3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $old_sessionid = session_id(); session_regenerate_id(); $new_sessionid = session_id(); echo "Old Session: $old_sessionid<br />"; echo "New Session: $new_sessionid<br />"; print_r($_SESSION);

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)
8.3.40.0070.00718.46
8.3.30.0120.00618.65
8.3.20.0080.00018.86
8.3.10.0080.00020.48
8.3.00.0080.00019.02
8.2.170.0070.00722.96
8.2.160.0070.00721.08
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.79
8.2.110.0070.00420.88
8.2.100.0060.00617.72
8.2.90.0070.00019.17
8.2.80.0080.00019.28
8.2.70.0080.00417.38
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0080.00019.94
8.2.30.0040.00419.46
8.2.20.0030.00619.56
8.2.10.0020.00517.75
8.2.00.0000.00717.74
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.38
8.1.230.0040.00821.03
8.1.220.0060.00318.77
8.1.210.0000.00818.96
8.1.200.0040.00417.23
8.1.190.0040.00417.63
8.1.180.0030.00518.10
8.1.170.0050.00318.71
8.1.160.0070.00018.95
8.1.150.0040.00418.57
8.1.140.0000.00717.52
8.1.130.0000.00717.89
8.1.120.0050.00317.47
8.1.110.0040.00417.32
8.1.100.0030.00417.39
8.1.90.0030.00317.34
8.1.80.0040.00417.54
8.1.70.0040.00417.43
8.1.60.0050.00317.62
8.1.50.0060.00317.37
8.1.40.0080.00017.56
8.1.30.0050.00317.63
8.1.20.0040.00417.48
8.1.10.0000.00817.40
8.1.00.0000.00717.50
8.0.300.0030.00520.03
8.0.290.0070.00017.18
8.0.280.0070.00018.41
8.0.270.0000.00716.83
8.0.260.0030.00316.74
8.0.250.0040.00316.86
8.0.240.0070.00016.88
8.0.230.0000.00716.95
8.0.220.0070.00016.96
8.0.210.0070.00016.89
8.0.200.0000.00716.85
8.0.190.0030.00316.85
8.0.180.0050.00316.91
8.0.170.0030.00616.80
8.0.160.0000.00716.82
8.0.150.0060.00316.85
8.0.140.0000.01116.74
8.0.130.0000.00613.40
8.0.120.0000.00816.72
8.0.110.0050.00316.90
8.0.100.0040.00416.90
8.0.90.0080.00016.71
8.0.80.0120.00916.84
8.0.70.0040.00416.85
8.0.60.0030.00516.85
8.0.50.0040.00416.75
8.0.30.0110.01117.08
8.0.20.0110.00817.08
8.0.10.0000.00817.05
8.0.00.0090.01216.95
7.4.330.0050.00013.04
7.4.320.0070.00016.50
7.4.300.0000.00616.66
7.4.290.0070.00316.52
7.4.280.0080.00016.50
7.4.270.0040.00416.62
7.4.260.0050.00013.16
7.4.250.0030.00516.54
7.4.240.0040.00416.55
7.4.230.0000.00716.32
7.4.220.0060.01016.47
7.4.210.0080.00716.47
7.4.200.0040.00416.60
7.4.190.0000.00716.67
7.4.160.0160.00616.76
7.4.150.0150.00916.43
7.4.140.0080.01316.56
7.4.130.0100.00716.48
7.4.120.0070.00916.56
7.4.110.0090.00916.63
7.4.100.0070.01016.43
7.4.90.0130.01016.37
7.4.80.0130.00319.39
7.4.70.0090.01516.37
7.4.60.0100.00616.35
7.4.50.0090.00016.57
7.4.40.0090.00616.57
7.4.30.0100.00816.55
7.4.00.0030.01314.81
7.3.330.0060.00013.11
7.3.320.0000.00513.11
7.3.310.0030.00316.29
7.3.300.0030.00316.11
7.3.290.0060.00916.19
7.3.280.0090.00916.23
7.3.270.0070.01016.12
7.3.260.0140.00416.50
7.3.250.0120.01116.38
7.3.240.0130.00616.38
7.3.230.0150.00816.28
7.3.210.0090.00916.18
7.3.200.0150.00416.33
7.3.190.0120.00616.39
7.3.180.0100.00716.49
7.3.170.0120.00916.20
7.3.160.0130.00316.45
7.3.120.0070.00714.96
7.2.330.0150.00316.77
7.2.320.0040.01716.64
7.2.310.0070.01116.70
7.2.300.0080.01216.40
7.2.290.0060.01016.75
7.2.60.0040.01216.91
7.2.00.0040.00819.23
7.1.200.0050.00315.88
7.1.100.0030.00717.80
7.1.70.0070.00716.81
7.1.60.0030.02019.40
7.1.50.0060.01316.89
7.1.00.0030.07722.51
7.0.200.0070.00716.64
7.0.140.0070.06722.08
7.0.120.0030.07022.04
7.0.60.0030.07720.00
7.0.50.0070.04717.78
7.0.40.0100.04019.98
