3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $a = 1; public function b() { print_r($this->$a); } } $f = new foo; $f.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)
8.3.60.0070.00716.50
8.3.50.0120.01017.54
8.3.40.0140.00418.96
8.3.30.0070.00718.62
8.3.20.0040.00418.69
8.3.10.0030.00620.48
8.3.00.0080.00019.25
8.2.180.0150.00318.30
8.2.170.0110.00422.96
8.2.160.0090.00920.57
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00020.93
8.2.110.0040.00719.29
8.2.100.0060.00617.83
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0000.00717.80
8.2.50.0000.00918.10
8.2.40.0000.00718.16
8.2.30.0000.00817.95
8.2.20.0030.00617.64
8.2.10.0040.00417.75
8.2.00.0000.00717.75
8.1.280.0120.00325.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00822.80
8.1.230.0030.00717.82
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.25
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0110.00018.75
8.1.160.0000.00718.74
8.1.150.0040.00418.59
8.1.140.0000.00717.45
8.1.130.0030.00517.79
8.1.120.0040.00417.42
8.1.110.0030.00517.38
8.1.100.0050.00217.39
8.1.90.0030.00417.40
8.1.80.0030.00317.31
8.1.70.0000.00717.34
8.1.60.0000.00717.47
8.1.50.0030.00517.37
8.1.40.0000.00817.57
8.1.30.0000.00817.54
8.1.20.0000.00717.57
8.1.10.0000.00817.57
8.1.00.0000.00817.38
8.0.300.0000.00720.56
8.0.290.0030.00916.63
8.0.280.0070.00018.45
8.0.270.0030.00317.12
8.0.260.0000.00616.76
8.0.250.0080.00016.99
8.0.240.0000.00716.84
8.0.230.0000.00716.87
8.0.220.0040.00416.81
8.0.210.0020.00516.91
8.0.200.0030.00316.85
8.0.190.0030.00316.84
8.0.180.0070.00016.83
8.0.170.0000.00716.76
8.0.160.0000.00816.98
8.0.150.0040.00416.87
8.0.140.0000.00816.85
8.0.130.0060.00013.25
8.0.120.0040.00416.86
8.0.110.0000.00816.96
8.0.100.0000.00716.82
8.0.90.0000.00816.93
8.0.80.0030.01316.82
8.0.70.0060.00316.92
8.0.60.0000.00716.93
8.0.50.0040.00416.77
8.0.30.0030.01517.07
8.0.20.0140.00916.95
8.0.10.0040.00416.87
8.0.00.0090.01016.80
7.4.330.0000.00512.89
7.4.320.0060.00016.34
7.4.300.0040.00416.54
7.4.290.0000.00716.61
7.4.280.0040.00416.59
7.4.270.0030.00316.50
7.4.260.0000.00513.17
7.4.250.0000.01016.45
7.4.240.0040.00416.49
7.4.230.0070.00016.58
7.4.220.0060.01216.60
7.4.210.0060.01016.59
7.4.200.0000.00816.63
7.4.190.0040.00416.64
7.4.160.0130.00316.39
7.4.150.0150.00316.34
7.4.140.0100.00716.51
7.4.130.0150.00516.60
7.4.120.0070.01216.44
7.4.110.0000.01716.77
7.4.100.0130.00716.45
7.4.90.0140.00816.52
7.4.80.0040.01219.39
7.4.70.0080.00916.30
7.4.60.0070.01016.65
