Online PHP editor | perf for 0orf9

@ 2026-03-29T07:36:49Z

<?php

abstract class BaseLib {
    abstract protected function process( $a );
}

class MyLib extends BaseLib {
    //protected $a;
    protected string $a;
    
    public function run( string $a ) {
        $this->process( $a );
    }
    
    protected function process( $a ) {
        $this->a = $a;
    }
}

class ThirdParty extends MyLib {
    public function run( string $a = null ) {
        $this->process( $a );
    }
}


$third_party_code = new ThirdParty();
$third_party_code->run();

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)
8.5.7	0.013	0.006	17.09
8.5.6	0.008	0.010	17.01
8.5.5	0.009	0.008	18.57
8.5.3	0.010	0.008	16.86
8.4.22	0.013	0.010	19.54
8.4.21	0.016	0.005	19.76
8.4.18	0.029	0.013	19.67
8.4.9	0.004	0.005	18.20
8.3.31	0.011	0.009	18.41
8.3.18	0.006	0.002	16.84
8.3.5	0.006	0.002	16.90
8.2.31	0.013	0.007	18.10

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