3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $session1 = session_id(); if (!isset($_SESSION['init'])) { $_SESSION['init'] = "2001-09-11 00:00:00"; } $init1 = @$_SESSION['init']; session_regenerate_id(false); var_dump($init1); var_dump(@$_SESSION['init']); var_dump($session1); 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)
8.3.60.0000.01416.63
8.3.50.0150.00822.98
8.3.40.0110.00418.69
8.3.30.0110.00419.22
8.3.20.0040.00420.32
8.3.10.0080.00023.64
8.3.00.0030.00517.75
8.2.180.0150.00018.43
8.2.170.0110.00322.96
8.2.160.0100.00719.00
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00521.05
8.2.110.0060.00322.32
8.2.100.0090.00317.84
8.2.90.0040.00419.26
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00717.92
8.2.50.0040.00418.07
8.2.40.0050.00318.34
8.2.30.0030.00618.20
8.2.20.0000.00717.70
8.2.10.0040.00418.09
8.2.00.0030.00517.82
8.1.280.0070.01025.92
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00024.03
8.1.230.0070.00319.10
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0030.00617.50
8.1.190.0080.00017.25
8.1.180.0060.00318.10
8.1.170.0060.00318.50
8.1.160.0000.00722.10
8.1.150.0040.00418.96
8.1.140.0050.00317.61
8.1.130.0070.00017.90
8.1.120.0000.00717.42
8.1.110.0040.00417.57
8.1.100.0030.00517.46
8.1.90.0040.00417.43
8.1.80.0030.00517.42
8.1.70.0060.00317.38
8.1.60.0060.00317.59
8.1.50.0080.00017.45
8.1.40.0000.00917.47
8.1.30.0040.00417.62
8.1.20.0050.00317.73
8.1.10.0040.00417.51
8.1.00.0050.00317.56
8.0.300.0000.00718.77
8.0.290.0060.00316.61
8.0.280.0030.00318.54
8.0.270.0030.00317.41
8.0.260.0060.00017.36
8.0.250.0030.00316.86
8.0.240.0000.00816.97
8.0.230.0030.00616.95
8.0.220.0030.00316.95
8.0.210.0030.00316.94
8.0.200.0080.00016.96
8.0.190.0040.00416.98
8.0.180.0000.00716.97
8.0.170.0000.00817.01
8.0.160.0050.00216.90
8.0.150.0000.00716.89
8.0.140.0080.00016.92
8.0.130.0000.00513.34
8.0.120.0000.00816.84
8.0.110.0040.00416.91
8.0.100.0050.00216.79
8.0.90.0000.00816.96
8.0.80.0150.00416.85
8.0.70.0040.00416.97
8.0.60.0090.00016.95
8.0.50.0050.00216.98
8.0.30.0100.01017.18
8.0.20.0090.00917.40
8.0.10.0030.00617.02
8.0.00.0130.00416.76
7.4.330.0030.00515.00
7.4.320.0030.00316.64
7.4.300.0000.00616.61
7.4.290.0030.00316.64
7.4.280.0030.00616.54
7.4.270.0000.00816.61
7.4.260.0000.00716.64
7.4.250.0000.00716.58
7.4.240.0050.00216.62
7.4.230.0000.00716.63
7.4.220.0140.00316.56
7.4.210.0060.01016.50
7.4.200.0040.00416.59
7.4.160.0060.00916.38
7.4.150.0150.00417.40
7.4.140.0120.00717.86
7.4.130.0110.00616.49
7.4.120.0050.01516.47
7.4.110.0110.00816.57
7.4.100.0070.01016.56
7.4.90.0110.00616.40
7.4.80.0090.00619.39
7.4.70.0120.00616.74
