3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $foo= array(1); $_SESSION = $foo; //session_decode("i"); var_dump(session_encode);

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)
8.3.40.0190.00019.02
8.3.30.0120.01218.76
8.3.20.0070.01121.85
8.3.10.0000.01518.95
8.3.00.0030.01023.50
8.2.170.0110.01122.96
8.2.160.0030.01020.47
8.2.150.0130.00724.18
8.2.140.0070.00024.66
8.2.130.0040.01119.45
8.2.120.0070.01026.35
8.2.110.0030.00619.27
8.2.100.0120.00317.76
8.2.90.0000.00917.75
8.2.80.0040.00417.97
8.2.70.0000.00817.93
8.2.60.0050.00520.00
8.2.50.0000.00818.10
8.2.40.0000.00821.21
8.2.30.0000.00819.30
8.2.20.0040.00418.00
8.2.10.0000.00718.25
8.2.00.0070.00017.91
8.1.270.0070.01123.96
8.1.260.0140.00028.09
8.1.250.0070.00728.09
8.1.240.0050.00522.62
8.1.230.0080.00419.61
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0060.00318.36
8.1.160.0000.00722.07
8.1.150.0000.00718.81
8.1.140.0080.00019.57
8.1.130.0030.00317.76
8.1.120.0040.00417.52
8.1.110.0080.00017.32
8.1.100.0030.00517.55
8.1.90.0060.00317.36
8.1.80.0070.00017.38
8.1.70.0040.00417.48
8.1.60.0050.00317.52
8.1.50.0040.00417.56
8.1.40.0080.00017.55
8.1.30.0000.00817.56
8.1.20.0040.00417.69
8.1.10.0040.00417.55
8.1.00.0040.00417.59
8.0.300.0000.00818.77
8.0.290.0060.00316.75
8.0.280.0040.00418.53
8.0.270.0050.00217.21
8.0.260.0060.00017.30
8.0.250.0060.00317.02
8.0.240.0060.00317.09
8.0.230.0070.00017.06
8.0.220.0070.00017.00
8.0.210.0000.00716.96
8.0.200.0030.00317.07
8.0.190.0040.00416.93
8.0.180.0000.00716.92
8.0.170.0030.00517.02
8.0.160.0040.00416.85
8.0.150.0040.00416.90
8.0.140.0030.00316.93
8.0.130.0070.00013.41
8.0.120.0000.00716.88
8.0.110.0050.00317.01
8.0.100.0030.00516.98
8.0.90.0050.00216.94
8.0.80.0070.01016.98
8.0.70.0050.00317.00
8.0.60.0000.00716.84
8.0.50.0030.00616.95
8.0.30.0070.01217.06
8.0.20.0130.00517.40
8.0.10.0040.00417.02
8.0.00.0100.00716.71
7.4.330.0050.00015.55
7.4.320.0000.00716.53
7.4.300.0000.00616.60
7.4.290.0000.00716.50
7.4.280.0030.00516.65
7.4.270.0070.00016.44
7.4.260.0030.00316.57
7.4.250.0080.00016.57
7.4.240.0070.00016.66
7.4.230.0040.00416.68
7.4.220.0090.00916.70
7.4.210.0100.00716.47
7.4.200.0000.00816.60
7.4.160.0110.00616.52
7.4.150.0090.00917.40
7.4.140.0060.01317.86
7.4.130.0090.00816.57
7.4.120.0100.00916.55
7.4.110.0190.00616.64
7.4.100.0130.00416.49
7.4.90.0060.01116.45
7.4.80.0040.01319.39
7.4.70.0150.00816.51
7.4.60.0060.00916.59
7.4.50.0110.00216.61
7.4.40.0100.00616.31
7.4.30.0130.00916.36
7.4.00.0110.00414.79
7.3.330.0040.00413.14
7.3.320.0030.00313.16
7.3.310.0020.00516.20
7.3.300.0030.00316.27
7.3.290.0100.00416.30
7.3.280.0080.00916.25
7.3.270.0060.01217.40
7.3.260.0120.00516.40
7.3.250.0100.01016.37
7.3.240.0060.01516.29
7.3.230.0090.00916.39
7.3.210.0110.01116.23
7.3.200.0130.00616.61
7.3.190.0070.01416.43
7.3.180.0070.01616.44
7.3.170.0120.00916.33
7.3.160.0080.01616.56
7.2.330.0060.01216.58
7.2.320.0160.00016.52
7.2.310.0080.00816.57
7.2.300.0140.01016.33
7.2.290.0120.00916.64
7.2.110.0200.01016.71
7.2.60.0120.00416.89
7.2.00.0000.01419.14
7.1.200.0030.00915.77
7.1.100.0000.00817.68
7.1.70.0000.01117.17
7.1.60.0070.00317.16
7.1.50.0070.00716.89
7.1.00.0000.08022.47
7.0.200.0040.01114.66
7.0.110.0270.06020.30
7.0.100.0230.06020.20
7.0.90.0400.05020.25
7.0.80.0200.06320.22
7.0.70.0300.06720.20
7.0.60.0270.06020.34
7.0.50.0400.05720.23
7.0.40.0530.05020.32
7.0.30.0300.05320.26
7.0.20.0300.05720.33
7.0.10.0200.06320.29
7.0.00.0300.05720.21
5.6.260.0130.05321.06
5.6.250.0100.06020.88
5.6.240.0170.05021.07
5.6.230.0170.05020.93
5.6.220.0100.06020.86
5.6.210.0100.05720.95
5.6.200.0100.06021.04
5.6.190.0070.06320.94
5.6.180.0030.06020.84
5.6.170.0170.04720.93
5.6.160.0230.04720.86
5.6.150.0130.06720.99
5.6.140.0100.05721.03
5.6.130.0070.05721.08
5.6.120.0070.06320.98
5.6.110.0070.06320.82
5.6.100.0100.06020.99
5.6.90.0130.05320.83
5.6.80.0100.05720.38
5.6.70.0070.05720.29
5.6.60.0130.05320.40
5.6.50.0100.05720.39
5.6.40.0030.06320.35
5.6.30.0130.05020.44
5.6.20.0100.06320.18
5.6.10.0100.06020.43
5.6.00.0130.04720.43

preferences:
58.19 ms | 400 KiB | 5 Q