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run code in 300+ PHP versions simultaneously
<?php class SessionTest implements \SessionHandlerInterface { public function __construct() { session_set_save_handler($this, true); } public function open(string $save_path, string $name): bool { return true; } public function close(): bool { return true; } public function read(string $session_id): string { return ''; } public function write(string $session_id, string $session_data): bool { return true; } public function destroy(string $session_id): bool { return true; } public function gc(int $maxlifetime): bool { return true; } } $SessionTest = new SessionTest();

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)
8.4.120.0120.00820.73
8.4.110.0110.01222.54
8.4.100.0110.00917.77
8.4.90.0110.01017.59
8.4.80.0060.00217.89
8.4.70.0020.00618.08
8.4.60.0120.00818.66
8.4.50.0160.00617.91
8.4.40.0100.01017.70
8.4.30.0130.00718.56
8.4.20.0120.00817.86
8.4.10.0050.00521.34
8.3.250.0110.00818.76
8.3.240.0120.00716.54
8.3.230.0060.00316.73
8.3.220.0040.00317.10
8.3.210.0100.00816.69
8.3.200.0050.00416.67
8.3.190.0060.00818.90
8.3.180.0110.00516.62
8.3.170.0110.00716.60
8.3.160.0090.00916.94
8.3.150.0160.00319.00
8.3.140.0150.00317.23
8.3.130.0130.01018.40
8.3.120.0070.01018.78
8.3.110.0150.00320.94
8.3.100.0000.00824.06
8.3.90.0160.00326.77
8.3.80.0060.00319.36
8.3.70.0100.00718.50
8.3.60.0120.00316.63
8.3.50.0090.00824.59
8.3.40.0040.01221.65
8.3.30.0040.01118.54
8.3.20.0060.00324.18
8.3.10.0030.00624.66
8.3.00.0060.00326.16
8.2.290.0070.01120.40
8.2.280.0110.00718.50
8.2.270.0130.00616.75
8.2.260.0070.01018.27
8.2.250.0000.00818.38
8.2.240.0060.00317.13
8.2.230.0090.00022.58
8.2.220.0080.00037.54
8.2.210.0160.00326.77
8.2.200.0000.00918.88
8.2.190.0110.00718.24
8.2.180.0130.00725.92
8.2.170.0060.01519.00
8.2.160.0160.00322.96
8.2.150.0070.00025.66
8.2.140.0000.00724.66
8.2.130.0030.00626.16
8.2.120.0050.00319.64
8.2.110.0090.00020.52
8.2.100.0000.01217.91
8.2.90.0060.00317.75
8.2.80.0040.00418.77
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0050.00318.35
8.2.30.0030.00618.11
8.2.20.0000.00717.93
8.2.10.0040.00419.29
8.2.00.0000.00719.13
8.1.330.0100.00918.49
8.1.320.0100.01016.30
8.1.310.0040.00416.52
8.1.300.0000.01017.50
8.1.290.0090.00030.84
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00318.93
8.1.230.0060.00617.83
8.1.220.0030.00617.79
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00817.35
8.1.180.0070.00318.10
8.1.170.0030.00618.66
8.1.160.0000.00818.89
8.1.150.0070.00018.93
8.1.140.0040.00418.84
8.1.130.0000.00817.41
8.1.120.0080.00017.48
8.1.110.0030.00517.43
8.1.100.0040.00417.43
8.1.90.0030.00317.40
8.1.80.0080.00017.39
8.1.70.0000.00717.48
8.1.60.0030.00617.62
8.1.50.0040.00417.56
8.1.40.0030.00517.43
8.1.30.0000.00817.64
8.1.20.0040.00417.66
8.1.10.0000.00817.42
8.1.00.0040.00417.48
8.0.300.0000.00918.77
8.0.290.0000.00816.75
8.0.280.0030.00518.38
8.0.270.0000.00718.01
8.0.260.0030.00316.80
8.0.250.0030.00316.90
8.0.240.0040.00416.87
8.0.230.0020.00516.83
8.0.220.0000.00716.95
8.0.210.0030.00316.79
8.0.200.0070.00016.97
8.0.190.0070.00016.96
8.0.180.0030.00516.91
8.0.170.0030.00516.92
8.0.160.0040.00416.93
8.0.150.0040.00416.79
8.0.140.0000.00716.81
8.0.130.0030.00313.29
8.0.120.0000.00716.77
8.0.110.0070.00016.88
8.0.100.0020.00616.93
8.0.90.0040.00416.77
8.0.80.0070.00616.88
8.0.70.0030.00416.85
8.0.60.0000.00816.89
8.0.50.0020.00516.85
8.0.30.0120.00016.92
8.0.20.0090.00816.97
8.0.10.0040.00416.98
8.0.00.0060.00817.00
7.4.330.0050.00015.55
7.4.320.0030.00316.55
7.4.300.0060.00016.54
7.4.290.0000.00816.43
7.4.280.0000.00916.58
7.4.270.0000.00716.55
7.4.260.0030.00213.25
7.4.250.0040.00416.37
7.4.240.0030.00316.39
7.4.230.0020.00516.37
7.4.220.0050.00216.59
7.4.210.0070.00616.46
7.4.200.0020.00616.58
7.4.190.0030.00316.41
7.4.180.0000.00816.69
7.4.160.0000.00716.71
7.4.150.0040.00316.25
7.4.140.0050.00316.39
7.4.130.0020.01116.37
7.4.120.0130.00316.34
7.4.110.0040.00916.32
7.4.100.0090.00416.41
7.4.90.0080.00516.40
7.4.80.0080.00516.30
7.4.70.0060.00716.50
7.4.60.0050.00716.31
7.4.50.0080.00516.42
7.4.40.0040.00916.33
7.4.30.0060.00716.24
7.4.20.0040.00916.28
7.4.10.0060.00716.47
7.4.00.0090.00316.35
7.3.330.0070.00016.22
7.3.320.0000.00613.21
7.3.310.0000.00716.30
7.3.300.0070.00016.19
7.3.290.0060.00816.21
7.3.280.0000.00916.18
7.3.270.0040.00416.24
7.3.260.0050.00916.28
7.3.250.0040.01016.34
7.3.240.0050.00816.36
7.3.230.0110.00416.21
7.3.220.0070.00516.28
7.3.210.0040.00816.13
7.3.200.0080.00516.26
7.3.190.0060.00616.29
7.3.180.0080.00416.20
7.3.170.0070.00716.28
7.3.160.0090.00416.29
7.3.150.0070.00516.25
7.3.140.0040.00916.28
7.3.130.0090.00316.31
7.3.120.0060.00616.21
7.3.110.0070.00716.19
7.3.100.0090.00516.12
7.3.90.0060.00916.38
7.3.80.0070.00616.21
7.3.70.0090.00716.30
7.3.60.0120.00516.27
7.3.50.0080.00916.26
7.3.40.0050.00716.33
7.3.30.0050.00816.28
7.3.20.0060.00817.31
7.3.10.0020.01117.20
7.3.00.0090.00617.29

preferences:
118.03 ms | 403 KiB | 5 Q