7.4.60.0070.01116.68
7.4.50.0080.00016.37
7.4.40.0090.00616.79
7.4.30.0080.00816.67
7.4.00.0030.01515.18
7.3.330.0000.00513.22
7.3.320.0000.00613.02
7.3.310.0040.00416.44
7.3.300.0030.00316.14
7.3.290.0090.00616.26
7.3.280.0090.00816.31
7.3.270.0090.00917.40
7.3.260.0060.01216.38
7.3.250.0070.01116.42
7.3.240.0090.01216.52
7.3.230.0120.01216.39
7.3.210.0060.01216.40
7.3.200.0130.00319.39
7.3.190.0060.01216.62
7.3.180.0110.00516.29
7.3.170.0080.00816.41
7.3.160.0070.00916.38
7.2.330.0070.01716.77
7.2.320.0140.00616.74
7.2.310.0100.00716.79
7.2.300.0070.01016.78
7.2.290.0100.00716.53
7.2.60.0030.00916.76
7.2.00.0000.01119.22
7.1.200.0030.01015.82
7.1.100.0040.00918.04
7.1.70.0000.00916.95
7.1.60.0070.01819.40
7.1.50.0120.01216.68
7.1.00.0070.07322.33
7.0.200.0000.01016.67
7.0.140.0000.08021.97
7.0.110.0100.07320.06
7.0.100.0070.04019.96
7.0.90.0000.04719.84
7.0.80.0070.03319.84
7.0.70.0000.04719.79
7.0.60.0000.04720.01
7.0.50.0070.03719.84
7.0.40.0030.04019.75
7.0.30.0100.03719.75
7.0.20.0070.04019.70
7.0.10.0070.03719.68
7.0.00.0130.02719.70
5.6.280.0100.06721.13
5.6.260.0100.07020.75
5.6.250.0030.04320.68
5.6.240.0030.04320.56
5.6.230.0030.05720.55
5.6.220.0030.07320.54
5.6.210.0000.04720.73
5.6.200.0000.04320.62
5.6.190.0030.04020.50
5.6.180.0000.04320.65
5.6.170.0030.03320.71
5.6.160.0070.03320.62
5.6.150.0030.05320.80
5.6.140.0070.03720.64
5.6.130.0000.04320.69
5.6.120.0030.04020.55
5.6.110.0070.06320.68
5.6.100.0030.05020.68
5.6.90.0030.08020.57
5.6.80.0030.04719.96
5.6.70.0100.04720.07
5.6.60.0170.07020.07
5.6.50.0200.06319.94
5.6.40.0100.07319.97
5.6.30.0230.05019.85
5.6.20.0070.08320.05
5.6.10.0270.05719.85
5.6.00.0030.04019.91
5.5.380.0070.03717.47
5.5.370.0070.04017.63
5.5.360.0000.04717.53
5.5.350.0030.05717.78
5.5.340.0030.04017.85
5.5.330.0000.05018.03
5.5.320.0000.04318.03
5.5.310.0000.04318.25
5.5.300.0100.02718.13
5.5.290.0030.04717.83
5.5.280.0000.04317.86
5.5.270.0030.05317.79
5.5.260.0000.07018.14
5.5.250.0100.07317.91
5.5.240.0030.08017.39
5.5.230.0000.07317.50
5.5.220.0030.08717.54
5.5.210.0130.06017.48
5.5.200.0100.07317.51
5.5.190.0030.06717.51
5.5.180.0100.07317.20
5.5.160.0030.06317.47
5.5.150.0130.07017.44
5.5.140.0100.04017.18
5.5.130.0070.07017.37
5.5.120.0070.07317.45
5.5.110.0030.07717.21
5.5.100.0100.07717.10
5.5.90.0100.06317.34
5.5.80.0100.07717.36
5.5.70.0130.07717.23
5.5.60.0070.07717.42
5.5.50.0130.06317.26
5.5.40.0170.04017.25
5.5.30.0100.07317.10
5.5.20.0000.08317.40
5.5.10.0070.07717.37
5.5.00.0100.07017.48
5.4.450.0000.04319.31
5.4.440.0030.03319.34
5.4.430.0030.03719.35
5.4.420.0030.06319.30
5.4.410.0100.07719.46
5.4.400.0100.07019.12
5.4.390.0070.05019.10
