3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); echo 'Checking if __DIR__ is defined...' . PHP_EOL; if (!defined('__DIR__')) { echo 'Nope, defined() returned (bool)false.' . PHP_EOL; echo 'No prob. Executing define(\'__DIR__\', \'/foo/bar\')...' . PHP_EOL; define('__DIR__', '/foo/bar'); echo 'Done, defined __DIR__ as "/foo/bar".' . PHP_EOL . PHP_EOL; echo 'Double-checking __DIR__ is defined now...' . PHP_EOL; if (!defined('__DIR__')) { echo 'WTF, defined(\'__DIR__\') again returned (bool)false?!' . PHP_EOL; } else{ echo 'Strike, this time defined(\'__DIR__\') returned (bool)true.' . PHP_EOL; } } else{ echo 'Yep, defined(\'__DIR__\') returned (bool)true.' . PHP_EOL; } echo 'Finally, here is the result of var_dump(__DIR__):' . PHP_EOL; var_dump(__DIR__);

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)
8.3.40.0140.00018.83
8.3.30.0100.00320.21
8.3.20.0000.00818.34
8.3.10.0050.00320.96
8.3.00.0030.00523.65
8.2.170.0070.00722.96
8.2.160.0100.00320.14
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.70
8.2.110.0000.00919.39
8.2.100.0070.00417.78
8.2.90.0070.00019.17
8.2.80.0040.00419.47
8.2.70.0060.00317.38
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0080.00019.82
8.2.30.0040.00421.28
8.2.20.0050.00217.52
8.2.10.0000.00817.77
8.2.00.0060.00617.61
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00022.36
8.1.230.0080.00420.91
8.1.220.0040.00418.77
8.1.210.0040.00418.95
8.1.200.0040.00417.23
8.1.190.0040.00417.40
8.1.180.0030.00618.10
8.1.170.0040.00418.62
8.1.160.0070.00018.86
8.1.150.0000.00818.67
8.1.140.0050.00317.39
8.1.130.0000.00720.14
8.1.120.0000.00817.39
8.1.110.0040.00417.32
8.1.100.0000.00917.30
8.1.90.0050.00317.38
8.1.80.0040.00317.45
8.1.70.0030.00317.42
8.1.60.0060.00317.43
8.1.50.0040.00417.32
8.1.40.0040.00417.50
8.1.30.0050.00217.57
8.1.20.0000.00917.46
8.1.10.0080.00017.41
8.1.00.0040.00717.27
8.0.300.0030.00519.94
8.0.290.0070.00017.05
8.0.280.0070.00018.45
8.0.270.0070.00017.15
8.0.260.0030.00318.39
8.0.250.0070.00016.91
8.0.240.0030.00516.93
8.0.230.0070.00016.77
8.0.220.0040.00416.86
8.0.210.0090.00016.87
8.0.200.0000.00716.91
8.0.190.0040.00416.86
8.0.180.0040.00416.94
8.0.170.0000.00716.86
8.0.160.0030.00316.80
8.0.150.0000.00716.66
8.0.140.0030.00516.75
8.0.130.0030.00313.23
8.0.120.0040.00416.69
8.0.110.0040.00416.82
8.0.100.0030.00516.80
8.0.90.0000.00716.63
8.0.80.0080.00816.88
8.0.70.0050.00216.69
8.0.60.0040.00416.87
8.0.50.0070.00016.88
8.0.30.0080.01116.89
8.0.20.0150.00417.40
8.0.10.0070.00016.85
8.0.00.0140.01116.90
7.4.330.0050.00016.85
7.4.320.0000.00716.54
7.4.300.0000.00616.46
7.4.290.0090.00016.46
7.4.280.0030.00416.54
7.4.270.0000.00716.39
7.4.260.0050.00013.20
7.4.250.0040.00416.37
7.4.240.0070.00016.25
7.4.230.0040.00416.65
7.4.220.0130.00616.29
7.4.210.0080.00816.41
7.4.200.0000.00716.28
7.4.190.0040.00416.42
7.4.160.0070.01116.45
7.4.150.0080.01317.40
7.4.140.0100.01117.86
7.4.130.0090.01416.51
7.4.120.0120.00416.50
7.4.110.0030.01616.30
7.4.100.0090.00916.23
7.4.90.0030.01316.39
7.4.80.0120.00919.39
7.4.70.0070.01116.48
7.4.60.0090.00816.51
7.4.50.0000.00516.51
7.4.40.0070.00822.77
7.4.30.0140.00616.39
7.4.00.0070.00714.71
7.3.330.0050.00012.92
7.3.320.0030.00312.98
7.3.310.0000.00716.28
7.3.300.0050.00216.15
7.3.290.0030.01016.12
7.3.280.0090.00716.18
7.3.270.0120.00917.40
7.3.260.0120.00918.24
7.3.250.0110.01116.47
7.3.240.0100.00516.42
7.3.230.0140.00316.46
7.3.210.0100.00616.02
7.3.200.0120.00919.39
7.3.190.0070.01316.37
7.3.180.0070.00716.33
7.3.170.0040.01216.38
7.3.160.0030.01316.33
7.3.120.0160.00014.59
7.2.330.0110.00616.49
7.2.320.0130.00316.39
7.2.310.0000.02316.80
7.2.300.0100.00616.53
7.2.290.0060.00916.72
7.2.60.0040.00816.69
