3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { protected $a = 'AAA'; private $b = 'BBB'; public function printB() { echo $this->b.PHP_EOL; } } class B extends A { public function printB2() { echo $this->b.PHP_EOL; } public function printA() { echo $this->a.PHP_EOL; } } $obj = new B; $obj->printA(); $obj->printB(); $obj->printB2();

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)
8.3.60.0060.00918.56
8.3.50.0120.00722.84
8.3.40.0150.00419.02
8.3.30.0140.00722.96
8.3.20.0070.00723.56
8.2.180.0190.00316.50
8.2.170.0150.00622.96
8.2.160.0070.00722.96
8.2.150.0100.00722.96
8.1.280.0030.01025.92
7.4.10.0140.01115.13
7.4.00.0090.01314.88
7.3.130.0170.01314.80
7.3.120.0140.00814.80
7.3.110.0150.00814.74
7.3.100.0140.00514.81
7.3.90.0060.01514.68
7.3.80.0070.01214.64
7.3.70.0130.00414.62
7.3.60.0150.00714.75
7.3.50.0120.01114.83
7.3.40.0110.00814.82
7.3.30.0090.01114.64
7.3.20.0110.00916.77
7.3.10.0130.00716.59
7.3.00.0100.01116.61
7.2.260.0170.01114.86
7.2.250.0120.01014.72
7.2.240.0060.01915.13
7.2.230.0130.00815.02
7.2.220.0080.01414.93
7.2.210.0080.01414.67
7.2.200.0070.01415.19
7.2.190.0160.00615.06
7.2.180.0100.01114.96
7.2.170.0160.00714.99
7.2.160.0150.00914.81
7.2.150.0120.01516.83
7.2.140.0170.00917.02
7.2.130.0120.01216.88
7.2.120.0110.01116.86
7.2.110.0160.00816.84
7.2.100.0120.00516.86
7.2.90.0160.00716.87
7.2.80.0080.00813.28
7.2.70.0080.01013.30
7.2.60.0080.00915.18
7.2.50.0110.00813.34
7.2.40.0120.00714.17
7.2.30.0110.01017.07
7.2.20.0080.01316.65
7.2.10.0090.01316.72
7.2.00.0050.01217.61
7.1.330.0090.01015.49
7.1.320.0130.00615.61
7.1.310.0120.00715.53
7.1.300.0080.01115.57
7.1.290.0080.01215.73
7.1.280.0070.01415.63
7.1.270.0150.00715.59
7.1.260.0100.01115.61
7.1.250.0120.00715.80
7.1.240.0130.01415.66
7.1.230.0140.01115.36
7.1.220.0270.00015.70
7.1.210.0200.00815.62
7.1.200.0110.01115.59
7.1.190.0150.01115.71
7.1.180.0170.01215.62
7.1.170.0190.01115.59
7.1.160.0230.00615.42
7.1.150.0170.01315.54
7.1.140.0180.00915.73
7.1.130.0230.00015.70
7.1.120.0110.01415.41
7.1.110.0180.00915.71
7.1.100.0120.00716.93
7.1.90.0130.01315.36
7.1.80.0100.01615.82
7.1.70.0540.00715.31
7.1.60.0110.00917.38
7.1.50.0150.00716.31
7.1.40.0170.01115.75
7.1.30.0110.01815.59
7.1.20.0160.01415.54
7.1.10.0100.01415.80
7.1.00.0090.04119.07
7.0.330.0220.00315.25
7.0.320.0140.01015.32
7.0.310.0190.0009.88
7.0.300.0230.00215.45
7.0.290.0200.00815.26
7.0.280.0060.01915.18
7.0.270.0180.00915.35
7.0.260.0160.00915.49
7.0.250.0180.00915.13
7.0.240.0140.01115.28