5.4.380.0100.07319.07
5.4.370.0100.06319.03
5.4.360.0070.07319.18
5.4.350.0030.07719.18
5.4.340.0030.08018.93
5.4.320.0100.04019.01
5.4.310.0030.04719.13
5.4.300.0170.06319.01
5.4.290.0070.06719.15
5.4.280.0100.07019.09
5.4.270.0130.05718.97
5.4.260.0070.07718.98
5.4.250.0070.04719.16
5.4.240.0130.06719.02
5.4.230.0070.05719.09
5.4.220.0030.06719.17
5.4.210.0100.07018.94
5.4.200.0070.07719.11
5.4.190.0100.07718.99
5.4.180.0030.08019.17
5.4.170.0030.08019.11
5.4.160.0100.07019.02
5.4.150.0170.07019.16
5.4.140.0070.03316.53
5.4.130.0070.07016.25
5.4.120.0030.07716.46
5.4.110.0030.07716.38
5.4.100.0070.04016.42
5.4.90.0070.07016.58
5.4.80.0030.05716.36
5.4.70.0030.05016.50
5.4.60.0030.07716.38
5.4.50.0130.07316.38
5.4.40.0030.03716.55
5.4.30.0130.04016.46
5.4.20.0000.06316.50
5.4.10.0130.06316.33
5.4.00.0070.07315.70
5.3.290.0100.05714.55
5.3.280.0030.06314.66
5.3.270.0100.07314.50
5.3.260.0100.07014.63
5.3.250.0130.07014.39
5.3.240.0070.06714.50
5.3.230.0070.03714.61
5.3.220.0070.07714.56
5.3.210.0170.07014.64
5.3.200.0000.08314.41
5.3.190.0070.05314.36
5.3.180.0030.04314.44
5.3.170.0030.07314.41
5.3.160.0000.06714.46
5.3.150.0100.05314.45
5.3.140.0070.06014.56
5.3.130.0070.07314.62
5.3.120.0100.07014.33
5.3.110.0030.07714.54
5.3.100.0100.03713.96
5.3.90.0130.06714.03
5.3.80.0030.05713.91
5.3.70.0100.07313.96
5.3.60.0130.06013.86
5.3.50.0130.06013.81
5.3.40.0070.04013.88
5.3.30.0070.07313.78
5.3.20.0130.05713.62
5.3.10.0070.07313.58
5.3.00.0030.07713.52
5.2.170.0130.05312.21
5.2.160.0100.06012.21
5.2.150.0000.03312.21
5.2.140.0030.03712.21
5.2.130.0100.05312.21
5.2.120.0030.05712.21
5.2.110.0070.06012.21
5.2.100.0030.05312.21
5.2.90.0130.05012.21
5.2.80.0030.06312.21
5.2.70.0070.06012.21
5.2.60.0130.05712.21
5.2.50.0030.05712.21
5.2.40.0070.05012.21
5.2.30.0030.06012.21
5.2.20.0130.05012.21
5.2.10.0070.05712.21
5.2.00.0030.06712.21
5.1.60.0030.04312.21
5.1.50.0030.04312.21
5.1.40.0070.05012.21
5.1.30.0030.06012.21
5.1.20.0070.05012.21
5.1.10.0000.05712.21
5.1.00.0030.05012.21
5.0.50.0130.02312.21
5.0.40.0070.04012.21
5.0.30.0070.06312.21
5.0.20.0000.04012.21
5.0.10.0000.03012.21
5.0.00.0000.05712.21
4.4.90.0030.03012.21
4.4.80.0070.03312.21
4.4.70.0030.03712.21
4.4.60.0030.03012.21
4.4.50.0030.03312.21
4.4.40.0000.05012.21
4.4.30.0030.03012.21
4.4.20.0030.02712.21
4.4.10.0000.03712.21
4.4.00.0000.05712.21
4.3.110.0030.02712.21
4.3.100.0070.02712.21
4.3.90.0100.02312.21
4.3.80.0030.04012.21
4.3.70.0030.03312.21
4.3.60.0000.03312.21
4.3.50.0000.03712.21
4.3.40.0070.04712.21
4.3.30.0000.04012.21
4.3.20.0000.03312.21
4.3.10.0000.03312.21
4.3.00.0030.03312.21

preferences:
41.14 ms | 401 KiB | 5 Q