2.6	0.013	0.003	16.87
7.2.5	0.013	0.003	16.71
7.2.4	0.003	0.013	16.71
7.2.3	0.006	0.010	16.73
7.2.2	0.010	0.006	16.70
7.2.1	0.019	0.000	16.64
7.2.0	0.011	0.014	16.79

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