3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 'a'; var_dump($v['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)
8.3.60.0070.00718.30
8.3.50.0040.01818.08
8.3.40.0070.00718.54
8.3.30.0100.00319.22
8.3.20.0040.00420.25
8.3.10.0070.00023.36
8.3.00.0030.00519.56
8.2.180.0090.00616.75
8.2.170.0110.00422.96
8.2.160.0120.00320.49
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0090.00020.97
8.2.110.0040.00719.26
8.2.100.0000.01117.91
8.2.90.0080.00019.23
8.2.80.0090.00017.97
8.2.70.0030.00517.79
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0000.00720.39
8.2.30.0040.00418.13
8.2.20.0000.00717.64
8.2.10.0040.00417.93
8.2.00.0070.00017.78
8.1.270.0030.00622.46
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.01023.91
8.1.230.0070.00317.89
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0000.00917.36
8.1.190.0080.00017.23
8.1.180.0080.00318.10
8.1.170.0080.00018.50
8.1.160.0000.00722.13
8.1.150.0050.00318.88
8.1.140.0070.00017.38
8.1.130.0030.00317.75
8.1.120.0000.00817.42
8.1.110.0000.00717.43
8.1.100.0040.00417.43
8.1.90.0080.00017.34
8.1.80.0030.00617.38
8.1.70.0070.00017.30
8.1.60.0060.00317.53
8.1.50.0000.00817.56
8.1.40.0040.00417.54
8.1.30.0080.00017.66
8.1.20.0000.00817.54
8.1.10.0020.00517.63
8.1.00.0050.00317.36
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0040.00418.38
8.0.270.0030.00317.15
8.0.260.0000.00617.11
8.0.250.0070.00016.99
8.0.240.0030.00316.92
8.0.230.0000.00716.95
8.0.220.0030.00316.86
8.0.210.0000.00716.81
8.0.200.0030.00316.82
8.0.190.0050.00216.80
8.0.180.0030.00916.88
8.0.170.0040.00416.79
8.0.160.0030.00416.83
8.0.150.0030.00316.79
8.0.140.0000.00716.82
8.0.130.0050.00013.32
8.0.120.0020.00516.82
8.0.110.0070.00016.72
8.0.100.0030.00416.84
8.0.90.0000.00816.92
8.0.80.0030.01216.88
8.0.70.0040.00416.93
8.0.60.0040.00416.88
8.0.50.0040.00416.66
8.0.30.0150.00517.05
8.0.20.0110.01217.40
8.0.10.0020.00517.04
8.0.00.0050.01216.48
7.4.330.0020.00215.00
7.4.320.0060.00016.52
7.4.300.0000.00716.37
7.4.290.0000.00616.39
7.4.280.0040.00416.55
7.4.270.0030.00516.36
7.4.260.0000.00716.42
7.4.250.0000.00816.39
7.4.240.0060.00116.52
7.4.230.0000.00716.54
7.4.220.0030.00316.50
7.4.210.0060.00916.55
7.4.200.0000.00716.56
7.4.160.0100.00616.43
7.4.150.0100.00717.40
7.4.140.0140.01317.86
7.4.130.0090.00816.58
7.4.120.0130.00416.44
7.4.110.0110.01116.56
7.4.100.0100.00716.57
7.4.90.0060.01216.31
7.4.80.0070.01019.39
7.4.70.0110.00616.38
7.4.60.0130.00316.38
7.4.50.0030.00616.55
7.4.40.0120.00616.42
7.4.30.0130.00416.43
7.4.00.0030.01315.09
7.3.330.0030.00313.07
