3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; var_dump(head($x));

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)
8.3.40.0180.00318.79
8.3.30.0030.01019.05
8.3.20.0060.00320.20
8.3.10.0070.00023.52
8.3.00.0100.00017.75
8.2.170.0070.00722.96
8.2.160.0070.00720.36
8.2.150.0050.00524.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.22
8.2.110.0090.00022.24
8.2.100.0040.00817.75
8.2.90.0040.00419.09
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0100.00017.91
8.2.50.0060.00318.07
8.2.40.0050.00319.95
8.2.30.0040.00418.00
8.2.20.0040.00417.68
8.2.10.0040.00418.09
8.2.00.0050.00317.85
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00423.92
8.1.230.0110.00017.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.25
8.1.180.0090.00018.10
8.1.170.0040.00418.52
8.1.160.0080.00021.91
8.1.150.0070.00018.81
8.1.140.0000.00817.30
8.1.130.0040.00417.42
8.1.120.0040.00417.47
8.1.110.0000.00817.43
8.1.100.0040.00417.45
8.1.90.0020.00517.38
8.1.80.0060.00317.43
8.1.70.0000.00717.34
8.1.60.0040.00417.51
8.1.50.0030.00617.54
8.1.40.0040.00417.52
8.1.30.0080.00017.55
8.1.20.0050.00217.65
8.1.10.0020.00517.54
8.1.00.0080.00017.38
8.0.300.0070.00318.77
8.0.290.0050.00216.75
8.0.280.0000.00718.26
8.0.270.0030.00317.12
8.0.260.0000.00716.73
8.0.250.0030.00316.83
8.0.240.0040.00416.86
8.0.230.0040.00416.90
8.0.220.0000.00716.94
8.0.210.0030.00316.90
8.0.200.0000.00716.93
8.0.190.0030.00516.94
8.0.180.0040.00416.96
8.0.170.0050.00316.76
8.0.160.0050.00216.77
8.0.150.0040.00416.84
8.0.140.0050.00216.85
8.0.130.0030.00313.36
8.0.120.0030.00516.85
8.0.110.0000.00716.93
8.0.100.0030.00516.82
8.0.90.0030.00316.89
8.0.80.0030.01316.78
8.0.70.0040.00416.86
8.0.60.0000.00716.69
8.0.50.0050.00316.93
8.0.30.0120.01016.99
8.0.20.0130.00717.40
8.0.10.0000.00817.04
8.0.00.0110.00616.59
7.4.330.0000.00615.00
7.4.320.0060.00016.54
7.4.300.0000.00616.41
7.4.290.0000.00716.52
7.4.280.0000.00716.62
7.4.270.0000.00616.52
7.4.260.0030.00716.63
7.4.250.0000.00716.46
7.4.240.0030.00316.61
7.4.230.0000.00816.60
7.4.220.0120.00616.55
7.4.210.0000.01416.42
7.4.200.0030.00316.41
7.4.160.0110.00716.45
7.4.150.0060.01317.40
7.4.140.0100.01117.86
7.4.130.0080.00816.39
7.4.120.0120.00616.43
7.4.110.0110.00716.47
7.4.100.0060.01216.65
7.4.90.0030.01416.46
7.4.80.0080.00819.39
7.4.70.0080.00816.49
7.4.60.0100.00716.59
7.4.50.0000.00916.65
7.4.40.0000.02016.56
7.4.30.0070.01016.80
7.4.00.0090.00614.76
7.3.330.0000.00513.17
7.3.320.0050.00013.17
7.3.310.0070.00016.31
7.3.300.0030.00316.20
7.3.290.0090.00616.22
7.3.280.0130.00416.25
7.3.270.0100.01017.40
7.3.260.0070.01016.29
7.3.250.0070.01016.29
7.3.240.0070.01016.30
7.3.230.0060.01216.39
7.3.210.0080.00916.48
7.3.200.0060.01719.39
7.3.190.0110.00716.48
7.3.180.0060.00916.44
7.3.170.0090.00916.27
7.3.160.0080.00816.39
7.3.10.0120.00616.55
7.3.00.0030.00916.49
7.2.330.0070.01016.34
7.2.320.0070.01016.38
7.2.310.0100.00716.28
7.2.300.0060.01016.52
7.2.290.0100.00716.41
7.2.130.0140.00616.69
7.2.120.0040.01516.63
7.2.110.0100.01016.88
7.2.100.0100.00716.79
7.2.90.0110.00416.95
7.2.80.0040.00816.72
7.2.70.0050.00816.69
7.2.60.0070.00716.82
7.2.50.0000.00916.79
7.2.40.0000.01316.81
7.2.30.0070.01016.80
7.2.20.0100.01016.78
7.2.10.0030.00916.75
7.2.00.0020.01117.99
7.1.250.0090.00315.46
7.1.200.0080.00415.63
7.1.100.0270.01017.28
7.1.70.0000.00817.06
7.1.60.0110.01419.32
7.1.50.0160.00616.86
7.1.00.0070.06722.48
7.0.200.0430.00416.39
7.0.140.0000.07321.99
7.0.70.4970.04319.89
7.0.60.0070.03719.99
7.0.50.0070.03717.68
