3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const TEST = 'Foo'; } $foo = new Foo(); $classname = get_class($foo); var_dump(constant($classname.'::TEST')); var_dump(defined('Foo::TEST'));

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)
8.3.60.0060.00918.43
8.3.50.0140.00316.27
8.3.40.0000.01418.54
8.3.30.0100.00318.43
8.3.20.0000.00820.21
8.3.10.0040.00421.91
8.3.00.0050.00320.95
8.2.180.0140.00418.49
8.2.170.0090.00622.96
8.2.160.0100.00322.16
8.2.150.0140.00024.18
8.2.140.0050.00224.66
8.2.130.0050.00222.08
8.2.120.0040.00426.35
8.2.110.0070.00321.97
8.2.100.0030.00917.72
8.2.90.0000.00818.03
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0080.00020.45
8.2.30.0040.00421.04
8.2.20.0040.00418.05
8.2.10.0000.00818.05
8.2.00.0040.00418.13
8.1.280.0150.00425.92
8.1.270.0040.00423.86
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0040.00820.97
8.1.220.0030.00617.74
8.1.210.0000.00818.89
8.1.200.0000.00917.35
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0080.00018.48
8.1.160.0040.00419.02
8.1.150.0050.00318.85
8.1.140.0070.00019.51
8.1.130.0030.00318.87
8.1.120.0030.00717.42
8.1.110.0000.00817.38
8.1.100.0040.00417.46
8.1.90.0040.00417.35
8.1.80.0000.00717.38
8.1.70.0030.00317.35
8.1.60.0000.00917.54
8.1.50.0000.00817.29
8.1.40.0040.00417.43
8.1.30.0000.00817.57
8.1.20.0000.00817.62
8.1.10.0000.00717.57
8.1.00.0040.00417.47
8.0.300.0000.00720.00
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00317.17
8.0.260.0060.00016.73
8.0.250.0000.00716.98
8.0.240.0000.00816.69
8.0.230.0050.00516.97
8.0.220.0000.00816.88
8.0.210.0030.00316.76
8.0.200.0060.00017.01
8.0.190.0030.00616.96
8.0.180.0070.00316.93
8.0.170.0000.00816.95
8.0.160.0000.00916.80
8.0.150.0000.00716.74
8.0.140.0040.00416.88
8.0.130.0000.00813.20
8.0.120.0040.00416.87
8.0.110.0040.00416.93
8.0.100.0030.00516.71
8.0.90.0070.00016.79
8.0.80.0100.00616.82
8.0.70.0070.00016.94
8.0.60.0000.00716.93
8.0.50.0000.00716.96
8.0.30.0080.01216.97
8.0.20.0090.01317.40
8.0.10.0000.00716.92
8.0.00.0190.00616.67
7.4.330.0050.00015.55
7.4.320.0000.00616.58
7.4.300.0000.00616.49
7.4.290.0000.00916.36
7.4.280.0070.00016.42
7.4.270.0040.00416.50
7.4.260.0040.00416.57
7.4.250.0000.00716.42
7.4.240.0050.00316.59
7.4.230.0000.00716.56
7.4.220.0070.01916.53
7.4.210.0090.00616.43
7.4.200.0070.00016.24
7.4.160.0080.01016.46
7.4.150.0040.02117.40
7.4.140.0100.00817.86
7.4.130.0080.01116.44
7.4.120.0100.01016.55
7.4.110.0080.01116.44
7.4.100.0070.01016.46
7.4.90.0110.00716.38
7.4.80.0100.00919.39
7.4.70.0090.00616.45
7.4.60.0080.00816.47
7.4.50.0060.00916.36
7.4.40.0100.00716.37
7.4.30.0070.00716.51
7.4.10.0100.01014.91
7.4.00.0140.00315.03
7.3.330.0000.00613.29
7.3.320.0020.00313.29
7.3.310.0050.00216.17
7.3.300.0040.00416.30
7.3.290.0090.00616.29
7.3.280.0090.00716.28
7.3.270.0060.01217.40
7.3.260.0070.01116.40
7.3.250.0080.00916.34
7.3.240.0080.00916.56
7.3.230.0070.01116.27
7.3.210.0130.00316.15
7.3.200.0060.00916.58
7.3.190.0070.01016.38
7.3.180.0150.00616.38
7.3.170.0060.00916.71
7.3.160.0030.01716.51
7.3.130.0070.01114.68
7.3.120.0140.00314.73
7.3.110.0060.00914.55
7.3.100.0030.00914.71
7.3.90.0060.00914.79
7.3.80.0130.00314.57
7.3.70.0100.00314.68
7.3.60.0110.00414.97
7.3.50.0110.00314.86