7.0.230.0180.00915.38
7.0.220.0170.00715.46
7.0.210.0160.01015.32
7.0.200.0050.01015.89
7.0.190.0170.01115.42
7.0.180.0190.00715.32
7.0.170.0160.01315.15
7.0.160.0190.00915.21
7.0.150.0110.01615.23
7.0.140.0090.04218.67
7.0.130.0200.00715.28
7.0.120.0210.00415.18
7.0.110.0150.01215.43
7.0.100.0230.00815.44
7.0.90.0150.01115.46
7.0.80.0160.01215.45
7.0.70.0170.00715.45
7.0.60.0160.02717.56
7.0.50.0090.02214.48
7.0.40.0160.03816.92
7.0.30.0250.02816.78
7.0.20.0110.03116.67
7.0.10.0170.04116.87
7.0.00.0140.04516.65
5.6.400.0140.00914.30
5.6.390.0150.01214.31
5.6.380.0220.00714.25
5.6.370.0180.00714.36
5.6.360.0190.00914.39
5.6.350.0170.00814.21
5.6.340.0160.01614.54
5.6.330.0120.0069.88
5.6.320.0190.0009.88
5.6.310.0120.02014.57
5.6.300.0160.01314.64
5.6.290.0220.00614.68
5.6.280.0110.01714.50
5.6.270.0150.01314.53
5.6.260.0150.01514.29
5.6.250.0090.01814.49
5.6.240.0140.01114.23
5.6.230.0120.01614.25
5.6.220.0200.00814.30
5.6.210.0130.04217.52
5.6.200.0120.04816.17
5.6.190.0080.02817.40
5.6.180.0150.03417.39
5.6.170.0220.04417.28
5.6.160.0080.02817.46
5.6.150.0170.03416.29
5.6.140.0140.02616.07
5.6.130.0080.02516.18
5.6.120.0120.04717.81
5.6.110.0210.02517.76
5.6.100.0170.04017.63
5.6.90.0170.04017.60
5.6.80.0190.03917.34
5.6.70.0190.00914.32
5.6.60.0150.01514.15
5.6.50.0110.01614.00
5.6.40.0150.01214.47
5.6.30.0210.00714.16
5.6.20.0150.01114.24
5.6.10.0160.01214.14
5.6.00.0180.00914.26
5.5.380.0120.01014.27
5.5.370.0140.01014.14
5.5.360.0150.01114.30
5.5.350.0140.04417.38
5.5.340.0100.04916.10
5.5.330.0080.05217.28
5.5.320.0120.04817.40
5.5.310.0150.03517.29
5.5.300.0120.04216.32
5.5.290.0160.04216.09
5.5.280.0110.02617.48
5.5.270.0150.04417.57
5.5.260.0070.02717.46
5.5.250.0110.02317.43
5.5.240.0200.04417.28
5.5.230.0180.00914.00
5.5.220.0100.01414.14
5.5.210.0180.00614.41
5.5.200.0110.01414.32
5.5.190.0170.00814.06
5.5.180.0180.00714.32
5.5.170.0130.00813.91
5.5.160.0180.00613.99
5.5.150.0090.01414.47
5.5.140.0190.00814.21
5.5.130.0130.01314.14
5.5.120.0180.00714.24
5.5.110.0150.01014.38
5.5.100.0220.00514.27
5.5.90.0110.01114.08
5.5.80.0170.00413.97
5.5.70.0180.00514.25
5.5.60.0150.00914.15
5.5.50.0150.01014.22
5.5.40.0120.01214.11
5.5.30.0210.00614.21
5.5.20.0040.02114.08
5.5.10.0090.01514.18
5.5.00.0160.01214.43
5.4.450.0070.02415.20
5.4.440.0100.03215.30
5.4.430.0100.02715.24
5.4.420.0180.02615.29
5.4.410.0120.02615.15
5.4.400.0200.02015.02
5.4.390.0100.02915.01
5.4.380.0250.03014.90
5.4.370.0480.03114.76
5.4.360.0270.02514.77
5.4.350.0280.03614.62
