3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class PageObject { const X = "Don't print this!"; public function __construct() { echo self::X; echo static::X; } } class Test extends PageObject { const X = "OMG"; public function __construct() { parent::__construct(); echo parent::X; } } $x = new Test;

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)
8.3.70.0170.00318.43
8.3.60.0180.00318.30
8.3.50.0110.00921.92
8.3.40.0110.00318.79
8.3.30.0070.00718.84
8.3.20.0000.00720.30
8.3.10.0040.00420.21
8.3.00.0050.00322.52
8.2.190.0060.00916.58
8.2.180.0150.00316.73
8.2.170.0100.01022.96
8.2.160.0140.00020.82
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0100.00326.16
8.2.120.0000.00919.36
8.2.110.0030.00720.52
8.2.100.0040.00717.79
8.2.90.0060.00318.22
8.2.80.0030.00618.03
8.2.70.0030.00517.50
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0060.00319.82
8.2.30.0050.00218.00
8.2.20.0040.00417.72
8.2.10.0070.00017.69
8.2.00.0000.00817.67
8.1.280.0030.01725.92
8.1.270.0030.00622.13
8.1.260.0070.00726.35
8.1.250.0020.00528.09
8.1.240.0090.00022.19
8.1.230.0050.00520.89
8.1.220.0090.00017.74
8.1.210.0000.00818.88
8.1.200.0060.00317.36
8.1.190.0000.00817.53
8.1.180.0030.00618.79
8.1.170.0030.00618.63
8.1.160.0000.00721.89
8.1.150.0040.00418.67
8.1.140.0040.00417.39
8.1.130.0000.00717.76
8.1.120.0000.00717.36
8.1.110.0000.00717.34
8.1.100.0050.00217.51
8.1.90.0000.00717.35
8.1.80.0000.00717.35
8.1.70.0000.00717.27
8.1.60.0030.00617.45
8.1.50.0070.00017.44
8.1.40.0070.00017.50
8.1.30.0000.00917.60
8.1.20.0050.00317.61
8.1.10.0040.00417.47
8.1.00.0000.00817.55
8.0.300.0000.00720.16
8.0.290.0080.00017.05
8.0.280.0030.00318.45
8.0.270.0000.00717.25
8.0.260.0000.00716.70
8.0.250.0030.00316.82
8.0.240.0000.00716.99
8.0.230.0040.00416.98
8.0.220.0000.00616.90
8.0.210.0050.00316.91
8.0.200.0000.00716.96
8.0.190.0000.00716.83
8.0.180.0040.00416.88
8.0.170.0040.00416.75
8.0.160.0040.00416.89
8.0.150.0000.00716.83
8.0.140.0000.00816.75
8.0.130.0000.00613.36
8.0.120.0060.00316.91
8.0.110.0050.00316.80
8.0.100.0070.00016.88
8.0.90.0000.00816.78
8.0.80.0210.00016.81
8.0.70.0000.00816.88
8.0.60.0000.00716.69
8.0.50.0000.00716.86
8.0.30.0150.00717.16
8.0.20.0120.00617.40
8.0.10.0000.00816.89
8.0.00.0070.01016.67
7.4.330.0020.00215.00
7.4.320.0000.00616.52
7.4.300.0070.00016.61
7.4.290.0000.00816.44
7.4.280.0000.00716.62
7.4.270.0000.00816.52
7.4.260.0030.00316.35
7.4.250.0000.00716.57
7.4.240.0040.00416.54
7.4.230.0000.00716.43
7.4.220.0040.01516.55
7.4.210.0120.00516.51
7.4.200.0000.00716.71
7.4.190.0030.00316.75
7.4.160.0080.00816.34
7.4.150.0120.00617.40
7.4.140.0090.01217.86
7.4.130.0090.00816.40
