3v4l.org

run code in 300+ PHP versions simultaneously
<?php $users = [ 1 => 'Hello World' ]; $_SESSION['user_id'] = 'ABC'; if (\array_key_exists('user_id', $_SESSION) && $user_id = \filter_var($_SESSION['user_id'], \FILTER_VALIDATE_INT)) { //not executed $user = $users[$user_id]; var_dump($user); } $_SESSION['user_id'] = '1'; if (\array_key_exists('user_id', $_SESSION) && $user_id = \filter_var($_SESSION['user_id'], \FILTER_VALIDATE_INT)) { $user = $users[$user_id]; var_dump($user); } $_SESSION['user_id'] = 'ABC'; if (!empty($_SESSION['user_id'])) { $user_id = $_SESSION['user_id']; $user = $users[$user_id]; //error var_dump($user); //null }

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)
8.5.30.0080.00919.52
8.5.20.0110.00619.70
8.5.10.0100.00717.01
8.5.00.0120.00920.43
8.4.180.0120.01020.00
8.4.170.0140.00822.09
8.4.160.0140.00822.10
8.4.150.0100.00316.97
8.4.140.0110.01317.69
8.4.130.0110.00918.91
8.4.120.0060.00319.50
8.4.110.0110.00918.02
8.4.100.0120.00817.84
8.4.90.0150.00520.46
8.4.80.0080.00818.83
8.4.70.0140.00719.17
8.4.60.0090.00720.89
8.4.50.0110.00918.75
8.4.40.0180.00319.64
8.4.30.0170.00319.75
8.4.20.0080.01220.19
8.4.10.0150.00618.08
8.3.300.0120.01018.58
8.3.290.0100.01020.79
8.3.280.0140.00518.48
8.3.270.0110.00917.05
8.3.260.0140.00516.63
8.3.250.0110.00816.81
8.3.240.0130.00616.82
8.3.230.0100.00916.98
8.3.220.0100.01018.83
8.3.210.0110.00716.70
8.3.200.0070.00117.04
8.3.190.0060.00217.31
8.3.180.0130.00518.92
8.3.170.0090.00918.99
8.3.160.0070.01118.43
8.3.150.0100.01018.92
8.3.140.0030.01319.07
8.3.130.0080.00018.77
8.3.120.0030.00518.83
8.3.110.0000.00920.94
8.3.100.0040.00424.06
8.3.90.0070.00026.77
8.3.80.0070.00317.97
8.3.70.0090.00616.63
8.3.60.0040.01118.43
8.3.50.0110.00819.17
8.3.40.0070.01018.78
8.3.30.0090.00618.68
8.3.20.0040.00421.89
8.3.10.0000.00823.66
8.3.00.0040.00423.36
8.2.300.0100.01122.14
8.2.290.0130.00716.73
8.2.280.0130.00720.16
8.2.270.0110.00716.57
8.2.260.0080.00017.26
8.2.250.0050.00316.98
8.2.240.0040.00417.04
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0060.00326.77
8.2.200.0060.00318.44
8.2.190.0060.00918.45
8.2.180.0070.01116.75
8.2.170.0070.01422.96
8.2.160.0140.00320.41
8.2.150.0110.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.13
8.2.110.0030.00721.09
8.2.100.0040.00819.63
8.2.90.0030.00620.60
8.2.80.0040.00418.05
8.2.70.0080.00018.05
8.2.60.0040.00418.34
8.2.50.0040.00418.10
8.2.40.0030.00619.34
8.2.30.0000.00719.36
8.2.20.0040.00418.00
8.2.10.0000.00720.68
8.2.00.0040.00419.51
8.1.340.0150.00819.51
8.1.330.0110.00816.32
8.1.320.0100.00918.20
8.1.310.0040.00416.79
8.1.300.0100.01017.77
8.1.290.0040.00430.84
8.1.280.0130.00725.92
8.1.270.0060.00322.22
