3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); ini_set('session.use_strict_mode', 1); session_start(); $orig = session_id(); session_regenerate_id(); $new = session_id(); var_dump(strlen($orig),strlen($new)); session_commit(); ini_set('session.hash_function','sha1'); session_id('invalid'); session_start(); $orig = session_id(); session_regenerate_id(); $new = session_id(); var_dump(strlen($orig),strlen($new));

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)
8.3.60.0090.00616.47
8.3.50.0100.01016.51
8.3.40.0110.00718.67
8.3.30.0150.00018.54
8.3.20.0080.00020.39
8.3.10.0070.00023.53
8.3.00.0000.00823.79
8.2.180.0100.01025.92
8.2.170.0040.01118.83
8.2.160.0110.00420.52
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00019.70
8.2.120.0080.00026.35
8.2.110.0060.00322.11
8.2.100.0090.00317.80
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0090.00017.63
8.2.60.0080.00017.80
8.2.50.0080.00018.07
8.2.40.0050.00322.19
8.2.30.0000.00819.36
8.2.20.0040.00417.62
8.2.10.0040.00418.07
8.2.00.0050.00317.91
8.1.280.0130.00625.92
8.1.270.0060.00324.02
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00922.45
8.1.230.0120.00019.08
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0050.00318.40
8.1.160.0040.00420.71
8.1.150.0050.00218.78
8.1.140.0030.00719.66
8.1.130.0000.00717.57
8.1.120.0040.00417.32
8.1.110.0040.00417.41
8.1.100.0040.00417.30
8.1.90.0080.00317.41
8.1.80.0040.00417.31
8.1.70.0030.00317.43
8.1.60.0090.00017.48
8.1.50.0040.00417.39
8.1.40.0030.00517.38
8.1.30.0000.00817.51
8.1.20.0040.00417.51
8.1.10.0040.00417.43
8.1.00.0060.00317.47
8.0.300.0040.00418.77
8.0.290.0080.00016.61
8.0.280.0000.00718.35
8.0.270.0030.00317.34
8.0.260.0000.00617.25
8.0.250.0000.00716.80
8.0.240.0050.00316.79
8.0.230.0040.00416.79
8.0.220.0000.00816.93
8.0.210.0030.00616.73
8.0.200.0030.00316.91
8.0.190.0030.00616.99
8.0.180.0040.00416.94
8.0.170.0090.00016.98
8.0.160.0040.00416.86
8.0.150.0000.00716.78
8.0.140.0040.00416.68
8.0.130.0000.00613.23
8.0.120.0030.00616.88
8.0.110.0030.00516.84
8.0.100.0040.00416.86
8.0.90.0000.00816.88
8.0.80.0130.00316.77
8.0.70.0040.00416.68
8.0.60.0000.00716.63
8.0.50.0070.00016.72
8.0.30.0060.01316.96
8.0.20.0100.01017.40
8.0.10.0040.00416.81
8.0.00.0100.00916.64
7.4.330.0000.00516.71
7.4.320.0030.00316.56
7.4.300.0000.00816.43
7.4.290.0030.00316.46
7.4.280.0050.00516.57
7.4.270.0000.00716.48
7.4.260.0000.00716.44
7.4.250.0030.00516.54
7.4.240.0020.00516.52
7.4.230.0000.00716.34
7.4.220.0130.00516.41
7.4.210.0090.00816.48
7.4.200.0000.00816.55
7.4.160.0080.00816.59
7.4.150.0170.00717.40
7.4.140.0070.01217.86
7.4.130.0110.01016.48
7.4.120.0080.01116.54