7.4.50.0030.00316.23
7.4.40.0060.00816.42
7.4.30.0110.01116.61
7.4.00.0130.00314.99
7.3.330.0030.00313.30
7.3.320.0030.00313.13
7.3.310.0000.00716.31
7.3.300.0040.00416.30
7.3.290.0060.00916.34
7.3.280.0080.01016.28
7.3.270.0120.00616.54
7.3.260.0080.01216.52
7.3.250.0100.00616.37
7.3.240.0160.00616.32
7.3.230.0090.00916.54
7.3.210.0060.01016.33
7.3.200.0000.01716.49
7.3.190.0090.00916.45
7.3.180.0060.01216.44
7.3.170.0070.01116.49
7.3.160.0090.00916.47
7.3.120.0030.00714.65
7.2.330.0140.00316.67
7.2.320.0140.00416.58
7.2.310.0080.01116.48
7.2.300.0090.00916.33
7.2.290.0100.00716.74
7.2.60.0000.01216.64
7.2.00.0060.00619.10
7.1.200.0080.00315.65
7.1.100.0030.01318.20
7.1.70.0070.00717.00
7.1.60.0100.01419.40
7.1.50.0070.01116.62
7.1.00.0000.05022.36
7.0.200.0070.00016.45
7.0.140.0000.07321.99
7.0.120.0030.05022.13
7.0.60.0070.06719.95
7.0.50.0070.08317.97
7.0.40.0030.09320.14
7.0.30.0070.08720.18
7.0.20.0100.08320.25
7.0.10.0030.05720.10
7.0.00.0100.08020.01
5.6.280.0030.07321.13
5.6.210.0130.08020.52
5.6.200.0030.05718.29
5.6.190.0070.07020.64
5.6.180.0000.08320.47
5.6.170.0030.08320.41
5.6.160.0200.07020.57
5.6.150.0130.08020.33
5.6.140.0100.07720.45
5.6.130.0100.07720.50
5.6.120.0070.08720.33
5.6.110.0100.06720.51
5.6.100.0070.08320.16
5.6.90.0170.08020.50
5.6.80.0070.07319.61
5.6.70.0030.04319.60
5.6.60.0000.04719.88
5.6.50.0070.08019.75
5.6.40.0030.08319.77
5.6.30.0030.08319.79
5.6.20.0030.04719.72
5.6.10.0070.08019.73
5.6.00.0030.07719.75
5.5.350.0170.07720.41
5.5.340.0170.06718.05
5.5.330.0130.07720.40
5.5.320.0030.04720.21
5.5.310.0070.05320.27
5.5.300.0000.09019.97
5.5.290.0070.08020.23
5.5.280.0200.07320.32
5.5.270.0130.08020.31
5.5.260.0100.08719.98
5.5.250.0070.08019.92
5.5.240.0000.05319.50
5.5.230.0070.04719.70
5.5.220.0030.04719.51
5.5.210.0000.09019.35
5.5.200.0070.08019.34
5.5.190.0130.06719.58
5.5.180.0030.07019.55
5.5.160.0000.07019.55
5.5.150.0030.04719.67
5.5.140.0170.07019.46
5.5.130.0000.04719.37
5.5.120.0070.03719.47
5.5.110.0170.05319.48
5.5.100.0030.07319.57
5.5.90.0100.06319.45
5.5.80.0070.03719.45
5.5.70.0100.03719.54
5.5.60.0030.04019.21
5.5.50.0000.04319.53
5.5.40.0000.04319.37
5.5.30.0000.04319.44
5.5.20.0030.03719.28
5.5.10.0070.03719.49
5.5.00.0070.03719.48
5.4.450.0200.07319.30
5.4.440.0030.08019.47
5.4.430.0170.06319.44
5.4.420.0130.07019.60
5.4.410.0100.04319.34
5.4.400.0100.07318.98
5.4.390.0170.07318.95
5.4.380.0030.07319.08
5.4.370.0100.08019.15
5.4.360.0100.07718.99
5.4.350.0030.05019.10
5.4.340.0030.07719.21