7.3.40.0040.01114.85
7.3.30.0060.00614.78
7.3.20.0080.00416.36
7.3.10.0050.00716.43
7.3.00.0070.00616.57
7.2.330.0040.01316.30
7.2.320.0090.00916.54
7.2.310.0070.01416.60
7.2.300.0080.00816.66
7.2.290.0100.01316.47
7.2.260.0070.01114.86
7.2.250.0030.01315.08
7.2.240.0040.01414.89
7.2.230.0060.00914.83
7.2.220.0040.01214.73
7.2.210.0000.01414.86
7.2.200.0080.00414.79
7.2.190.0060.01014.53
7.2.180.0080.00414.68
7.2.170.0000.01315.04
7.2.160.0060.00915.14
7.2.150.0040.01116.85
7.2.140.0060.00617.09
7.2.130.0040.00916.78
7.2.120.0050.00716.84
7.2.110.0070.00516.90
7.2.100.0080.00816.86
7.2.90.0070.00716.90
7.2.80.0040.01016.74
7.2.70.0060.00716.83
7.2.60.0040.00816.80
7.2.50.0050.00916.93
7.2.40.0070.00616.86
7.2.30.0050.00616.88
7.2.20.0050.00616.73
7.2.10.0050.00816.93
7.2.00.0040.01016.91
7.1.330.0060.00615.68
7.1.320.0030.00615.82
7.1.310.0000.01215.86
7.1.300.0000.01415.50
7.1.290.0030.01215.89
7.1.280.0000.00915.77
7.1.270.0090.00315.74
7.1.260.0050.00515.76
7.1.250.0030.00615.71
7.1.240.0000.01215.74
7.1.230.0030.01315.55
7.1.220.0060.00315.80
7.1.210.0070.00415.82
7.1.200.0100.00615.71
7.1.190.0060.00615.91
7.1.180.0060.00615.56
7.1.170.0120.00315.73
7.1.160.0030.00515.81
7.1.150.0100.00315.88
7.1.140.0070.00715.66
7.1.130.0000.01215.65
7.1.120.0100.00315.39
7.1.110.0030.00915.46
7.1.100.0070.00716.92
7.1.90.0080.00515.59
7.1.80.0120.00315.78
7.1.70.0080.00516.31
7.1.60.0370.00524.49
7.1.50.0250.01224.31
7.1.40.0300.01324.19
7.1.30.0270.00724.15
7.1.20.0320.01024.06
7.1.10.0220.00815.11
7.1.00.0250.01115.22
7.0.330.0110.00015.04
7.0.320.0070.00315.32
7.0.310.0030.01015.25
7.0.300.0070.00715.44
7.0.290.0120.00015.23
7.0.280.0060.00615.51
7.0.270.0100.00315.22
7.0.260.0030.00615.14
7.0.250.0080.00315.49
7.0.240.0060.00615.60
7.0.230.0030.00715.28
7.0.220.0030.00915.36
7.0.210.0060.00615.50
7.0.200.0200.00615.01
7.0.190.0170.01115.00
7.0.180.0320.00814.90
7.0.170.0250.00715.04
7.0.160.0200.00914.89
7.0.150.0220.00814.80
7.0.140.0200.00914.90
7.0.130.0280.00315.13
7.0.120.0270.00715.04
7.0.110.0250.00814.82
7.0.100.0270.00314.92
7.0.90.0230.01015.00
7.0.80.0220.00715.04
7.0.70.0310.00314.92
7.0.60.0250.00714.74
7.0.50.0220.01015.12
7.0.40.0240.00714.20
7.0.30.0770.00214.16
7.0.20.0450.01413.96
7.0.10.0240.00514.00
7.0.00.0250.00913.98
5.6.400.0040.00813.97
5.6.390.0090.00314.27
5.6.380.0030.00614.24
5.6.370.0060.00614.21
5.6.360.0100.00314.34
5.6.350.0040.00714.53
5.6.340.0030.01014.44
5.6.330.0030.01014.10
5.6.320.0000.01013.88
5.6.310.0000.01114.63
5.6.300.0100.00314.44
5.6.290.0040.01114.56
5.6.280.0030.00814.29
5.6.270.0000.01214.03
5.6.260.0040.00714.38
5.6.250.0090.00614.25
5.6.240.0060.00314.14
5.6.230.0070.00714.33
5.6.220.0070.00714.28
5.6.210.0030.01014.30
5.6.200.0090.00914.28
5.6.190.0060.00314.47
5.6.180.0120.00314.43
5.6.170.0030.01014.47
5.6.160.0070.00714.26
5.6.150.0040.00714.26
5.6.140.0090.00314.35
5.6.130.0100.00314.41
5.6.120.0070.00414.09
5.6.110.0040.00814.02
5.6.100.0090.00613.98
5.6.90.0040.01114.29
5.6.80.0060.01014.32
5.6.70.0060.00314.15
5.6.60.0040.01214.39
5.6.50.0060.00914.28
5.6.40.0040.01114.36
5.6.30.0070.00714.17
5.6.20.0100.00314.21
5.6.10.0040.00814.17
5.6.00.0100.00314.23

preferences:
54.9 ms | 400 KiB | 5 Q