Online PHP editor | perf for MusWD

@ 2023-11-24T22:47:30Z

<?php

/* In each Child::foo() scenario, Parent::foo() cannot be intercepted (mocked) */

class Parent {
    public function foo() {
        echo 'Parent' . PHP_EOL;
    }
}

// Calling parent::
class Child_1 extends Parent {
    public function foo() {
        echo 'Child_1' . PHP_EOL;
        // Follow the method chin upward - Parent::foo()
        parent::foo();
    }
}
class Mock_Child_1 extends Child_1 {
    public function foo() {
        echo 'Mock 1' . PHP_EOL;
        // Follow the method chain upward - Child_1::foo()
        parent::foo();
    }
}
$mock1 = new Mock_Child_1();
$mock->foo();
/* Result:
 * Mock 1
 * Child 1
 * Parent - but we weren't able to intercept this to change its output!
 */

// Calling $this
class Child_2 extends Parent {
    public function foo() {
        echo 'Child_2' . PHP_EOL;
        // Call the lowest foo() in the instance
        $this->foo();
    }
}
class Mock_Child_2 extends Child_1 {
    public function foo() {
        echo 'Mock 2' . PHP_EOL;
        // Call the lowest foo() in the instance
        $this->foo();
    }
}
$mock2 = new Mock_Child_2();
$mock->foo();
/* Result:
 * Mock 2 
 * Mock 2 ... (infinite)
 *
 * Mock_Child must call parent::foo() to get any higher in the chain
 */

// Mix
class Child_3 extends Parent {
    public function foo() {
        echo 'Child_3' . PHP_EOL;
        // Call the lowest foo() in the instance
        $this->foo();
    }
}
class Mock_Child_3 extends Child_1 {
    public function foo() {
        echo 'Mock 3' . PHP_EOL;
        // Follow the method chain upward - Child_2::foo()
        parent::foo();
    }
}
$mock3 = new Mock_Child_3();
$mock->foo();
/* Result:
 * Mock 3
 * Child 3
 * Mock 3
 * Child 3 ... (infinite)
 */

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)
8.3.0	0.003	0.006	26.16
8.2.13	0.009	0.000	26.16
8.2.12	0.008	0.000	26.16
8.2.11	0.009	0.000	26.16
8.2.10	0.006	0.003	26.16
8.2.9	0.006	0.003	26.16
8.2.8	0.006	0.003	26.16
8.2.7	0.004	0.004	26.16
8.2.6	0.006	0.003	26.16
8.2.5	0.003	0.006	26.16
8.2.4	0.006	0.003	26.16
8.2.3	0.000	0.008	26.16
8.2.2	0.004	0.004	26.16
8.2.1	0.003	0.006	26.16
8.2.0	0.003	0.006	26.16
8.1.26	0.009	0.000	26.16
8.1.25	0.000	0.008	26.16
8.1.24	0.004	0.004	26.16
8.1.23	0.004	0.004	26.16
8.1.22	0.008	0.000	26.16
8.1.21	0.000	0.009	26.16
8.1.20	0.004	0.004	26.16
8.1.19	0.003	0.006	26.16
8.1.18	0.009	0.000	26.16
8.1.17	0.003	0.006	26.16
8.1.16	0.003	0.006	26.16
8.1.15	0.008	0.000	26.16
8.1.14	0.003	0.005	26.16
8.1.13	0.000	0.009	26.16
8.1.12	0.000	0.009	26.16
8.1.11	0.006	0.003	26.16
8.1.10	0.006	0.003	26.16
8.1.9	0.006	0.003	26.16
8.1.8	0.009	0.000	26.16
8.1.7	0.004	0.004	26.16
8.1.6	0.006	0.003	26.16
8.1.5	0.009	0.000	26.16
8.1.4	0.008	0.000	26.16
8.1.3	0.006	0.003	26.16
8.1.2	0.006	0.003	26.16
8.1.1	0.009	0.000	26.16
8.1.0	0.004	0.004	26.16
8.0.30	0.006	0.003	26.16
8.0.29	0.008	0.003	26.16
8.0.28	0.009	0.000	26.16
8.0.27	0.005	0.005	26.16
8.0.26	0.011	0.000	26.16
8.0.25	0.007	0.004	26.16
8.0.24	0.004	0.007	26.16
8.0.23	0.005	0.005	26.16
8.0.22	0.003	0.006	26.16
8.0.21	0.003	0.007	26.16
8.0.20	0.008	0.003	26.16
8.0.19	0.003	0.007	26.16
8.0.18	0.003	0.006	26.16
8.0.17	0.003	0.007	26.16
8.0.16	0.009	0.000	26.16
8.0.15	0.000	0.009	26.16
8.0.14	0.010	0.000	26.16
8.0.13	0.000	0.008	26.16
8.0.12	0.008	0.000	26.16
8.0.11	0.008	0.000	26.16
8.0.10	0.004	0.004	26.16
8.0.9	0.006	0.003	26.16
8.0.8	0.008	0.003	26.16
8.0.7	0.011	0.000	26.16
8.0.6	0.003	0.006	26.16
8.0.5	0.006	0.003	26.16
8.0.3	0.000	0.009	26.16
8.0.2	0.000	0.009	26.16
8.0.1	0.004	0.004	26.16

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