3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $v = session_id(42); $x = session_encode(); print_r($v, $x);

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)
8.3.60.0070.01418.55
8.3.50.0230.01221.08
8.3.40.0100.00718.89
8.3.30.0110.00418.72
8.3.20.0040.00420.46
8.3.10.0040.00421.86
8.3.00.0080.00017.93
8.2.180.0100.01018.66
8.2.170.0100.00722.96
8.2.160.0100.00720.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0060.00317.63
8.2.110.0070.00319.44
8.2.100.0040.00817.75
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0000.01119.23
8.2.30.0040.00420.68
8.2.20.0040.00417.52
8.2.10.0000.00818.06
8.2.00.0040.00418.04
8.1.280.0080.00825.92
8.1.270.0070.00322.12
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00722.20
8.1.230.0040.00817.64
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0030.00518.43
8.1.160.0040.00421.99
8.1.150.0000.00818.89
8.1.140.0080.00017.40
8.1.130.0100.00017.69
8.1.120.0000.00717.41
8.1.110.0000.00817.45
8.1.100.0080.00017.43
8.1.90.0070.00017.30
8.1.80.0020.00517.36
8.1.70.0000.00717.34
8.1.60.0070.00017.43
8.1.50.0030.00517.43
8.1.40.0000.01017.34
8.1.30.0000.00817.49
8.1.20.0080.00017.54
8.1.10.0000.00817.32
8.1.00.0050.00317.27
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0040.00418.30
8.0.270.0070.00017.27
8.0.260.0030.00317.21
8.0.250.0000.00817.00
8.0.240.0000.00716.95
8.0.230.0030.00317.05
8.0.220.0030.00616.88
8.0.210.0000.00716.89
8.0.200.0030.00316.97
8.0.190.0040.00416.93
8.0.180.0030.00516.94
8.0.170.0030.00616.83
8.0.160.0000.00716.96
8.0.150.0050.00216.86
8.0.140.0000.00816.93
8.0.130.0030.00313.31
8.0.120.0000.00816.85
8.0.110.0040.00416.85
8.0.100.0000.00716.91
8.0.90.0030.00316.91
8.0.80.0070.01016.82
8.0.70.0070.00016.69
8.0.60.0080.00016.91
8.0.50.0040.00416.86
8.0.30.0130.00616.95
8.0.20.0070.01117.40
8.0.10.0000.00817.06
8.0.00.0140.00816.74
7.4.330.0030.00315.15
7.4.320.0000.00616.47
7.4.300.0000.00716.53
7.4.290.0000.00716.58
7.4.280.0000.01016.57
7.4.270.0030.00316.54
7.4.260.0030.00516.42
7.4.250.0070.00016.30
7.4.240.0000.00816.48
7.4.230.0030.00316.64
7.4.220.0100.01316.38
7.4.210.0120.00316.64
7.4.200.0030.00316.61
7.4.160.0130.00316.43
7.4.150.0150.00317.40
7.4.140.0080.01017.86
7.4.130.0120.00716.54
7.4.120.0110.01016.35
7.4.110.0060.01216.54
7.4.100.0150.00416.61
7.4.90.0090.00816.32
7.4.80.0110.00619.39
7.4.70.0100.00716.54
7.4.60.0050.01116.23
7.4.50.0000.00416.51
7.4.40.0030.01316.23
7.4.30.0070.01016.36
7.4.00.0090.00915.01
7.3.330.0050.00013.04
7.3.320.0050.00013.02
7.3.310.0040.00416.16
7.3.300.0070.00016.24
7.3.290.0100.00516.19
7.3.280.0040.01116.13
7.3.270.0060.01217.40
7.3.260.0110.00716.28
7.3.250.0080.01116.21
7.3.240.0050.01116.21
7.3.230.0070.01016.49
7.3.210.0150.00316.14
7.3.200.0070.01016.49
7.3.190.0130.00316.32
7.3.180.0120.00816.21
7.3.170.0120.00816.27
7.3.160.0100.00716.48
7.2.330.0110.00916.63
7.2.320.0090.00916.31
7.2.310.0110.00516.58
7.2.300.0070.01016.59
7.2.290.0070.01416.25
7.2.60.0000.01416.76
7.2.00.0000.01119.38
7.1.200.0040.00715.61
7.1.100.0100.00017.81
7.1.70.0000.00716.95
7.1.60.0060.02219.19
7.1.50.0040.01816.57
7.1.00.0030.07722.37
7.0.200.0090.00016.33
7.0.60.0030.04020.03
7.0.50.0100.04017.86
7.0.40.0030.09320.12
7.0.30.0330.06320.09
7.0.20.0300.05320.30
7.0.10.0070.08320.16
7.0.00.0130.07320.16
5.6.280.0000.07321.11
5.6.210.0170.07320.60
5.6.200.0070.06318.18
5.6.190.0100.07320.49
5.6.180.0270.03720.41
5.6.170.0300.05320.47
5.6.160.0130.03320.71
5.6.150.0070.08718.18
5.6.140.0170.07018.11
5.6.130.0100.08018.23
5.6.120.0070.05321.07
5.6.110.0030.09020.89
5.6.100.0100.08021.13
5.6.90.0200.07021.02
5.6.80.0070.05320.43
5.5.350.3600.04320.46
5.5.340.0030.04018.02
5.5.330.0000.04720.29
5.5.320.0270.07020.41
5.5.310.0100.05720.17
5.5.300.0030.08718.01
5.5.290.0030.08717.98
5.5.280.0070.07320.86
5.5.270.0000.04320.78
5.5.260.0130.07720.66
5.5.250.0030.04320.48
5.5.240.0030.08020.25
5.4.450.0230.05319.58
5.4.440.0230.05319.51
5.4.430.0270.04319.63
5.4.420.0030.06319.56
5.4.410.0300.05319.14
5.4.400.0500.06019.02
5.4.390.0670.05319.23
5.4.380.0670.05318.79
5.4.370.0600.06018.99
5.4.360.0430.04719.18
5.4.350.0030.06018.95
5.4.340.0670.04318.92
5.4.320.0430.05318.97
5.4.310.0130.04718.77
5.4.300.0600.05318.80
5.4.290.0500.04719.12
5.4.280.0670.05018.79
5.4.270.0530.06018.91
5.4.260.0570.05318.80
5.4.250.0700.05019.18
5.4.240.0570.05719.12
5.4.230.0700.05319.06
5.4.220.0570.05319.29
5.4.210.0400.06019.25
5.4.200.0470.05719.13
5.4.190.0530.05719.18
5.4.180.0630.04319.29
5.4.170.0630.04719.15
5.4.160.0430.05018.89
5.4.150.0570.04719.06
5.4.140.0500.05316.48
5.4.130.0670.04316.23
5.4.120.0670.05316.28
5.4.110.0530.05316.49
5.4.100.0770.04316.49
5.4.90.0630.04316.51
5.4.80.0570.06016.17
5.4.70.0030.05316.37
5.4.60.0070.04016.49
5.4.50.0330.05716.20
5.4.40.0270.04016.15
5.4.30.0000.03716.36
5.4.20.0000.03316.40
5.4.10.0170.06016.44

preferences:
58.12 ms | 401 KiB | 5 Q