3v4l.org

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

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)
8.3.60.0150.00016.50
8.3.50.0120.00918.20
8.3.40.0060.01218.71
8.3.30.0040.01518.77
8.3.20.0040.00419.16
8.3.10.0050.00221.85
8.3.00.0040.00422.38
8.2.180.0140.00018.43
8.2.170.0140.00722.96
8.2.160.0040.01121.07
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0060.00322.10
8.2.120.0080.00026.35
8.2.110.0160.00621.12
8.2.100.0040.00717.66
8.2.90.0080.00018.83
8.2.80.0030.00517.97
8.2.70.0030.00717.50
8.2.60.0100.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.67
8.2.30.0040.00419.14
8.2.20.0000.00717.63
8.2.10.0030.00517.85
8.2.00.0040.00418.01
8.1.280.0150.00025.92
8.1.270.0080.00023.88
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0040.00721.77
8.1.230.0040.00722.81
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0270.01017.00
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00722.26
8.1.150.0040.00418.88
8.1.140.0000.00719.52
8.1.130.0000.00717.56
8.1.120.0000.00717.33
8.1.110.0040.00417.39
8.1.100.0000.00717.21
8.1.90.0070.00017.29
8.1.80.0040.00417.24
8.1.70.0000.01117.37
8.1.60.0080.00017.48
8.1.50.0090.00017.41
8.1.40.0040.00817.36
8.1.30.0000.00817.38
8.1.20.0030.00517.54
8.1.10.0030.00617.46
8.1.00.0000.00717.23
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00818.38
8.0.270.0000.00717.12
8.0.260.0060.00017.07
8.0.250.0030.00316.88
8.0.240.0000.00716.99
8.0.230.0030.00316.92
8.0.220.0040.00416.73
8.0.210.0070.00016.76
8.0.200.0030.00316.97
8.0.190.0080.00016.94
8.0.180.0040.00416.92
8.0.170.0030.00516.91
8.0.160.0040.00416.79
8.0.150.0000.00716.75
8.0.140.0070.00016.69
8.0.130.0000.00913.15
8.0.120.0040.00416.69
8.0.110.0070.00016.73
8.0.100.0070.00016.88
8.0.90.0040.00416.71
8.0.80.0060.00916.90
8.0.70.0040.00416.90
8.0.60.0040.00416.81
8.0.50.0050.00216.85
8.0.30.0070.01216.76
8.0.20.0070.01217.40
8.0.10.0050.00216.85
8.0.00.0090.00916.55
7.4.330.0050.00015.08
7.4.320.0000.00616.50
7.4.300.0060.00016.48
7.4.290.0070.00016.38
7.4.280.0000.00716.38
7.4.270.0040.00416.36
7.4.260.0070.00016.46
7.4.250.0000.00716.49
7.4.240.0030.00316.36
7.4.230.0030.00316.14
7.4.220.0150.00916.45
7.4.210.0070.00716.50
7.4.200.0000.00716.49
7.4.160.0070.00916.42
7.4.150.0100.00617.40
7.4.140.0120.01217.86
7.4.130.0100.00616.44
7.4.120.0140.00616.32
7.4.110.0120.00916.46
7.4.100.0000.01716.39
7.4.90.0070.01016.33
7.4.80.0090.01019.39
7.4.70.0070.01016.26
7.4.60.0170.00616.33
7.4.50.0130.00016.36
7.4.40.0060.01216.07
7.4.30.0100.01316.15
7.4.00.0040.01414.96
7.3.330.0050.00013.14
7.3.320.0000.00613.18
7.3.310.0000.00716.11
7.3.300.0000.00716.20
7.3.290.0030.01116.20
7.3.280.0080.00816.23
7.3.270.0090.00617.40
7.3.260.0060.01116.31
7.3.250.0060.01316.34
7.3.240.0100.00916.20
7.3.230.0120.00616.39
7.3.210.0030.01316.27
7.3.200.0090.01216.40
7.3.190.0060.01216.29
7.3.180.0060.01216.17
7.3.170.0120.00616.23
7.3.160.0130.00316.22
7.2.330.0060.01316.39
7.2.320.0060.01816.51
7.2.310.0100.01316.62
7.2.300.0110.01116.48
7.2.290.0060.01216.55
7.2.60.0130.00316.92
7.2.50.0070.00716.48
7.2.00.0060.00618.66
7.1.200.0030.00915.59
7.1.70.0070.00016.74
7.1.60.0040.00717.10
7.1.50.0110.01116.47
7.1.00.0100.07022.29
7.0.200.0000.01716.74
7.0.100.1400.05319.97
7.0.90.1500.07020.02
7.0.80.1670.08019.99
7.0.70.0200.06020.07
7.0.60.0170.05719.98
7.0.50.0100.06320.41
7.0.40.0470.08020.45
7.0.30.1500.07320.31
7.0.20.2930.08020.38
7.0.10.3570.06320.38
7.0.00.1430.07020.28
5.6.250.0230.04720.86
5.6.240.0170.05320.70
5.6.230.0100.08020.59
5.6.220.0100.06720.58
5.6.210.0170.05320.68
5.6.200.0100.06721.06
5.6.190.0130.07721.16
5.6.180.0200.07021.05
5.6.170.0100.06721.10
5.6.160.0170.05721.06
5.6.150.0100.06321.17
5.6.140.0170.05721.13
5.6.130.0070.06721.07
5.6.120.0070.07321.09
5.6.110.0230.05321.12
5.6.100.0070.08020.99
5.6.90.0070.06720.99
5.6.80.0130.05720.46
5.6.70.0170.05020.51
5.6.60.0200.04720.50
5.6.50.0130.05720.46
5.6.40.0130.07320.39
5.6.30.0070.06020.45
5.6.20.0130.05720.45
5.6.10.0330.03720.52
5.6.00.0200.05320.54

preferences:
58.25 ms | 401 KiB | 5 Q