5.4.320.0000.08719.20
5.4.310.0030.06318.94
5.4.300.0030.04318.85
5.4.290.0100.03719.09
5.4.280.0000.04018.92
5.4.270.0070.07718.84
5.4.260.0170.05719.23
5.4.250.0030.07019.14
5.4.240.0070.07318.86
5.4.230.0000.04318.97
5.4.220.0000.04319.15
5.4.210.0030.03719.00
5.4.200.0030.03719.14
5.4.190.0000.04019.07
5.4.180.0000.04319.13
5.4.170.0030.03719.15
5.4.160.0000.04019.13
5.4.150.0000.04019.13
5.4.140.0030.03316.52
5.4.130.0070.03016.37
5.4.120.0030.03316.25
5.4.110.0070.03016.43
5.4.100.0000.03716.30
5.4.90.0070.03316.47
5.4.80.0130.02316.36
5.4.70.0030.03316.41
5.4.60.0030.03316.26
5.4.50.0070.03316.46
5.4.40.0000.03716.38
5.4.30.0000.04016.64
5.4.20.0030.03316.50
5.4.10.0030.03316.27
5.4.00.0100.03015.95
5.3.290.0130.06014.68
5.3.280.0000.04014.58
5.3.270.0070.04314.75
5.3.260.0100.03014.53
5.3.250.0070.03314.75
5.3.240.0030.04014.52
5.3.230.0070.03314.60
5.3.220.0100.02714.59
5.3.210.0000.04014.57
5.3.200.0000.04014.55
5.3.190.0000.04014.59
5.3.180.0030.03714.60
5.3.170.0030.03714.63
5.3.160.0000.03714.70
5.3.150.0000.04014.44
5.3.140.0030.03714.58
5.3.130.0030.03714.57
5.3.120.0100.03014.55
5.3.110.0030.03714.59
5.3.100.0070.03314.04
5.3.90.0030.03314.05
5.3.80.0070.03014.04
5.3.70.0000.04714.17
5.3.60.0000.03713.89
5.3.50.0030.03314.00
5.3.40.0030.03714.00
5.3.30.0000.03713.82
5.3.20.0070.06313.84
5.3.10.0070.05713.57
5.3.00.0000.05013.65
5.2.170.0070.02311.31
5.2.160.0030.02711.18
5.2.150.0000.03011.16
5.2.140.0030.04011.20
5.2.130.0030.05311.18
5.2.120.0030.03711.11
5.2.110.0030.05711.15
5.2.100.0100.04310.99
5.2.90.0030.03311.08
5.2.80.0000.04311.12
5.2.70.0030.03711.05
5.2.60.0070.06011.06
5.2.50.0100.06011.09
5.2.40.0070.03011.03
5.2.30.0030.06311.11
5.2.20.0070.06311.03
5.2.10.0000.04710.81
5.2.00.0030.06010.86
5.1.60.0030.03710.01
5.1.50.0000.0439.98
5.1.40.0030.0309.99
5.1.30.0030.03010.29
5.1.20.0070.02310.34
5.1.10.0030.0609.98
5.1.00.0070.05310.22
5.0.50.0000.0278.59
5.0.40.0000.0238.56
5.0.30.0030.0278.38
5.0.20.0030.0178.24
5.0.10.0000.0208.12
5.0.00.0070.0678.13
4.4.90.0000.0376.94
4.4.80.0070.0306.94
4.4.70.0000.0276.94
4.4.60.0000.0236.94
4.4.50.0030.0306.94
4.4.40.0030.0376.94
4.4.30.0000.0206.94
4.4.20.0000.0376.94
4.4.10.0000.0276.94
4.4.00.0030.0236.94
4.3.110.0030.0136.94
4.3.100.0030.0376.94
4.3.90.0070.0106.94
4.3.80.0000.0306.94
4.3.70.0030.0136.94
4.3.60.0030.0336.94
4.3.50.0000.0306.94
4.3.40.0100.0336.94
4.3.30.0000.0336.94
4.3.20.0030.0306.94
4.3.10.0000.0236.94
4.3.00.0000.0306.94

preferences:
34.67 ms | 401 KiB | 5 Q