Online PHP editor | perf for d3oBi

@ 2020-10-19T13:38:06Z

<?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 apply_filters( $tag, $value, ...$values );
    }

    $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)
8.5.0	0.014	0.007	20.11
8.4.15	0.002	0.000	14.05
8.4.14	0.008	0.013	17.49
8.4.13	0.011	0.009	17.68
8.4.12	0.012	0.008	24.33
8.4.11	0.013	0.007	17.81
8.4.10	0.009	0.012	18.80
8.4.9	0.007	0.005	18.79
8.4.8	0.009	0.011	18.86
8.4.7	0.012	0.009	17.66
8.4.6	0.011	0.009	18.55
8.4.5	0.015	0.006	20.47
8.4.4	0.006	0.003	17.71
8.4.3	0.007	0.013	20.54
8.4.2	0.009	0.012	19.54
8.4.1	0.013	0.006	20.71
8.3.28	0.014	0.007	18.43
8.3.27	0.015	0.005	16.55
8.3.26	0.014	0.006	16.43
8.3.25	0.011	0.008	18.95
8.3.24	0.010	0.009	17.04
8.3.23	0.014	0.006	17.13
8.3.22	0.008	0.007	18.96
8.3.21	0.007	0.011	16.93
8.3.20	0.003	0.005	16.88
8.3.19	0.004	0.004	19.02
8.3.18	0.009	0.006	16.99
8.3.17	0.009	0.009	18.80
8.3.16	0.009	0.009	16.55
8.3.15	0.015	0.004	17.13
8.3.14	0.011	0.004	16.88
8.3.13	0.006	0.003	18.72
8.3.12	0.009	0.009	20.68
8.3.11	0.013	0.003	20.94
8.3.10	0.004	0.004	24.06
8.3.9	0.005	0.003	26.77
8.3.8	0.004	0.004	19.36
8.3.7	0.009	0.009	16.88
8.3.6	0.006	0.016	18.43
8.3.5	0.017	0.006	23.62
8.3.4	0.007	0.007	21.91
8.3.3	0.012	0.006	18.97
8.3.2	0.004	0.004	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.008	0.000	26.16
8.2.29	0.012	0.007	20.47
8.2.28	0.007	0.009	18.55
8.2.27	0.015	0.004	17.55
8.2.26	0.008	0.000	18.18
8.2.25	0.003	0.006	18.62
8.2.24	0.003	0.006	17.39
8.2.23	0.003	0.006	22.58
8.2.22	0.004	0.008	37.54
8.2.21	0.004	0.011	26.77
8.2.20	0.010	0.000	18.88
8.2.19	0.014	0.004	16.58
8.2.18	0.004	0.011	25.92
8.2.17	0.009	0.006	18.96
8.2.16	0.003	0.010	22.96
8.2.15	0.000	0.008	25.66
8.2.14	0.006	0.003	24.66
8.2.13	0.004	0.004	26.16
8.2.12	0.007	0.000	26.35
8.2.11	0.009	0.000	20.37
8.2.10	0.008	0.003	18.03
8.2.9	0.000	0.008	18.03
8.2.8	0.004	0.004	21.14
8.2.7	0.009	0.000	17.50
8.2.6	0.003	0.005	17.63
8.2.5	0.000	0.008	18.05
8.2.4	0.000	0.008	18.03
8.2.3	0.000	0.009	18.07
8.2.2	0.004	0.004	18.24
8.2.1	0.004	0.004	19.43
8.2.0	0.002	0.005	19.27
8.1.33	0.010	0.009	22.21
8.1.32	0.011	0.009	16.23
8.1.31	0.009	0.000	16.33
8.1.30	0.015	0.003	20.06
8.1.29	0.003	0.006	30.84
8.1.28	0.009	0.012	25.92
8.1.27	0.005	0.003	23.99
8.1.26	0.000	0.008	28.09
8.1.25	0.004	0.004	28.09
8.1.24	0.013	0.003	20.79
8.1.23	0.007	0.004	22.33
8.1.22	0.003	0.005	17.89
8.1.21	0.008	0.000	18.91
8.1.20	0.004	0.004	17.48
8.1.19	0.004	0.004	17.23
8.1.18	0.006	0.003	18.10
8.1.17	0.006	0.003	18.79
8.1.16	0.000	0.009	18.88
8.1.15	0.004	0.004	19.02
8.1.14	0.000	0.007	18.88
8.1.13	0.000	0.007	20.24
8.1.12	0.004	0.004	17.53
8.1.11	0.005	0.003	17.59
8.1.10	0.000	0.007	17.55
8.1.9	0.005	0.003	17.53
8.1.8	0.007	0.000	17.57
8.1.7	0.003	0.006	17.40
8.1.6	0.006	0.003	17.55
8.1.5	0.000	0.008	17.52
8.1.4	0.000	0.008	17.59
8.1.3	0.008	0.000	17.68
8.1.2	0.003	0.005	17.63
8.1.1	0.004	0.004	17.66
8.1.0	0.006	0.003	17.46
8.0.30	0.000	0.007	19.98
8.0.29	0.004	0.004	17.00
8.0.28	0.000	0.007	18.48