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00523.96
8.1.230.0080.00322.80
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0050.00517.35
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0030.00618.48
8.1.160.0050.00218.95
8.1.150.0070.00018.93
8.1.140.0070.00022.19
8.1.130.0040.00420.13
8.1.120.0030.00317.47
8.1.110.0040.00417.49
8.1.100.0000.00817.32
8.1.90.0000.00717.48
8.1.80.0070.00017.45
8.1.70.0000.00717.53
8.1.60.0030.00517.57
8.1.50.0000.00817.53
8.1.40.0040.00417.39
8.1.30.0000.00717.55
8.1.20.0040.00417.55
8.1.10.0000.00817.58
8.1.00.0040.00417.50
8.0.300.0030.00619.71
8.0.290.0040.00416.88
8.0.280.0000.00818.36
8.0.270.0030.00317.13
8.0.260.0030.00318.40
8.0.250.0080.00016.93
8.0.240.0060.00017.00
8.0.230.0030.00517.03
8.0.220.0000.00716.95
8.0.210.0030.00316.97
8.0.200.0000.00717.04
8.0.190.0030.00617.02
8.0.180.0080.00017.01
8.0.170.0040.00416.86
8.0.160.0070.00016.80
8.0.150.0040.00416.78
8.0.140.0070.00016.98
8.0.130.0050.00013.37
8.0.120.0000.00716.82
8.0.110.0040.00416.93
8.0.100.0040.00416.99
8.0.90.0070.00016.78
8.0.80.0050.01116.97
8.0.70.0040.00416.95
8.0.60.0040.00416.81
8.0.50.0040.00416.84
8.0.30.0120.00617.07
8.0.20.0250.00017.40
8.0.10.0070.00016.94
8.0.00.0110.00616.75
7.4.330.0050.00016.71
7.4.320.0000.00716.61
7.4.300.0000.00616.61
7.4.290.0000.00716.45
7.4.280.0080.00016.59
7.4.270.0030.00316.51
7.4.260.0070.00016.63
7.4.250.0000.00716.51
7.4.240.0030.00616.61
7.4.230.0040.00416.61
7.4.220.0050.00316.63
7.4.210.0030.01316.50
7.4.200.0030.00316.43
7.4.160.0090.00716.55
7.4.140.0090.01017.86
7.4.130.0120.00616.46
7.4.120.0100.00616.46
7.4.110.0040.01316.52
7.4.100.0160.00816.54
7.4.90.0130.00316.40
7.4.80.0090.00819.39
7.4.70.0100.00716.36
7.4.60.0030.01316.59
7.4.50.0040.01116.57
7.4.40.0060.01216.27
7.4.00.0090.00914.73
7.3.330.0000.00513.30
7.3.320.0000.00613.18
7.3.310.0030.00316.45
7.3.300.0040.00416.39
7.3.290.0080.00016.38
7.3.280.0070.01016.32
7.3.260.0140.00716.45
7.3.240.0080.01116.31
7.3.230.0030.01316.45
7.3.210.0140.00316.59
7.3.200.0000.01516.34
7.3.190.0130.00316.57
7.3.180.0040.01816.48
7.3.170.0130.00916.31
7.3.160.0070.01116.29
7.3.00.0660.00815.60
7.2.330.0140.00316.58
7.2.320.0070.01116.70
7.2.310.0130.00616.69
7.2.300.0090.00816.49
7.2.290.0090.01216.63
7.2.130.0730.00815.48
7.2.120.0460.00315.75
7.2.110.0390.01015.84
7.2.100.0420.00615.82
7.2.90.0420.01215.84
7.2.80.0680.00915.65
7.2.70.0510.00715.79
7.2.60.1070.00716.07
7.2.50.0890.00716.06
7.2.40.0800.00515.84
7.2.30.0700.00516.00
7.2.20.0500.00915.98
7.2.10.0440.00815.94
7.2.00.0410.01115.98
7.1.250.0680.01214.79
7.0.330.0580.01014.42
5.6.380.0020.00914.61

preferences:
45.58 ms | 1391 KiB | 5 Q