7.4.110.0100.01316.38
7.4.100.0090.00916.53
7.4.90.0130.00316.51
7.4.80.0120.00619.39
7.4.70.0070.01016.50
7.4.60.0060.01016.36
7.4.50.0090.00316.22
7.4.40.0120.00916.40
7.4.30.0200.00316.48
7.4.00.0040.01115.04
7.3.330.0050.00013.17
7.3.320.0070.00013.09
7.3.310.0040.00416.31
7.3.300.0020.00516.17
7.3.290.0000.00716.11
7.3.280.0050.01216.26
7.3.270.0090.00917.40
7.3.260.0140.00316.64
7.3.250.0130.00716.32
7.3.240.0100.00816.50
7.3.230.0060.01816.39
7.3.210.0150.00416.30
7.3.200.0110.00619.39
7.3.190.0070.01116.39
7.3.180.0090.01116.45
7.3.170.0100.00616.38
7.3.160.0090.00616.23
7.3.120.0100.00714.96
7.3.110.0100.01014.62
7.3.100.0140.00014.34
7.3.90.0040.00715.00
7.3.80.0080.00414.89
7.3.70.0110.00414.55
7.3.60.0000.01014.88
7.3.50.0130.00314.89
7.3.40.0030.00614.73
7.3.30.0110.00314.79
7.3.20.0070.00716.64
7.3.10.0070.00616.62
7.3.00.0130.00316.64
7.2.330.0160.00416.43
7.2.320.0090.01516.56
7.2.310.0030.01316.48
7.2.300.0070.01316.49
7.2.290.0090.00916.70
7.2.240.0060.01214.93
7.2.230.0100.00615.00
7.2.220.0070.01014.97
7.2.210.0120.00314.85
7.2.200.0030.01014.84
7.2.190.0000.01214.57
7.2.180.0080.01114.86
7.2.170.0070.00614.73
7.2.160.0060.00614.87
7.2.150.0070.01016.57
7.2.140.0060.00816.82
7.2.130.0040.00416.97
7.2.120.0070.00316.34
7.2.110.0070.00716.63
7.2.100.0090.00616.84
7.2.90.0030.01016.98
7.2.80.0000.01416.87
7.2.70.0070.00716.98
7.2.60.0050.01016.75
7.2.50.0070.00716.66
7.2.40.0110.00317.04
7.2.30.0070.00716.82
7.2.20.0000.01216.84
7.2.10.0070.01016.67
7.2.00.0150.00518.01
7.1.330.0140.00315.66
7.1.320.0000.01415.68
7.1.310.0070.01015.82
7.1.300.0070.00715.49
7.1.290.0110.00315.64
7.1.280.0040.00815.70
7.1.270.0120.00015.71
7.1.260.0040.00715.76
7.1.250.0080.00015.45
7.1.200.0030.01015.84
7.1.100.0000.01217.93
7.1.70.0100.00616.96
7.1.60.0140.01019.30
7.1.50.0040.01816.86
7.1.00.0070.07322.44
7.0.200.0000.00816.69
7.0.60.0170.07021.65
7.0.50.0070.08017.81
7.0.40.0100.08320.05
7.0.30.0230.05720.13
7.0.20.0330.06020.13
7.0.10.0030.09020.13
7.0.00.0230.07320.16
5.6.280.0000.07321.11
5.6.210.0070.08720.51
5.6.200.0030.04018.21
5.6.190.0070.07020.39
5.6.180.0400.07720.56
5.6.170.0230.06020.46
5.6.160.0030.09720.44
5.6.150.0070.07718.21
5.6.140.0000.08318.18
5.6.130.0170.07018.16
5.6.120.0000.04320.97
5.6.110.0130.08320.97
5.6.100.0070.06021.13
5.6.90.0030.06021.08
5.6.80.0100.08320.44
5.5.350.0170.06720.48
5.5.340.0000.05318.02
5.5.330.0130.07720.13
5.5.320.0470.04320.13
5.5.310.0230.07020.15
5.5.300.0100.03718.02
5.5.290.0100.06317.94
5.5.280.0070.08320.77
5.5.270.0100.05720.67
5.5.260.0070.08320.75
5.5.250.0130.08020.68
5.5.240.0030.03720.25

preferences:
87.03 ms | 400 KiB | 5 Q