8.0.27	0.008	0.000	18.14
8.0.26	0.007	0.000	20.19
8.0.25	0.003	0.003	17.07
8.0.24	0.008	0.000	17.05
8.0.23	0.000	0.007	17.11
8.0.22	0.000	0.007	17.07
8.0.21	0.000	0.007	16.91
8.0.20	0.003	0.005	17.11
8.0.19	0.004	0.004	17.10
8.0.18	0.005	0.003	16.95
8.0.17	0.006	0.003	16.93
8.0.16	0.008	0.000	16.94
8.0.15	0.004	0.004	16.86
8.0.14	0.000	0.009	16.96
8.0.13	0.000	0.006	13.45
8.0.12	0.004	0.007	16.95
8.0.11	0.000	0.007	17.09
8.0.10	0.003	0.006	17.05
8.0.9	0.004	0.004	16.91
8.0.8	0.008	0.008	16.96
8.0.7	0.004	0.004	17.00
8.0.6	0.000	0.008	16.89
8.0.5	0.007	0.000	16.93
8.0.3	0.006	0.012	17.26
8.0.2	0.010	0.010	17.14
8.0.1	0.007	0.000	17.05
8.0.0	0.009	0.017	16.61
7.4.33	0.002	0.002	15.55
7.4.32	0.007	0.000	16.59
7.4.30	0.003	0.003	16.68
7.4.29	0.003	0.003	16.68
7.4.28	0.000	0.008	16.59
7.4.27	0.000	0.007	16.61
7.4.26	0.000	0.005	13.38
7.4.25	0.004	0.004	16.45
7.4.24	0.000	0.007	16.54
7.4.23	0.000	0.008	16.75
7.4.22	0.004	0.004	16.53
7.4.21	0.004	0.012	16.59
7.4.20	0.003	0.003	16.47
7.4.13	0.011	0.013	16.63
7.4.12	0.006	0.012	16.50
7.4.11	0.006	0.010	16.70
7.4.10	0.003	0.015	16.36
7.4.9	0.011	0.008	16.52
7.4.8	0.006	0.011	16.25
7.4.7	0.009	0.009	16.25
7.4.6	0.010	0.007	16.46
7.4.5	0.012	0.006	16.16
7.4.4	0.007	0.011	16.29
7.4.3	0.006	0.012	16.43
7.4.2	0.003	0.014	16.58
7.4.1	0.012	0.009	16.71
7.4.0	0.013	0.009	16.40
7.3.33	0.000	0.007	16.18
7.3.32	0.003	0.003	13.36
7.3.31	0.005	0.003	16.48
7.3.30	0.007	0.000	16.30
7.3.29	0.007	0.009	16.40
7.3.26	0.014	0.004	16.38
7.3.23	0.012	0.006	16.60
7.3.22	0.006	0.012	16.66
7.3.21	0.003	0.016	16.68
7.3.20	0.012	0.006	16.33
7.3.19	0.007	0.010	16.45
7.3.18	0.015	0.003	16.54
7.3.17	0.008	0.008	16.71
7.3.16	0.013	0.003	16.41
7.3.15	0.007	0.010	16.64
7.3.14	0.007	0.011	16.68
7.3.13	0.012	0.006	16.59
7.3.12	0.007	0.011	16.47
7.3.11	0.006	0.018	16.49
7.3.10	0.016	0.003	16.34
7.3.9	0.009	0.009	16.25
7.3.8	0.007	0.011	16.29
7.3.7	0.004	0.014	16.45
7.3.6	0.018	0.006	16.46
7.3.5	0.007	0.010	16.36
7.3.4	0.003	0.013	16.29
7.3.3	0.011	0.008	16.28
7.3.2	0.008	0.011	16.33
7.3.1	0.012	0.006	16.26
7.3.0	0.014	0.003	16.50
7.2.34	0.012	0.006	16.41
7.2.33	0.006	0.012	16.66
7.2.32	0.011	0.007	16.82
7.2.31	0.004	0.014	16.25
7.2.30	0.007	0.011	16.58
7.2.29	0.010	0.010	16.56
7.2.28	0.014	0.003	16.89
7.2.27	0.012	0.004	16.61
7.2.26	0.014	0.005	16.52
7.2.25	0.011	0.011	16.88
7.2.24	0.015	0.003	16.74
7.2.23	0.009	0.009	16.62
7.2.22	0.015	0.003	16.81
7.2.21	0.015	0.003	16.69
7.2.20	0.006	0.018	16.52
7.2.19	0.012	0.012	16.67
7.2.18	0.015	0.012	16.49
7.2.17	0.012	0.009	16.54
7.2.16	0.016	0.003	16.64
7.2.15	0.007	0.012	16.74
7.2.14	0.000	0.018	16.78
7.2.13	0.010	0.010	16.63
7.2.12	0.012	0.006	16.60
7.2.11	0.006	0.012	16.71
7.2.10	0.006	0.013	16.74
7.2.9	0.009	0.009	16.69
7.2.8	0.014	0.006	16.57
7.2.7	0.003	0.016	16.44
7.2.6	0.013	0.006	16.70
7.2.5	0.006	0.013	16.67
7.2.4	0.006	0.013	16.52
7.2.3	0.006	0.012	16.81
7.2.2	0.013	0.006	16.42
7.2.1	0.004	0.014	16.69
7.2.0	0.009	0.009	16.86

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