7.3.320.0000.00612.97
7.3.310.0000.00816.21
7.3.300.0000.00716.27
7.3.290.0030.01016.21
7.3.280.0100.00716.24
7.3.270.0120.00617.40
7.3.260.0140.00416.47
7.3.250.0120.00516.24
7.3.240.0150.00616.26
7.3.230.0130.00316.39
7.3.210.0090.00916.41
7.3.200.0060.00919.39
7.3.190.0030.01316.43
7.3.180.0090.00616.51
7.3.170.0060.00916.32
7.3.160.0130.00316.30
7.3.120.0150.00014.67
7.2.330.0140.00416.56
7.2.320.0060.01316.54
7.2.310.0150.00316.56
7.2.300.0030.01216.23
7.2.290.0030.01416.55
7.2.60.0250.00016.53
7.2.00.0100.00618.92
7.1.200.0000.01115.87
7.1.100.0000.01217.86
7.1.70.0060.00617.02
7.1.60.0060.01919.70
7.1.50.0040.01917.04
7.1.00.0030.07322.45
7.0.200.0120.00016.48
7.0.140.0000.07721.93
7.0.100.0070.08319.97
7.0.90.0100.04319.93
7.0.80.0030.04019.89
7.0.70.0130.04719.98
7.0.60.0170.04019.95
7.0.50.0100.04020.15
7.0.40.0100.04020.12
7.0.30.0070.03720.02
7.0.20.0070.03720.14
7.0.10.0070.04020.01
7.0.00.0030.04720.07
5.6.280.0000.07721.06
5.6.250.0100.04020.59
5.6.240.0000.04720.69
5.6.230.0030.03720.58
5.6.220.0000.04720.48
5.6.210.0130.03020.74
5.6.200.0030.07020.94
5.6.190.0030.04321.04
5.6.180.0070.04321.15
5.6.170.0030.04320.99
5.6.160.0000.04721.00
5.6.150.0070.04020.91
5.6.140.0000.04721.04
5.6.130.0030.04320.93
5.6.120.0100.05721.01
5.6.110.0030.05321.14
5.6.100.0030.04321.08
5.6.90.0070.04021.06
5.6.80.0100.03320.39
5.6.70.0000.04020.30
5.6.60.0070.03720.28
5.6.50.0130.03020.50
5.6.40.0030.03720.50
5.6.30.0030.04720.33
5.6.20.0000.08720.37
5.6.10.0000.08020.38
5.6.00.0070.07320.27
5.5.380.0030.04320.43
5.5.370.0070.03720.35
5.5.360.0030.04720.39
5.5.350.0070.04320.44
5.5.340.0000.04320.89
5.5.330.0030.06020.71
5.5.320.0100.03320.82
5.5.310.0030.04020.86
5.5.300.0000.04320.86
5.5.290.0030.04720.78
5.5.280.0030.04320.76
5.5.270.0030.04020.85
5.5.260.0030.04320.74
5.5.250.0100.03720.71
5.5.240.0030.04320.13
5.5.230.0030.04020.23
5.5.220.0070.03320.28
5.5.210.0000.04320.22
5.5.200.0070.06720.25
5.5.190.0030.08320.25
5.5.180.0030.03719.98
5.5.160.0100.07320.21
5.5.150.0070.06720.21
5.5.140.0170.03320.21
5.5.130.0070.07320.16
5.5.120.0200.06320.10
5.5.110.0130.04320.12
5.5.100.0100.04720.08
5.5.90.0030.05320.05
5.5.80.0170.07020.13
5.5.70.0100.07020.14
5.5.60.0030.08019.98
5.5.50.0170.07020.09
5.5.40.0070.07020.06
5.5.30.0100.06320.03
5.5.20.0070.05720.13
5.5.10.0030.07020.04
5.5.00.0030.05720.06
5.4.450.0070.03319.33
5.4.440.0000.04319.37
5.4.430.0030.04019.28
5.4.420.0070.03319.39
5.4.410.0000.04019.27
5.4.400.0030.04019.24
5.4.390.0030.03319.03
5.4.380.0070.03719.03
5.4.370.0070.03018.96
5.4.360.0100.03719.14