7.0.30.0530.05020.17
7.0.20.0330.06720.16
7.0.10.0000.06320.20
7.0.00.0100.03720.17
5.6.210.0000.04320.57
5.6.200.0030.08318.19
5.6.190.0070.08320.67
5.6.180.0300.07020.33
5.6.170.0300.05320.44
5.6.160.0070.09020.48
5.6.150.0100.05018.14
5.6.140.0070.08318.18
5.6.130.0000.08718.09
5.6.120.0170.07720.98
5.6.110.0230.06721.11
5.6.100.0030.08720.96
5.6.90.0100.08020.96
5.6.80.0000.04320.37
5.5.350.0070.04320.43
5.5.340.0170.07017.91
5.5.330.0130.07320.47
5.5.320.0330.08720.28
5.5.310.0300.06720.50
5.5.300.0100.08017.97
5.5.290.0070.08717.96
5.5.280.0030.04020.76
5.5.270.0130.08020.75
5.5.260.0100.06020.75
5.5.250.0130.07320.68
5.5.240.0230.05320.36
5.4.450.0170.07319.14
5.4.440.0130.07319.13
5.4.430.0030.08319.11
5.4.420.0070.07719.48
5.4.410.0130.07018.98
5.4.400.0030.07018.81
5.4.390.0130.07719.15
5.4.380.0170.06019.00
5.4.370.0100.04719.18
5.4.360.0030.04318.77
5.4.350.0070.07319.09
5.4.340.0170.05319.18
5.4.320.0130.07319.14
5.4.310.0070.04319.04
5.4.300.0100.07018.93
5.4.290.0100.07319.00
5.4.280.0070.07719.18
5.4.270.0100.06019.07
5.4.260.0070.08018.92
5.4.250.0200.06318.78
5.4.240.0130.07718.78
5.4.230.0030.08318.86
5.4.220.0130.07019.16
5.4.210.0100.06719.11
5.4.200.0100.07018.78
5.4.190.0030.08019.17
5.4.180.0030.08318.79
5.4.170.0100.07718.80
5.4.160.0170.04718.93
5.4.150.0230.06318.89
5.4.140.0030.07716.29
5.4.130.0130.06016.16
5.4.120.0130.06016.34
5.4.110.0100.05716.32
5.4.100.0130.06716.23
5.4.90.0130.07016.30
5.4.80.0070.04716.31
5.4.70.0100.03716.33
5.4.60.0100.07316.13
5.4.50.0100.05716.23
5.4.40.0070.07016.22
5.4.30.0170.06316.31
5.4.20.0130.04716.38
5.4.10.0100.07016.42
5.4.00.0070.03315.90
5.3.290.0070.07714.62
5.3.280.0070.07714.52
5.3.270.0070.07714.52
5.3.260.0130.07314.55
5.3.250.0030.08314.70
5.3.240.0030.04014.55
5.3.230.0130.07014.50
5.3.220.0100.07314.58
5.3.210.0070.07314.50
5.3.200.0030.07714.49
5.3.190.0070.08014.66
5.3.180.0100.06714.40
5.3.170.0070.07014.48
5.3.160.0070.04314.65
5.3.150.0100.07314.49
5.3.140.0000.06714.48
5.3.130.0070.08014.36
5.3.120.0030.05714.43
5.3.110.0070.07714.47
5.3.100.0130.03313.89
5.3.90.0100.07013.98
5.3.80.0170.04013.93
5.3.70.0100.06313.96
5.3.60.0030.06313.96
5.3.50.0070.06313.76
5.3.40.0030.04713.89
5.3.30.0100.05713.84
5.3.20.0070.07313.66
5.3.10.0100.06713.75
5.3.00.0030.07713.58
5.2.170.0030.05711.11
5.2.160.0000.06011.10
5.2.150.0100.05711.04
5.2.140.0030.05011.13
5.2.130.0070.06311.09
5.2.120.0030.06011.08
5.2.110.0070.05011.09
5.2.100.0070.03711.04
5.2.90.0030.05011.26
5.2.80.0070.06010.93
5.2.70.0100.06011.07
5.2.60.0100.06010.96
5.2.50.0100.06010.83
5.2.40.0030.03710.99
5.2.30.0000.07010.79
5.2.20.0030.06310.86
5.2.10.0030.05010.89
5.2.00.0030.05010.71
5.1.60.0000.0509.89
5.1.50.0030.0539.94
5.1.40.0100.05010.12
5.1.30.0100.04710.38
5.1.20.0070.02710.31
5.1.10.0000.03010.05
5.1.00.0070.05710.06
5.0.50.0070.0478.58
5.0.40.0100.0408.44
5.0.30.0070.0638.22
5.0.20.0070.0278.26
5.0.10.0000.0438.14
5.0.00.0100.0578.20
4.4.90.0030.0277.68
4.4.80.0000.0337.68
4.4.70.0000.0237.68
4.4.60.0000.0337.68
4.4.50.0030.0337.68
4.4.40.0000.0507.68
4.4.30.0000.0307.68
4.4.20.0130.0207.68
4.4.10.0100.0207.68
4.4.00.0030.0607.68
4.3.110.0030.0377.68
4.3.100.0070.0277.68
4.3.90.0070.0307.68
4.3.80.0000.0377.68
4.3.70.0030.0337.68
4.3.60.0070.0237.68
4.3.50.0030.0377.68
4.3.40.0030.0477.68
4.3.30.0070.0177.68
4.3.20.0030.0277.68
4.3.10.0030.0377.68
4.3.00.0000.0377.68

preferences:
40.53 ms | 400 KiB | 5 Q