3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1,2,3); echo reset(array_keys($array));

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)
8.3.60.0070.00718.55
8.3.50.0160.00221.07
8.3.40.0100.00718.67
8.3.30.0120.00418.71
8.3.20.0140.00320.24
8.3.10.0050.00221.77
8.3.00.0000.00919.56
8.2.180.0120.00316.38
8.2.170.0140.00022.96
8.2.160.0070.00719.33
8.2.150.0040.00424.18
8.2.140.0060.01024.66
8.2.130.0030.00726.16
8.2.120.0050.00517.48
8.2.110.0070.00322.25
8.2.100.0080.00417.63
8.2.90.0080.00019.21
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00418.03
8.2.50.0030.00518.07
8.2.40.0070.00021.15
8.2.30.0040.00417.98
8.2.20.0000.00717.67
8.2.10.0000.00717.89
8.2.00.0050.00317.86
8.1.280.0120.00625.92
8.1.270.0070.00720.29
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.52
8.1.230.0040.00817.42
8.1.220.0040.00417.76
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0000.00817.10
8.1.180.0030.00618.10
8.1.170.0040.00418.64
8.1.160.0040.00422.14
8.1.150.0060.00318.91
8.1.140.0050.00317.29
8.1.130.0050.00317.51
8.1.120.0000.00717.40
8.1.110.0040.00417.44
8.1.100.0060.00317.33
8.1.90.0050.00317.32
8.1.80.0040.00417.29
8.1.70.0040.00417.38
8.1.60.0060.00617.44
8.1.50.0040.00417.33
8.1.40.0030.00617.41
8.1.30.0000.00817.42
8.1.20.0080.00017.44
8.1.10.0050.00317.47
8.1.00.0060.00317.30
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00518.42
8.0.270.0070.00017.26
8.0.260.0000.00617.22
8.0.250.0000.00717.00
8.0.240.0060.00017.05
8.0.230.0030.00316.94
8.0.220.0000.00716.78
8.0.210.0020.00516.78
8.0.200.0060.00016.91
8.0.190.0080.00016.82
8.0.180.0000.00716.80
8.0.170.0060.00316.79
8.0.160.0000.00716.91
8.0.150.0000.00716.81
8.0.140.0070.00016.82
8.0.130.0030.00313.24
8.0.120.0030.00516.83
8.0.110.0040.00416.80
8.0.100.0040.00416.92
8.0.90.0000.00716.76
8.0.80.0030.01216.86
8.0.70.0030.00516.89
8.0.60.0030.00316.82
8.0.50.0050.00316.68
8.0.30.0070.01117.10
8.0.20.0100.01017.40
8.0.10.0030.00516.95
8.0.00.0080.01116.67
7.4.330.0050.00015.08
7.4.320.0030.00316.38
7.4.300.0030.00316.54
7.4.290.0050.00516.54
7.4.280.0080.00416.50
7.4.270.0060.00016.36
7.4.260.0070.00016.41
7.4.250.0000.00716.29
7.4.240.0020.00616.42
7.4.230.0070.00016.59
7.4.220.0200.00716.48
7.4.210.0070.00716.56
7.4.200.0000.00716.57
7.4.160.0150.00616.36
7.4.150.0130.00617.40
7.4.140.0060.01217.86
7.4.130.0080.01116.47
7.4.120.0110.00716.48
7.4.110.0080.01216.53
7.4.100.0170.00016.60
7.4.90.0070.01016.35
7.4.80.0160.00019.39
7.4.70.0100.00616.31
7.4.60.0050.01316.50
7.4.50.0040.00416.32
7.4.40.0110.00516.40
7.4.30.0150.00616.47
7.4.00.0030.01015.09
7.3.330.0050.00013.20
7.3.320.0000.00613.18
7.3.310.0060.00316.27
7.3.300.0040.00416.31