5.4.350.0000.04319.03
5.4.340.0030.07719.10
5.4.320.0030.04719.01
5.4.310.0130.07019.10
5.4.300.0030.08019.06
5.4.290.0130.07319.16
5.4.280.0030.08018.96
5.4.270.0100.03718.90
5.4.260.0130.05318.89
5.4.250.0070.07319.09
5.4.240.0070.07318.89
5.4.230.0200.06718.89
5.4.220.0100.07319.09
5.4.210.0070.07319.07
5.4.200.0070.07319.22
5.4.190.0270.05019.22
5.4.180.0030.06318.77
5.4.170.0170.06718.98
5.4.160.0030.07719.02
5.4.150.0070.07019.01
5.4.140.0130.06316.27
5.4.130.0130.05016.31
5.4.120.0000.07716.21
5.4.110.0070.07716.22
5.4.100.0030.06016.42
5.4.90.0070.03316.26
5.4.80.0130.06716.19
5.4.70.0100.06316.20
5.4.60.0100.07016.40
5.4.50.0030.07016.28
5.4.40.0070.07716.34
5.4.30.0030.07016.40
5.4.20.0030.06316.25
5.4.10.0000.04716.18
5.4.00.0000.04015.74
5.3.290.0030.08014.62
5.3.280.0030.05014.45
5.3.270.0070.07014.56
5.3.260.0030.05714.59
5.3.250.0100.06714.59
5.3.240.0170.05714.46
5.3.230.0030.06714.53
5.3.220.0130.06014.55
5.3.210.0070.06714.55
5.3.200.0100.06714.42
5.3.190.0100.07714.59
5.3.180.0030.07314.55
5.3.170.0070.08014.55
5.3.160.0030.08014.54
5.3.150.0130.05714.53
5.3.140.0100.07314.46
5.3.130.0070.05314.42
5.3.120.0030.04714.53
5.3.110.0070.06714.40
5.3.100.0130.05713.98
5.3.90.0000.06314.00
5.3.80.0030.06713.95
5.3.70.0070.06713.86
5.3.60.0000.05313.95
5.3.50.0070.07713.92
5.3.40.0070.07713.87
5.3.30.0070.06713.86
5.3.20.0070.04713.69
5.3.10.0070.07713.63
5.3.00.0130.03313.58
5.2.170.0130.06311.00
5.2.160.0100.05311.20
5.2.150.0030.06011.13
5.2.140.0030.05311.13
5.2.130.0100.04310.91
5.2.120.0000.05311.04
5.2.110.0070.05711.17
5.2.100.0130.05311.05
5.2.90.0070.06011.10
5.2.80.0070.05311.04
5.2.70.0070.04311.14
5.2.60.0000.03710.88
5.2.50.0100.04710.85
5.2.40.0070.03010.86
5.2.30.0100.04010.89
5.2.20.0030.06311.03
5.2.10.0030.04310.86
5.2.00.0030.06310.62
5.1.60.0070.0239.98
5.1.50.0030.0309.97
5.1.40.0030.0579.85
5.1.30.0070.04710.23
5.1.20.0070.03710.36
5.1.10.0030.05710.07
5.1.00.0070.05710.07
5.0.50.0100.0338.52
5.0.40.0030.0408.43
5.0.30.0030.0378.23
5.0.20.0030.0208.18
5.0.10.0030.0208.19
5.0.00.0000.0478.09
4.4.90.0070.0278.09
4.4.80.0000.0338.09
4.4.70.0000.0208.09
4.4.60.0000.0378.09
4.4.50.0100.0208.09
4.4.40.0070.0538.09
4.4.30.0000.0208.09
4.4.20.0130.0238.09
4.4.10.0000.0208.09
4.4.00.0000.0308.09
4.3.110.0030.0308.09
4.3.100.0070.0308.09
4.3.90.0070.0308.09
4.3.80.0070.0478.09
4.3.70.0070.0308.09
4.3.60.0000.0338.09
4.3.50.0070.0278.09
4.3.40.0070.0408.09
4.3.30.0030.0208.09
4.3.20.0000.0408.09
4.3.10.0030.0338.09
4.3.00.0000.0378.09

preferences:
48.87 ms | 400 KiB | 5 Q