3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION_start(); $_SESSION['error']="666"; echo $_SESSION['error']; ?>

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)
8.3.60.0120.00916.62
8.3.50.0040.01521.23
8.3.40.0070.01018.98
8.3.30.0120.00318.83
8.3.20.0000.00720.21
8.3.10.0050.00321.85
8.3.00.0000.00823.71
8.2.180.0140.00418.29
8.2.170.0070.01122.96
8.2.160.0050.00820.32
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00419.70
8.2.120.0030.00526.35
8.2.110.0000.00922.00
8.2.100.0060.00617.84
8.2.90.0050.00317.63
8.2.80.0000.00919.23
8.2.70.0040.00417.93
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0000.00820.46
8.2.30.0000.00719.31
8.2.20.0000.00717.56
8.2.10.0060.00317.90
8.2.00.0040.00417.91
8.1.280.0110.00725.92
8.1.270.0000.00820.05
8.1.260.0000.00828.09
8.1.250.0000.00828.09
8.1.240.0090.00023.92
8.1.230.0070.00418.97
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0000.00720.64
8.1.150.0040.00418.68
8.1.140.0000.00819.45
8.1.130.0000.00717.50
8.1.120.0000.00717.23
8.1.110.0000.00817.38
8.1.100.0030.00517.33
8.1.90.0040.00417.35
8.1.80.0040.00417.22
8.1.70.0070.00017.32
8.1.60.0090.00017.45
8.1.50.0040.00417.34
8.1.40.0040.00417.49
8.1.30.0030.00517.64
8.1.20.0080.00017.54
8.1.10.0000.00717.41
8.1.00.0070.00017.39
8.0.300.0000.00719.82
8.0.290.0050.00516.63
8.0.280.0000.00818.32
8.0.270.0030.00317.19
8.0.260.0040.00417.10
8.0.250.0030.00316.83
8.0.240.0080.00016.98
8.0.230.0050.00216.92
8.0.220.0030.00516.91
8.0.210.0030.00316.88
8.0.200.0060.00016.95
8.0.190.0080.00016.96
8.0.180.0040.00416.92
8.0.170.0030.00616.82
8.0.160.0040.00416.87
8.0.150.0070.00016.84
8.0.140.0030.00316.77
8.0.130.0000.00613.28
8.0.120.0050.00316.75
8.0.110.0060.00316.95
8.0.100.0070.00016.96
8.0.90.0030.00516.72
8.0.80.0030.01716.87
8.0.70.0000.00716.73
8.0.60.0030.00316.88
8.0.50.0040.00416.75
8.0.30.0090.00916.97
8.0.20.0120.00617.40
8.0.10.0030.00516.91
8.0.00.0060.01216.75
7.4.330.0000.00516.71
7.4.320.0000.00616.55
7.4.300.0030.00316.55
7.4.290.0060.00316.51
7.4.280.0040.00416.54
7.4.270.0030.00316.63
7.4.260.0000.00716.59
7.4.250.0040.00416.46
7.4.240.0060.00116.51
7.4.230.0070.00016.59
7.4.220.0120.00316.70
7.4.210.0120.00916.70
7.4.200.0030.00316.63
7.4.160.0060.01216.24
7.4.150.0070.01017.40
7.4.140.0140.00817.86
7.4.130.0130.01016.38
7.4.120.0100.01116.47
7.4.110.0090.00916.54
7.4.100.0070.01016.72
7.4.90.0070.01016.44
7.4.80.0140.00719.39
7.4.70.0120.00616.36
7.4.60.0130.00316.52
7.4.50.0040.01116.56
7.4.40.0090.00916.54
7.4.30.0040.01316.27
7.4.00.0040.01115.08
7.3.330.0000.00613.02
7.3.320.0040.00412.98
7.3.310.0000.00716.20
7.3.300.0030.00316.26
7.3.290.0060.01016.31
7.3.280.0060.00916.26
7.3.270.0070.01017.40
7.3.260.0080.00816.28
7.3.240.0070.01016.58
7.3.230.0160.00616.39
7.3.210.0130.00516.41
7.3.200.0030.01919.39
7.3.190.0100.00716.46
7.3.180.0130.00316.27
7.3.170.0040.01316.27
7.3.160.0110.01116.37
7.2.330.0140.00616.59
7.2.320.0140.00716.50
7.2.310.0030.01716.41
7.2.300.0070.01416.32
7.2.290.0060.00916.60
7.2.60.0090.00316.63
7.2.00.0030.00619.38
7.1.200.0000.00915.32
7.1.100.0000.01117.94
7.1.70.0000.00817.07
7.1.60.0140.01119.20
7.1.50.0070.01516.89
7.1.00.0000.07722.42
7.0.200.0050.00516.73
7.0.60.0170.07321.72
7.0.50.0100.03717.90
7.0.40.0170.07319.91
7.0.30.0270.04020.13
7.0.20.0230.05320.13
7.0.10.0030.04720.30
7.0.00.0100.07320.03
5.6.280.0100.04320.99
5.6.210.0100.03320.76
5.6.200.0100.05018.12
5.6.190.0030.07720.60
5.6.180.0030.04320.77
5.6.170.0270.05020.49
5.6.160.0030.09320.40
5.6.150.0030.06018.21
5.6.140.0000.06018.11
5.6.130.0030.04018.12
5.6.120.0100.04021.04
5.6.110.0100.08721.13
5.6.100.0030.06321.03
5.6.90.0000.09321.12
5.6.80.0100.06320.50
5.5.350.0070.07020.52
5.5.340.0100.08017.89
5.5.330.0030.04320.36
5.5.320.0330.08020.29
5.5.310.0200.04720.18
5.5.300.0070.04317.90
5.5.290.0100.05017.92
5.5.280.0030.07720.75
5.5.270.0070.08720.75
5.5.260.0130.07320.75
5.5.250.0100.07320.55
5.5.240.0170.07320.36

preferences:
45.82 ms | 401 KiB | 5 Q