7.4.120.0110.01216.49
7.4.110.0040.01116.46
7.4.100.0060.01716.55
7.4.90.0140.00716.42
7.4.80.0090.00919.39
7.4.70.0090.00916.41
7.4.60.0100.00716.58
7.4.50.0020.00216.30
7.4.40.0110.00622.77
7.4.30.0040.01416.54
7.4.00.0030.01014.93
7.3.330.0000.00513.29
7.3.320.0000.00513.09
7.3.310.0000.00616.34
7.3.300.0030.00316.18
7.3.290.0090.00616.28
7.3.280.0050.01216.27
7.3.270.0110.00817.40
7.3.260.0070.01116.47
7.3.250.0110.00516.52
7.3.240.0060.01216.50
7.3.230.0130.00316.39
7.3.210.0070.01016.25
7.3.200.0080.01119.39
7.3.190.0060.01816.19
7.3.180.0070.01016.56
7.3.170.0060.01216.28
7.3.160.0100.00616.29
7.3.120.0030.01214.49
7.2.330.0120.00916.79
7.2.320.0000.01716.36
7.2.310.0070.01016.42
7.2.300.0040.01116.29
7.2.290.0120.00916.72
7.2.00.0030.01019.27
7.1.100.0000.01118.00
7.1.70.0050.00317.06
7.1.60.0130.01019.82
7.1.50.0090.00916.94
7.1.00.0000.08022.54
7.0.200.0030.00516.34
7.0.140.0000.07721.99
7.0.100.0130.05020.00
7.0.90.0170.08719.86
7.0.80.0030.06319.98
7.0.70.0030.06719.97
7.0.60.0230.06719.96
7.0.50.0030.07720.24
7.0.40.0170.07720.07
7.0.30.0030.07320.12
7.0.20.0100.03720.07
7.0.10.0100.04320.13
7.0.00.0100.05020.02
5.6.280.0070.07020.78
5.6.250.0000.06720.78
5.6.240.0030.07320.51
5.6.230.0100.04720.59
5.6.220.0030.05020.47
5.6.210.0070.04320.59
5.6.200.0070.07021.09
5.6.190.0130.07721.09
5.6.180.0100.06321.08
5.6.170.0070.06721.04
5.6.160.0070.08021.02
5.6.150.0100.05021.11
5.6.140.0070.04721.05
5.6.130.0030.08721.04
5.6.120.0030.08321.13
5.6.110.0000.04721.07
5.6.100.0130.07721.02
5.6.90.0100.06321.15
5.6.80.0170.06320.43
5.6.70.0030.05020.34
5.6.60.0230.06320.38
5.6.50.0070.05720.52
5.6.40.0070.05020.46
5.6.30.0100.07320.41
5.6.20.0100.04020.44
5.6.10.0100.07320.46
5.6.00.0170.04320.39
5.5.380.0070.05020.42
5.5.370.0130.08020.42
5.5.360.0030.08020.34
5.5.350.0170.07720.34
5.5.340.0030.08320.81
5.5.330.0100.08020.94
5.5.320.0100.06320.80
5.5.310.0070.05020.89
5.5.300.0270.07020.77
5.5.290.0100.08320.79
5.5.280.0030.09320.79
5.5.270.0200.07320.77
5.5.260.0130.07720.79
5.5.250.0100.07320.67
5.5.240.0070.04720.15
5.5.230.0100.07720.02
5.5.220.0030.05020.17
5.5.210.0170.06720.15
5.5.200.0070.04320.23
5.5.190.0100.07320.21
5.5.180.0070.05320.26
5.5.160.0030.07020.25
5.5.150.0070.06020.11
5.5.140.0070.07020.15
5.5.130.0100.07720.27
5.5.120.0100.07320.11
5.5.110.0070.06020.27
5.5.100.0130.06720.09
5.5.90.0030.05320.17
5.5.80.0070.06719.98
5.5.70.0100.07020.14
5.5.60.0030.05319.96
5.5.50.0070.04720.09
5.5.40.0200.03020.14
5.5.30.0170.06020.05
5.5.20.0130.07020.05
5.5.10.0130.05020.05
5.5.00.0030.05320.04
5.4.450.0100.07719.27
5.4.440.0070.07319.24
5.4.430.0030.07319.53
5.4.420.0100.04019.53
5.4.410.0070.04019.41