7.0.40.0030.04320.02
7.0.30.0030.08320.30
7.0.20.0270.03320.02
7.0.10.0230.05020.29
7.0.00.0100.07320.09
5.6.280.0070.07020.98
5.6.210.0030.04020.44
5.6.200.0130.06718.22
5.6.190.0030.08320.40
5.6.180.0230.03320.31
5.6.170.0430.07020.71
5.6.160.0070.04320.52
5.6.150.0070.07318.11
5.6.140.0070.08018.12
5.6.130.0030.04718.25
5.6.120.0100.05721.00
5.6.110.0100.08320.97
5.6.100.0070.08020.98
5.6.90.0130.08721.00
5.6.80.0070.07720.39
5.6.70.0270.07020.39
5.5.350.0030.07320.46
5.5.340.0130.07317.91
5.5.330.0130.07320.40
5.5.320.0000.08720.22
5.5.310.0330.06020.28
5.5.300.0130.07317.98
5.5.290.0170.06017.95
5.5.280.0000.04320.87
5.5.270.0030.04320.79
5.5.260.0030.06720.75
5.5.250.0130.06320.61
5.5.240.0070.04320.25
5.4.450.0200.08019.39
5.4.440.0270.07319.21
5.4.430.0270.08019.24
5.4.420.0270.07319.41
5.4.410.0270.06719.07
5.4.400.0200.04718.83
5.4.390.0130.04019.08
5.4.380.0300.06319.08
5.4.370.0270.07319.13
5.4.360.0200.08019.09
5.4.350.0270.05318.81
5.4.340.0200.06019.24
5.4.320.0130.04719.28
5.4.310.0300.06319.08
5.4.300.0270.07019.09
5.4.290.0200.04319.21
5.4.280.0170.06319.25
5.4.270.0230.06319.09
5.4.260.0230.07019.13
5.4.250.0230.07719.02
5.4.240.0130.07318.87
5.4.230.0270.07019.21
5.4.220.0130.04719.04
5.4.210.0230.07319.13
5.4.200.0200.06019.12
5.4.190.0230.03719.13
5.4.180.0170.03719.23
5.4.170.0200.04319.04
5.4.160.0230.04719.21
5.4.150.0170.04019.11
5.4.140.0230.06716.32
5.4.130.0270.06016.25
5.4.120.0130.07316.27
5.4.110.0270.03716.48
5.4.100.0270.02716.34
5.4.90.0230.06716.42
5.4.80.0370.05016.43
5.4.70.0230.05716.19
5.4.60.0200.05316.45
5.4.50.0170.07016.42
5.4.40.0130.06016.18
5.4.30.0230.05716.37
5.4.20.0270.06016.38
5.4.10.0330.05716.46
5.4.00.0270.05715.71
5.3.290.0170.06314.54
5.3.280.0200.07014.57
5.3.270.0230.05314.55
5.3.260.0300.04714.55
5.3.250.0270.05014.44
5.3.240.0200.06314.46
5.3.230.0230.04714.45
5.3.220.0230.07314.47
5.3.210.0200.06314.55
5.3.200.0270.07014.52
5.3.190.0230.06714.48
5.3.180.0270.05314.52
5.3.170.0170.05014.42
5.3.160.0230.06714.39
5.3.150.0270.06314.39
5.3.140.0230.05314.39
5.3.130.0200.06014.41
5.3.120.0170.06714.41
5.3.110.0170.04314.39
5.3.100.0200.04313.95
5.3.90.0230.07013.95
5.3.80.0230.05713.92
5.3.70.0130.06013.90
5.3.60.0230.06714.11
5.3.50.0170.03713.89
5.3.40.0300.06313.74
5.3.30.0300.06714.00
5.3.20.0230.06313.62
5.3.10.0200.07013.68
5.3.00.0300.05713.66
5.2.170.0130.06312.03
5.2.160.0270.05012.03
5.2.150.0230.04712.03
5.2.140.0200.06012.03
5.2.130.0170.03712.03
5.2.120.0170.04012.03
5.2.110.0130.05312.03
5.2.100.0070.06012.03
5.2.90.0270.05312.03
5.2.80.0170.04012.03
5.2.70.0200.05012.03
5.2.60.0170.04712.03
5.2.50.0230.05312.03
5.2.40.0130.04012.03
5.2.30.0200.05312.03
5.2.20.0170.04312.03
5.2.10.0170.05712.03
5.2.00.0270.04712.03
5.1.60.0130.05312.03
5.1.50.0130.03712.03
5.1.40.0100.03012.03
5.1.30.0170.04312.03
5.1.20.0170.05312.03
5.1.10.0170.03712.03
5.1.00.0300.03312.03
5.0.50.0070.04712.03
5.0.40.0030.04712.03
5.0.30.0200.04712.03
5.0.20.0070.04712.03
5.0.10.0170.03312.03
5.0.00.0170.05312.03
4.4.90.0100.03012.03
4.4.80.0100.03012.03
4.4.70.0070.02312.03
4.4.60.0130.02012.03
4.4.50.0100.03712.03
4.4.40.0130.05012.03
4.4.30.0000.02012.03
4.4.20.0030.03712.03
4.4.10.0030.03712.03
4.4.00.0130.04712.03
4.3.110.0070.03312.03
4.3.100.0100.03312.03
4.3.90.0030.03312.03
4.3.80.0100.04312.03
4.3.70.0130.02312.03
4.3.60.0070.03012.03
4.3.50.0100.03312.03
4.3.40.0070.04712.03
4.3.30.0070.02012.03
4.3.20.0070.03312.03
4.3.10.0030.03012.03
4.3.00.0030.03712.03

preferences:
51.53 ms | 400 KiB | 5 Q