7.3.290.0040.00416.16
7.3.280.0090.00816.30
7.3.270.0180.00017.40
7.3.260.0060.01016.59
7.3.250.0110.00716.47
7.3.240.0120.00916.30
7.3.230.0070.01116.42
7.3.210.0100.00616.29
7.3.200.0100.01416.34
7.3.190.0090.00916.29
7.3.180.0030.01416.17
7.3.170.0080.01216.35
7.3.160.0110.00516.29
7.3.10.0140.00916.30
7.3.00.0150.00916.11
7.2.330.0090.00916.28
7.2.320.0150.00616.47
7.2.310.0060.01216.71
7.2.300.0090.01216.54
7.2.290.0130.00316.67
7.2.130.0230.01316.47
7.2.120.0190.01316.67
7.2.110.0350.00316.70
7.2.100.0340.00016.59
7.2.90.0370.00716.72
7.2.80.0110.01016.52
7.2.70.0070.00716.47
7.2.60.0170.00416.76
7.2.50.0150.00316.44
7.2.40.0600.00416.80
7.2.30.0300.00716.61
7.2.20.0220.01116.45
7.2.10.0090.00916.20
7.2.00.0240.01118.13
7.1.250.0040.01115.39
7.1.200.0030.00615.90
7.1.100.0060.00918.35
7.1.70.0000.01317.12
7.1.60.0130.01020.03
7.1.50.0030.01216.98
7.1.00.0100.07022.44
7.0.200.0060.00614.75
7.0.60.0070.08319.78
7.0.50.0070.05017.83
7.0.40.0100.07320.32
7.0.30.0300.08720.33
7.0.20.0270.05320.21
7.0.10.0200.04020.09
7.0.00.0070.03720.01
5.6.280.0030.03320.90
5.6.210.0130.08020.74
5.6.200.0070.08018.22
5.6.190.0100.03720.49
5.6.180.0030.08720.57
5.6.170.0070.05020.45
5.6.160.0070.04320.38
5.6.150.0070.03718.09
5.6.140.0000.04718.21
5.6.130.0130.08018.14
5.6.120.0030.08721.11
5.6.110.0100.08721.00
5.6.100.0170.07321.10
5.6.90.0100.08320.95
5.6.80.0070.05320.37
5.6.70.4300.04720.39
5.5.350.0100.07320.47
5.5.340.0170.07017.93
5.5.330.0070.03720.23
5.5.320.0200.04320.30
5.5.310.0230.05020.29
5.5.300.0070.04317.92
5.5.290.0130.07717.93
5.5.280.0100.06320.79
5.5.270.0130.05020.88
5.5.260.0030.09020.75
5.5.250.0030.04320.57
5.5.240.0030.07720.22
5.4.450.0570.06019.63
5.4.440.0530.06319.48
5.4.430.0800.06019.47
5.4.420.0800.05019.48
5.4.410.0700.06019.51
5.4.400.0830.05019.16
5.4.390.0830.06318.92
5.4.380.0730.05018.81
5.4.370.0770.05019.22
5.4.360.0730.05719.30
5.4.350.0770.05018.77
5.4.340.0670.06319.15
5.4.320.0730.05318.95
5.4.310.0730.05019.20
5.4.300.0700.05718.95
5.4.290.0830.04319.27
5.4.280.0700.06019.22
5.4.270.0700.05319.13
5.4.260.0600.06319.20
5.4.250.0830.04718.91
5.4.240.0870.07018.94
5.4.230.0800.05018.77
5.4.220.0730.06018.80
5.4.210.0700.06318.80
5.4.200.0800.07019.29
5.4.190.0730.05019.29
5.4.180.0630.04319.10
5.4.170.0630.04718.80
5.4.160.0600.05019.11
5.4.150.0570.05719.29
5.4.140.0730.05316.39
5.4.130.0800.04016.16
5.4.120.0700.05016.26
5.4.110.0830.04016.07
5.4.100.0730.05016.45
5.4.90.0700.05016.45
5.4.80.0770.04316.44
5.4.70.0100.06716.39
5.4.60.0070.07016.47
5.4.50.0000.05016.20
5.4.40.0070.06316.22
5.4.30.0270.03716.20
5.4.20.0430.05716.38
5.4.10.0000.03716.04

preferences:
52.74 ms | 401 KiB | 5 Q