3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(session_id('öäü')); var_dump(session_start()); var_dump(session_id());

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)
8.3.60.0070.01016.75
8.3.50.0110.00316.44
8.3.40.0060.01218.50
8.3.30.0140.00018.37
8.3.20.0050.00320.07
8.3.10.0000.00821.86
8.3.00.0040.00423.61
8.2.180.0090.00616.50
8.2.170.0030.01022.96
8.2.160.0120.00320.47
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00519.51
8.2.120.0000.00826.35
8.2.110.0030.00621.04
8.2.100.0070.00417.80
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0050.00322.19
8.2.30.0070.00019.35
8.2.20.0040.00417.55
8.2.10.0030.00517.81
8.2.00.0020.00517.91
8.1.280.0160.00025.92
8.1.270.0150.00424.01
8.1.260.0000.00728.09
8.1.250.0000.00828.09
8.1.240.0030.00620.58
8.1.230.0070.00419.11
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0050.00317.10
8.1.180.0060.00318.10
8.1.170.0030.00618.50
8.1.160.0050.00320.64
8.1.150.0020.00518.68
8.1.140.0030.00519.37
8.1.130.0080.00017.59
8.1.120.0000.00717.40
8.1.110.0040.00417.30
8.1.100.0000.00817.38
8.1.90.0000.00717.30
8.1.80.0030.00517.40
8.1.70.0040.00417.32
8.1.60.0040.00417.29
8.1.50.0090.00017.27
8.1.40.0080.00017.38
8.1.30.0040.00417.41
8.1.20.0040.00417.51
8.1.10.0000.00717.39
8.1.00.0030.00517.38
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0030.00318.33
8.0.270.0070.00017.17
8.0.260.0040.00417.06
8.0.250.0040.00416.91
8.0.240.0050.00316.89
8.0.230.0030.00316.88
8.0.220.0000.00716.75
8.0.210.0030.00316.83
8.0.200.0040.00416.75
8.0.190.0040.00416.93
8.0.180.0040.00416.82
8.0.170.0030.00516.80
8.0.160.0030.00316.91
8.0.150.0040.00416.82
8.0.140.0070.00316.76
8.0.130.0060.00313.18
8.0.120.0080.00016.81
8.0.110.0030.00516.82
8.0.100.0070.00016.86
8.0.90.0000.00816.81
8.0.80.0180.00416.77
8.0.70.0070.00016.85
8.0.60.0040.00416.94
8.0.50.0000.00716.88
8.0.30.0080.01017.04
8.0.20.0100.01017.40
8.0.10.0000.00716.83
8.0.00.0070.01616.67
7.4.330.0030.00316.73
7.4.320.0040.00416.40
7.4.300.0080.00016.42
7.4.290.0040.00416.37
7.4.280.0030.00616.41
7.4.270.0070.00016.48
7.4.260.0070.00016.28
7.4.250.0000.00716.43
7.4.240.0020.00516.42
7.4.230.0000.00716.35
7.4.220.0100.01616.55
7.4.210.0110.00316.55
7.4.200.0040.00416.49
7.4.160.0030.01316.50
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0060.01116.50
7.4.120.0100.00716.46
7.4.110.0050.01516.51
7.4.100.0070.01716.30
7.4.90.0120.00616.41
7.4.80.0120.01119.39
7.4.70.0060.00916.44
7.4.60.0110.00616.38
7.4.50.0000.01516.45
7.4.40.0120.00316.50
7.4.30.0090.00916.55
7.4.00.0060.00614.90
7.3.330.0000.00612.95
7.3.320.0000.00613.12
7.3.310.0040.00416.26
7.3.300.0000.00716.18
7.3.290.0090.00716.20
7.3.280.0070.00916.15
7.3.270.0150.00617.40
7.3.260.0060.01216.28
7.3.250.0110.00716.29
7.3.240.0020.01616.40
7.3.230.0100.00716.39
7.3.210.0110.01116.29
7.3.200.0060.01219.39
7.3.190.0040.01216.08
7.3.180.0070.01116.29
7.3.170.0120.00416.27
7.3.160.0100.00716.39
7.2.330.0050.01116.28
7.2.320.0130.00816.18
7.2.310.0050.01316.23
7.2.300.0070.01716.31
7.2.290.0140.00316.17
7.2.60.0060.00616.32
7.2.00.0070.00718.96
7.1.200.0090.00315.77
7.1.100.0060.00617.98
7.1.70.0030.00617.02
7.1.60.0140.01019.18
7.1.50.0060.01516.80
7.1.00.0030.07322.31
7.0.200.0280.00316.53
7.0.100.0100.07319.86
7.0.90.0130.07319.96
7.0.80.0230.08019.93
7.0.70.0100.04319.96
7.0.60.0330.03719.91
7.0.50.0130.08320.38
7.0.40.0070.08320.07
7.0.30.0170.08019.91
7.0.20.0100.08320.03
7.0.10.0200.07020.13
7.0.00.0070.08320.10
5.6.280.0000.03720.89
5.6.250.0030.07720.57
5.6.240.0030.08020.59
5.6.230.0070.08020.69
5.6.220.0100.04720.59
5.6.210.0130.07720.60
5.6.200.0170.07721.04
5.6.190.0070.08320.92
5.6.180.0070.08021.00
5.6.170.0070.05320.96
5.6.160.0070.08320.99
5.6.150.0000.09320.98
5.6.140.0030.08320.96
5.6.130.0070.07021.04
5.6.120.0100.07720.96
5.6.110.0100.07721.03
5.6.100.0130.08720.90
5.6.90.0070.09020.98
5.6.80.0100.04720.37
5.6.70.0070.07720.34
5.6.60.0100.08020.36
5.6.50.0130.05320.36
5.6.40.0100.07720.31
5.6.30.0130.05320.41
5.6.20.0070.07720.37
5.6.10.0130.07320.33
5.6.00.0100.07720.30
5.5.380.0100.08020.49
5.5.370.0070.05720.49
5.5.360.0030.06720.32
5.5.350.0070.08320.29
5.5.340.0130.05320.78
5.5.330.0100.08020.83
5.5.320.0000.06720.71
5.5.310.0030.08320.86
5.5.300.0200.06720.81
5.5.290.0100.08020.81
5.5.280.0030.07020.82
5.5.270.0070.08720.77
5.5.260.0270.06720.80
5.5.250.0030.08720.65
5.5.240.0100.07320.22
5.5.230.0070.08020.24
5.5.220.0070.07320.15
5.5.210.0100.07720.17
5.5.200.0070.08720.22
5.5.190.0070.07720.16
5.5.180.0070.07320.10
5.5.160.0070.04720.08
5.5.150.0070.07720.17
5.5.140.0070.08020.02
5.5.130.0200.06320.14
5.5.120.0070.04720.16
5.5.110.0070.05720.19
5.5.100.0000.08320.05
5.5.90.0100.07320.05
5.5.80.0000.07020.12
5.5.70.0100.05019.92
5.5.60.0100.06720.04
5.5.50.0070.08020.01
5.5.40.0130.07720.03
5.5.30.0200.06720.00
5.5.20.0030.05020.08
5.5.10.0030.08019.96
5.5.00.0130.07020.02

preferences:
52.58 ms | 404 KiB | 6 Q