3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_set_save_handler('sessionOpen', 'sessionClose', 'sessionRead', 'sessionWrite', 'sessionDestroy', 'sessionGC'); function sessionOpen($save_path, $session_name) { return true; } function sessionClose() { return true; } function sessionRead() { return '_lol|s:3:"123"'; } function sessionWrite($session_id, $data) { return true; } function sessionDestroy($session_id) { return true; } function sessionGC($max_lifetime) { return true; } session_start(); var_dump($_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)
8.3.70.0070.01018.43
8.3.60.0070.00716.38
8.3.50.0150.00521.00
8.3.40.0210.00018.84
8.3.30.0040.01118.55
8.3.20.0080.00020.34
8.3.10.0080.00021.85
8.3.00.0000.00723.65
8.2.180.0100.01018.25
8.2.170.0070.00718.71
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0110.00419.82
8.2.120.0000.00826.35
8.2.110.0000.00921.04
8.2.100.0030.00917.78
8.2.90.0040.00419.09
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0070.00417.65
8.2.50.0000.00718.07
8.2.40.0040.00422.36
8.2.30.0030.00620.63
8.2.20.0000.00817.67
8.2.10.0000.00818.00
8.2.00.0050.00317.97
8.1.280.0150.00625.92
8.1.270.0000.00923.97
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00622.48
8.1.230.0060.00620.92
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.38
8.1.180.0040.00718.10
8.1.170.0000.00818.54
8.1.160.0040.00420.70
8.1.150.0040.00418.88
8.1.140.0040.00419.52
8.1.130.0030.00317.69
8.1.120.0000.00717.43
8.1.110.0030.00517.39
8.1.100.0040.00417.30
8.1.90.0040.00417.37
8.1.80.0040.00417.32
8.1.70.0070.00017.31
8.1.60.0050.00217.41
8.1.50.0040.00417.37
8.1.40.0030.00617.34
8.1.30.0040.00417.50
8.1.20.0040.00417.59
8.1.10.0030.00617.39
8.1.00.0080.00017.24
8.0.300.0000.00719.96
8.0.290.0000.00816.63
8.0.280.0000.00718.38
8.0.270.0070.00017.20
8.0.260.0000.00617.10
8.0.250.0030.00316.86
8.0.240.0000.00616.93
8.0.230.0070.00016.97
8.0.220.0000.00816.84
8.0.210.0000.00716.86
8.0.200.0040.00416.93
8.0.190.0000.00816.86
8.0.180.0070.00016.85
8.0.170.0080.00016.89
8.0.160.0000.00716.85
8.0.150.0040.00316.77
8.0.140.0080.00316.81
8.0.130.0060.00013.37
8.0.120.0000.00816.83
8.0.110.0000.00816.81
8.0.100.0000.00816.72
8.0.90.0000.00816.86
8.0.80.0060.00916.90
8.0.70.0000.00716.87
8.0.60.0040.00416.93
8.0.50.0070.00016.82
8.0.30.0080.01017.08
8.0.20.0150.00517.40
8.0.10.0040.00416.81
8.0.00.0080.01016.75
7.4.330.0060.00016.80
7.4.320.0030.00316.50
7.4.300.0000.00616.46
7.4.290.0040.00416.37
7.4.280.0000.01016.55
7.4.270.0030.00316.43
7.4.260.0030.00316.50
7.4.250.0070.00016.34
7.4.240.0000.00716.47
7.4.230.0000.00816.57
7.4.220.0110.00716.48
7.4.210.0060.00916.63
7.4.200.0000.00716.62
7.4.160.0070.00716.39
7.4.150.0160.00317.40
7.4.140.0110.01017.86
7.4.130.0120.00816.48
7.4.120.0060.01316.52
7.4.110.0080.01516.54
7.4.100.0100.01316.46
7.4.90.0070.01016.31
7.4.80.0120.00919.39
7.4.70.0030.01316.56
7.4.60.0130.00416.53
7.4.50.0060.00916.57
7.4.40.0060.01516.52
7.4.30.0130.00316.52
7.4.00.0100.00614.84
7.3.330.0050.00013.20
7.3.320.0000.00513.00
7.3.310.0000.00716.25
7.3.300.0000.00716.11
7.3.290.0070.00916.21
7.3.280.0040.01216.23
7.3.270.0110.00717.40
7.3.260.0030.01316.49
7.3.250.0120.00616.25
7.3.240.0120.00516.41
7.3.230.0110.01116.58
7.3.210.0070.01016.48
7.3.200.0180.00619.39
7.3.190.0100.00616.49
7.3.180.0090.00616.28
7.3.170.0130.01016.41
7.3.160.0060.01516.26
7.3.10.0050.00716.26
7.3.00.0090.00216.43
7.2.330.0120.00616.18
7.2.320.0130.00416.45
7.2.310.0110.00616.68
7.2.300.0000.01616.49
7.2.290.0060.01216.50
7.2.130.0080.00716.51
7.2.120.0060.00716.54
7.2.110.0040.01216.51
7.2.100.0080.00316.47
7.2.90.0060.00716.69
7.2.80.0100.00516.59
7.2.70.0090.00416.58
7.2.60.0060.00816.55
7.2.50.0060.00716.56
7.2.40.0060.00616.56
7.2.30.0070.00816.54
7.2.20.0050.00916.60
7.2.10.0110.00516.57
7.2.00.0100.00617.28
7.1.250.0050.00915.50
7.1.200.0070.00315.70
7.1.100.0000.01017.73
7.1.70.0030.00517.06
7.1.60.0200.00319.21
7.1.50.0040.00716.70
7.1.00.0070.07322.34
7.0.200.0040.00416.49
7.0.60.0500.06720.12
7.0.50.0030.05317.85
7.0.40.0000.04720.02
7.0.30.0270.08320.06
7.0.20.0200.05720.37
7.0.10.0070.05720.06
7.0.00.0000.04320.08
5.6.280.0030.05020.91
5.6.210.0800.06720.59
5.6.200.0030.04718.18
5.6.190.0130.04320.34
5.6.180.0470.07720.61
5.6.170.0370.06720.54
5.6.160.0100.07720.39
5.6.150.0100.04018.19
5.6.140.0030.05318.19
5.6.130.0030.08718.16
5.6.120.0100.08020.99
5.6.110.0070.08321.09
5.6.100.0030.04720.98
5.6.90.0200.06320.95
5.6.80.0030.08720.53
5.5.350.0170.08320.43
5.5.340.0030.04717.93
5.5.330.0070.08720.31
5.5.320.0630.06020.38
5.5.310.0230.07720.28
5.5.300.0030.08717.96
5.5.290.0030.07718.03
5.5.280.0070.08320.68
5.5.270.0030.04020.87
5.5.260.0000.05020.68
5.5.250.0000.05020.55
5.5.240.0170.07720.12

preferences:
57.2 ms | 401 KiB | 5 Q