3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $priv; function setPrivA( $x ) { $this->priv = $x; } } class B extends A { private $priv; function setPrivB($foo) { $this->priv = $foo; } } class C extends A { function accessOther( $a ) { return $a->priv; } } $b = new B; $b->setPrivA('foo'); $b->setPrivB('bar'); var_dump( $b ); $c = new C; var_dump( $c->accessOther( $b ) );

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).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0100.00717.00
8.3.50.0130.01018.18
8.3.40.0130.00918.82
8.3.30.0160.00318.83
8.3.20.0080.00021.95
8.3.10.0040.00421.80
8.3.00.0080.00019.66
8.2.180.0070.00718.43
8.2.170.0150.00018.90
8.2.160.0100.00322.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.01322.25
8.2.120.0070.00026.35
8.2.110.0070.00321.98
8.2.100.0170.00017.42
8.2.90.0040.00417.75
8.2.80.0040.00418.77
8.2.70.0040.00417.93
8.2.60.0030.00717.63
8.2.50.0000.00917.50
8.2.40.0060.00317.63
8.2.30.0030.00519.07
8.2.20.0000.00718.04
8.2.10.0060.00318.06
8.2.00.0000.00717.90
8.1.280.0090.00625.92
8.1.270.0060.00318.87
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0000.00918.87
8.1.230.0040.00817.77
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0060.00317.62
8.1.160.0040.00418.81
8.1.150.0000.00718.87
8.1.140.0040.00419.48
8.1.130.0000.00718.75
8.1.120.0000.00717.38
8.1.110.0070.00017.36
8.1.100.0070.00017.29
8.1.90.0000.01017.45
8.1.80.0000.00717.44
8.1.70.0000.00817.28
8.1.60.0000.00817.56
8.1.50.0040.00417.59
8.1.40.0050.00317.43
8.1.30.0050.00317.63
8.1.20.0030.00517.48
8.1.10.0040.00417.65
8.1.00.0060.00617.44
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.40
8.0.270.0040.00417.20
8.0.260.0000.00717.19
8.0.250.0030.00316.97
8.0.240.0000.00716.96
8.0.230.0040.00416.85
8.0.220.0000.00716.74
8.0.210.0000.00816.80
8.0.200.0000.00817.00
8.0.190.0030.00516.97
8.0.180.0000.00716.96
8.0.170.0080.00016.91
8.0.160.0000.00816.76
8.0.150.0040.00416.79
8.0.140.0000.00716.77
8.0.130.0030.00313.31
8.0.120.0030.00616.83
8.0.110.0040.00416.85
8.0.100.0030.00416.89
8.0.90.0070.00016.95
8.0.80.0060.00916.79
8.0.70.0070.00016.77
8.0.60.0040.00416.76
8.0.50.0040.00416.75
8.0.30.0090.00817.04
8.0.20.0110.00817.41
8.0.10.0040.00416.98
8.0.00.0090.00916.67
7.4.330.0030.00315.55
7.4.320.0000.00716.55
7.4.300.0060.00016.58
7.4.290.0030.00616.65
7.4.280.0000.00916.51
7.4.270.0060.00316.41
7.4.260.0090.00316.64
7.4.250.0030.00616.42
7.4.240.0030.00316.50
7.4.230.0070.00016.54
7.4.220.0110.00716.43
7.4.210.0070.01316.60
7.4.200.0000.00716.69
7.4.160.0050.01116.70
7.4.150.0150.00317.40
7.4.140.0140.00617.86
7.4.130.0060.01316.57
7.4.120.0070.01416.48
7.4.110.0120.00416.56
7.4.100.0110.00816.69
7.4.90.0100.00716.52
7.4.80.0040.01419.39
7.4.70.0120.01216.59
7.4.60.0070.01016.52
7.4.50.0090.00616.51
7.4.40.0090.00616.40
7.4.30.0080.01116.59
7.4.00.0030.01514.94
7.3.330.0000.00613.33
7.3.320.0000.00713.43
7.3.310.0030.00716.39
7.3.300.0030.00316.21
7.3.290.0080.00916.31
7.3.280.0090.00916.33
7.3.270.0120.00617.40
7.3.260.0130.00816.43
7.3.250.0110.00816.27
7.3.240.0070.01116.41
7.3.230.0060.01516.40
7.3.210.0110.00616.40
7.3.200.0100.00716.38
7.3.190.0060.01116.61
7.3.180.0060.00916.42
7.3.170.0040.01216.53
7.3.160.0100.00716.44
7.3.120.0060.01315.01
7.3.110.0160.00014.74
7.3.100.0000.01414.47
7.3.90.0040.01114.82
7.3.80.0090.00615.08
7.3.70.0080.00614.68
7.3.60.0060.00314.82
7.3.50.0070.00714.81
7.3.40.0000.01314.63
7.3.30.0040.00414.69
7.3.20.0000.01316.70
7.3.10.0000.01416.49
7.3.00.0090.00316.27
7.2.330.0190.00616.71
7.2.320.0130.00316.42
7.2.310.0110.00616.76
7.2.300.0060.01516.62
7.2.290.0110.01116.50
7.2.250.0060.01315.13
7.2.240.0070.01315.02
7.2.230.0030.01315.07
7.2.220.0100.00614.99
7.2.210.0070.01015.08
7.2.200.0030.00615.22
7.2.190.0070.00714.93
7.2.180.0090.00614.88
7.2.170.0030.00614.72
7.2.80.0160.00316.61
7.2.60.0090.00316.69
7.2.00.0250.01719.01
7.1.330.0030.01015.87
7.1.320.0030.01015.96
7.1.310.0040.01115.97
7.1.300.0000.00815.73
7.1.290.0040.01115.75
7.1.280.0030.00615.83
7.1.270.0030.00915.93
7.1.260.0060.00315.61
7.1.200.0150.00315.61
7.1.70.0000.00917.12
7.1.60.0040.00716.89
7.1.50.0570.01033.05
7.1.40.0400.01732.56
7.1.30.0500.01032.61
7.1.20.0430.01032.59
7.1.10.0470.01014.84
7.1.00.0230.01014.78
7.0.200.0000.01616.80
7.0.190.0370.01014.82
7.0.180.0430.00714.16
7.0.170.0330.00714.31
7.0.160.0400.00714.51
7.0.150.0300.00714.31
7.0.140.0270.01014.33
7.0.130.0730.01314.72
7.0.120.0400.01014.84
7.0.110.0330.00314.41
7.0.100.0230.01014.47
7.0.90.0300.00714.39
7.0.80.0330.00714.46
7.0.70.0300.00714.45
7.0.60.0270.01014.10
7.0.50.0270.00714.54
7.0.40.0200.01014.76
7.0.30.0200.01314.64
7.0.20.0270.00314.37
7.0.10.0230.00714.39
7.0.00.0170.01314.38

preferences:
56.08 ms | 400 KiB | 5 Q