7.1.200.0030.01015.68
7.1.100.0030.00918.16
7.1.70.0090.00017.03
7.1.60.0070.01719.17
7.1.50.0070.01616.66
7.1.00.0000.05322.31
7.0.200.0290.01014.69
7.0.140.0070.07022.15
7.0.60.0030.07719.95
7.0.50.0170.07017.87
7.0.40.0000.05720.08
7.0.30.0230.08320.13
7.0.20.0400.06320.16
7.0.10.0100.08320.02
7.0.00.0170.07720.14
5.6.280.0000.10020.86
5.6.210.0100.07720.72
5.6.200.0030.08318.11
5.6.190.0070.04320.27
5.6.180.0330.06720.69
5.6.170.0200.05320.37
5.6.160.0070.07320.61
5.6.150.0030.04018.18
5.6.140.0030.08718.14
5.6.130.0070.04318.16
5.6.120.0130.07721.13
5.6.110.0030.09020.98
5.6.100.0100.07721.13
5.6.90.0070.04320.97
5.6.80.0100.07720.53
5.5.350.4100.04720.44
5.5.340.0130.06718.01
5.5.330.0070.04320.13
5.5.320.0130.04720.27
5.5.310.0200.03720.30
5.5.300.0070.06017.87
5.5.290.0000.08717.96
5.5.280.0070.07320.80
5.5.270.0130.08020.76
5.5.260.0070.05720.79
5.5.250.0130.05320.79
5.5.240.0030.04320.07
5.4.450.0330.04719.41
5.4.440.0170.05719.48
5.4.430.0300.07019.41
5.4.420.0200.05719.43
5.4.410.0100.05319.00
5.4.400.0270.05019.09
5.4.390.0200.04019.25
5.4.380.0300.04719.24
5.4.370.0230.07018.78
5.4.360.0300.06019.23
5.4.350.0270.03019.08
5.4.340.0300.07019.22
5.4.320.0230.05718.81
5.4.310.0170.04019.16
5.4.300.0230.07019.19
5.4.290.0200.05019.07
5.4.280.0230.04318.80
5.4.270.0170.06319.09
5.4.260.0300.06718.80
5.4.250.0270.06019.13
5.4.240.0300.07018.92
5.4.230.0170.04718.77
5.4.220.0330.05319.21
5.4.210.0200.04319.21
5.4.200.0270.07319.15
5.4.190.0230.07019.08
5.4.180.0200.05019.15
5.4.170.0200.04318.90
5.4.160.0270.02719.07
5.4.150.0200.07318.79
5.4.140.0200.06316.18
5.4.130.0070.04716.39
5.4.120.0170.03316.54
5.4.110.0200.03316.43
5.4.100.0130.03716.49
5.4.90.0130.03716.18
5.4.80.0200.03016.20
5.4.70.0200.03316.29
5.4.60.0230.03316.40
5.4.50.0270.06716.39
5.4.40.0170.03316.37
5.4.30.0300.06316.46
5.4.20.0130.04016.28
5.4.10.0130.03716.20
5.4.00.0230.06015.62
5.3.290.0170.05014.51
5.3.280.0170.07314.53
5.3.270.0130.04014.44
5.3.260.0070.04714.45
5.3.250.0200.06314.56
5.3.240.0230.04014.54
5.3.230.0200.04314.47
5.3.220.0200.03314.42
5.3.210.0130.04014.47
5.3.200.0200.04314.47
5.3.190.0170.03714.40
5.3.180.0230.04714.61
5.3.170.0200.04314.51
5.3.160.0070.05714.40
5.3.150.0170.03714.51
5.3.140.0130.06314.39
5.3.130.0200.03714.39
5.3.120.0230.03014.38
5.3.110.0230.03014.50
5.3.100.0200.04013.91
5.3.90.0130.03713.89
5.3.80.0200.06713.96
5.3.70.0100.04013.95
5.3.60.0170.03313.95
5.3.50.0100.04013.93
5.3.40.0170.05713.99
5.3.30.0130.03713.89
5.3.20.0200.03713.64
5.3.10.0130.05713.48
5.3.00.0230.05313.59
5.2.170.0300.04712.90
5.2.160.0100.03312.90
5.2.150.0100.03012.90
5.2.140.0230.04712.90
5.2.130.0200.06012.90
5.2.120.0270.01712.90
5.2.110.0130.02712.90
5.2.100.0200.05712.90
5.2.90.0200.05012.90
5.2.80.0130.03712.90
5.2.70.0170.06012.90
5.2.60.0100.04012.90
5.2.50.0130.06312.90
5.2.40.0200.02712.90
5.2.30.0130.06312.90
5.2.20.0130.03312.90
5.2.10.0100.03012.90
5.2.00.0070.03312.90
5.1.60.0130.02712.90
5.1.50.0100.05712.90
5.1.40.0130.02712.90
5.1.30.0100.06312.90
5.1.20.0130.04012.90
5.1.10.0200.02312.90
5.1.00.0070.03712.90
5.0.50.0130.02712.90
5.0.40.0000.03012.90
5.0.30.0100.06312.90
5.0.20.0070.02012.90
5.0.10.0030.02712.90
5.0.00.0070.03012.90
4.4.90.0030.02012.90
4.4.80.0070.01312.90
4.4.70.0070.01312.90
4.4.60.0070.01312.90
4.4.50.0030.03012.90
4.4.40.0070.03712.90
4.4.30.0070.02312.90
4.4.20.0070.03712.90
4.4.10.0070.01712.90
4.4.00.0000.04312.90
4.3.110.0030.02012.90
4.3.100.0130.02712.90
4.3.90.0100.02712.90
4.3.80.0070.02312.90
4.3.70.0100.02312.90
4.3.60.0030.01712.90
4.3.50.0070.01312.90
4.3.40.0130.04712.90
4.3.30.0070.01312.90
4.3.20.0030.02712.90
4.3.10.0030.03312.90
4.3.00.0000.02312.90

preferences:
38.42 ms | 400 KiB | 5 Q