5.4.340.0230.03114.72
5.4.330.0040.01110.89
5.4.320.0070.02211.88
5.4.310.0090.02411.75
5.4.300.0080.02311.77
5.4.290.0110.02111.64
5.4.280.0070.03111.79
5.4.270.0110.02711.60
5.4.260.0070.03311.67
5.4.250.0070.03211.65
5.4.240.0060.03211.77
5.4.230.0080.02411.67
5.4.220.0070.03011.55
5.4.210.0080.02811.67
5.4.200.0080.03011.73
5.4.190.0110.02211.76
5.4.180.0130.02311.72
5.4.170.0100.02911.54
5.4.160.0080.02511.69
5.4.150.0090.02511.80
5.4.140.0110.02811.54
5.4.130.0090.02811.71
5.4.120.0110.02711.70
5.4.110.0080.02311.67
5.4.100.0090.02011.60
5.4.90.0120.01911.60
5.4.80.0130.01911.55
5.4.70.0050.02611.58
5.4.60.0130.03911.57
5.4.50.0100.02511.58
5.4.40.0070.02811.58
5.4.30.0040.03311.43
5.4.20.0100.02611.56
5.4.10.0100.02711.53
5.4.00.0070.02911.16
5.3.290.0080.05312.80
5.3.280.0090.04612.71
5.3.270.0090.05212.72
5.3.260.0100.05112.72
5.3.250.0050.05212.72
5.3.240.0080.03412.72
5.3.230.0060.03712.71
5.3.220.0110.03212.68
5.3.210.0000.05212.68
5.3.200.0070.03812.68
5.3.190.0080.03612.68
5.3.180.0070.03612.67
5.3.170.0050.03712.67
5.3.160.0060.03712.68
5.3.150.0030.04012.68
5.3.140.0110.03712.66
5.3.130.0060.04412.66
5.3.120.0050.04012.66
5.3.110.0080.03612.66
5.3.100.0070.03612.12
5.3.90.0090.03312.11
5.3.80.0090.03412.10
5.3.70.0070.03512.10
5.3.60.0080.03412.08
5.3.50.0070.03512.03
5.3.40.0060.03712.03
5.3.30.0070.03411.99
5.3.20.0060.03811.77
5.3.10.0020.03911.73
5.3.00.0070.03511.72
5.2.170.0030.0329.23
5.2.160.0080.0269.22
5.2.150.0060.0319.22
5.2.140.0030.0329.22
5.2.130.0030.0329.18
5.2.120.0060.0289.18
5.2.110.0060.0289.19
5.2.100.0060.0289.18
5.2.90.0050.0289.18
5.2.80.0040.0379.18
5.2.70.0080.0309.18
5.2.60.0070.0279.13
5.2.50.0070.0299.10
5.2.40.0100.0259.07
5.2.30.0050.0309.05
5.2.20.0060.0289.05
5.2.10.0040.0298.95
5.2.00.0040.0308.81
5.1.60.0040.0248.09
5.1.50.0040.0258.09
5.1.40.0030.0258.07
5.1.30.0050.0248.42
5.1.20.0030.0278.44
5.1.10.0020.0278.16
5.1.00.0030.0308.16
5.0.50.0030.0206.65
5.0.40.0060.0166.50
5.0.30.0020.0326.32
5.0.20.0030.0196.28
5.0.10.0050.0186.26
5.0.00.0020.0316.25
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0050.0134.75
4.4.50.0000.0184.77
4.4.40.0030.0254.71
4.4.30.0010.0174.76
4.4.20.0030.0154.85
4.4.10.0000.0184.85
4.4.00.0010.0264.76
4.3.110.0010.0174.67
4.3.100.0040.0134.66
4.3.90.0050.0124.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0050.0204.63
4.3.40.0050.0304.54
4.3.30.0030.0203.28
4.3.20.0010.0223.26
4.3.10.0020.0203.22
4.3.00.0200.01714.39

preferences:
40.87 ms | 401 KiB | 5 Q