5.4.400.0200.05019.04
5.4.390.0000.05018.94
5.4.380.0070.07718.95
5.4.370.0030.07718.95
5.4.360.0000.07319.18
5.4.350.0070.03718.91
5.4.340.0070.04719.15
5.4.320.0030.07019.13
5.4.310.0170.06019.23
5.4.300.0100.07019.23
5.4.290.0200.06019.05
5.4.280.0070.07019.04
5.4.270.0100.07019.02
5.4.260.0070.06718.87
5.4.250.0030.05018.94
5.4.240.0070.07718.89
5.4.230.0030.06019.20
5.4.220.0070.07719.17
5.4.210.0130.04719.08
5.4.200.0130.06018.94
5.4.190.0070.07718.89
5.4.180.0070.08019.16
5.4.170.0070.07719.02
5.4.160.0070.04719.07
5.4.150.0130.07019.02
5.4.140.0100.05716.51
5.4.130.0070.06316.41
5.4.120.0100.06716.38
5.4.110.0100.04016.51
5.4.100.0030.04016.56
5.4.90.0030.07716.52
5.4.80.0170.05316.54
5.4.70.0030.05316.38
5.4.60.0000.07716.42
5.4.50.0030.06316.36
5.4.40.0130.06316.37
5.4.30.0170.06716.33
5.4.20.0130.07016.36
5.4.10.0030.07716.32
5.4.00.0070.07715.90
5.3.290.0100.07314.77
5.3.280.0070.03714.54
5.3.270.0100.05014.54
5.3.260.0030.06714.55
5.3.250.0030.08014.57
5.3.240.0100.07014.67
5.3.230.0030.06014.55
5.3.220.0070.04314.61
5.3.210.0070.05014.58
5.3.200.0030.07014.63
5.3.190.0030.04714.62
5.3.180.0100.07314.52
5.3.170.0100.06714.61
5.3.160.0100.06714.58
5.3.150.0170.06314.61
5.3.140.0030.04314.48
5.3.130.0000.08014.58
5.3.120.0100.07314.64
5.3.110.0030.06014.67
5.3.100.0100.06314.06
5.3.90.0000.05314.11
5.3.80.0100.05013.95
5.3.70.0030.05714.12
5.3.60.0070.03314.03
5.3.50.0100.03714.00
5.3.40.0070.07313.84
5.3.30.0030.07313.93
5.3.20.0030.03713.75
5.3.10.0030.06013.79
5.3.00.0070.05713.57
5.2.170.0070.05711.05
5.2.160.0070.06311.07
5.2.150.0070.05011.15
5.2.140.0070.06011.24
5.2.130.0070.05311.21
5.2.120.0030.03711.16
5.2.110.0070.05011.09
5.2.100.0070.05311.15
5.2.90.0070.04711.01
5.2.80.0000.06711.21
5.2.70.0030.05311.08
5.2.60.0100.05311.14
5.2.50.0070.05711.15
5.2.40.0070.04710.86
5.2.30.0130.04311.04
5.2.20.0000.06310.95
5.2.10.0030.06710.98
5.2.00.0030.06710.83
5.1.60.0130.02010.08
5.1.50.0000.04310.02
5.1.40.0070.0339.96
5.1.30.0170.04310.48
5.1.20.0100.04310.41
5.1.10.0100.03310.06
5.1.00.0000.0609.92
5.0.50.0000.0478.62
5.0.40.0030.0478.54
5.0.30.0000.0608.27
5.0.20.0000.0378.27
5.0.10.0100.0278.27
5.0.00.0030.0678.27
4.4.90.0070.0338.27
4.4.80.0030.0138.27
4.4.70.0000.0378.27
4.4.60.0030.0378.27
4.4.50.0030.0178.27
4.4.40.0000.0578.27
4.4.30.0030.0308.27
4.4.20.0070.0138.27
4.4.10.0000.0208.27
4.4.00.0000.0538.27
4.3.110.0030.0208.27
4.3.100.0000.0378.27
4.3.90.0070.0308.27
4.3.80.0000.0508.27
4.3.70.0030.0338.27
4.3.60.0030.0278.27
4.3.50.0000.0378.27
4.3.40.0000.0578.27
4.3.30.0000.0408.27
4.3.20.0000.0408.27
4.3.10.0030.0338.27
4.3.00.0000.0378.27

preferences:
61.3 ms | 401 KiB | 5 Q