3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar { class a { } class b { } function a() { return 'function a'; } function b() { return 'function b'; } const a = 'const a'; const b = 'const b'; } namespace { use Foo\Bar\a; use Foo\Bar\b; use function Foo\Bar\a; use function Foo\Bar\b; use const Foo\Bar\a; use const Foo\Bar\b; var_dump(new a()); var_dump(new b()); var_dump(a()); var_dump(b()); var_dump(a); var_dump(b); } namespace { use Foo\Bar\a, Foo\Bar\b; use function Foo\Bar\a, Foo\Bar\b; use const Foo\Bar\a, Foo\Bar\b; var_dump(new a()); var_dump(new b()); var_dump(a()); var_dump(b()); var_dump(a); var_dump(b); } namespace { use Foo\Bar\{a, b}; use function Foo\Bar\{a, b}; use const Foo\Bar\{a, b}; var_dump(new a()); var_dump(new b()); var_dump(a()); var_dump(b()); var_dump(a); var_dump(b); } namespace { use Foo\Bar\{a, b, function a, function b, const a, const b,}; var_dump(new a()); var_dump(new b()); var_dump(a()); var_dump(b()); var_dump(a); var_dump(b); }

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)
8.3.70.0100.00716.38
8.3.60.0040.01116.63
8.3.50.0080.01016.38
8.3.40.0040.01118.46
8.3.30.0000.01518.73
8.3.20.0000.00820.14
8.3.10.0030.00622.08
8.3.00.0050.00317.53
8.2.180.0070.01018.11
8.2.170.0040.01122.96
8.2.160.0140.00020.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00422.08
8.2.120.0040.00426.35
8.2.110.0030.00721.04
8.2.100.0070.01017.84
8.2.90.0000.00819.05
8.2.80.0060.00317.97
8.2.70.0080.00017.36
8.2.60.0040.00417.67
8.2.50.0040.00418.10
8.2.40.0080.00020.48
8.2.30.0090.00020.86
8.2.20.0050.00218.03
8.2.10.0040.00417.98
8.2.00.0000.00717.96
8.1.280.0040.01125.92
8.1.270.0040.00422.24
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0060.00323.96
8.1.230.0080.00318.92
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0040.00417.11
8.1.180.0000.00818.10
8.1.170.0000.00818.51
8.1.160.0050.00218.99
8.1.150.0070.00020.61
8.1.140.0000.00719.63
8.1.130.0030.00318.78
8.1.120.0050.00217.36
8.1.110.0080.00017.43
8.1.100.0040.00417.45
8.1.90.0000.00817.46
8.1.80.0050.00217.41
8.1.70.0030.00317.43
8.1.60.0000.00817.52
8.1.50.0040.00417.46
8.1.40.0000.00817.52
8.1.30.0050.00617.61
8.1.20.0000.00917.52
8.1.10.0050.00317.47
8.1.00.0080.00017.30
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0030.00318.34
8.0.270.0000.00717.28
8.0.260.0070.00016.72
8.0.250.0040.00416.95
8.0.240.0070.00416.98
8.0.230.0080.00016.80
8.0.220.0030.00316.86
8.0.210.0070.00016.74
8.0.200.0030.00316.79
8.0.190.0040.00416.93
8.0.180.0000.00816.79
8.0.170.0000.00816.73
8.0.160.0070.00016.77
8.0.150.0020.00516.79
8.0.140.0040.00416.87
8.0.130.0030.00313.27
8.0.120.0050.00316.80
8.0.110.0000.00716.64
8.0.100.0080.00016.89
8.0.90.0000.00716.71
8.0.80.0160.00616.75
8.0.70.0000.00816.83
8.0.60.0000.00716.83
8.0.50.0040.00416.88
8.0.30.0120.00817.05
8.0.20.0090.01117.40
8.0.10.0040.00417.03
8.0.00.0110.00716.68
7.4.330.0000.00515.55
7.4.320.0030.00316.49
7.4.300.0000.00616.50
7.4.290.0070.00016.55
7.4.280.0000.00716.35
7.4.270.0030.00616.48
7.4.260.0040.00416.45
7.4.250.0000.00716.39
7.4.240.0040.00416.61
7.4.230.0070.00016.27
7.4.220.0120.01216.55
7.4.210.0070.00716.67
7.4.200.0040.00416.59
7.4.160.0100.00916.42
7.4.150.0110.01117.40
7.4.140.0090.01117.86
7.4.130.0100.00716.58
7.4.120.0090.01016.62
7.4.110.0150.00616.50
7.4.100.0200.00016.70
7.4.90.0030.01616.59
7.4.80.0120.00619.39
7.4.70.0090.00916.50
7.4.60.0160.00016.68
7.4.50.0030.01416.60
7.4.40.0120.00416.61
7.4.30.0130.00516.42
7.4.10.0040.01515.04
7.4.00.0120.00614.82
7.3.330.0060.00013.20
7.3.320.0000.00613.20
7.3.310.0040.00416.28
7.3.300.0040.00416.14
7.3.290.0080.00816.29
7.3.280.0100.00716.24
7.3.270.0060.01317.40
7.3.260.0100.00816.43
7.3.250.0080.01016.37
7.3.240.0090.00816.48
7.3.230.0140.00716.29
7.3.210.0130.01016.51
7.3.200.0130.00316.47
7.3.190.0060.01616.41
7.3.180.0130.01016.47
7.3.170.0120.00416.36
7.3.160.0090.00616.24
7.3.130.0030.01314.77
7.3.120.0060.00914.61
7.3.110.0060.01014.80
7.3.100.0110.00414.84
7.3.90.0040.01214.91
7.3.80.0070.00714.86
7.3.70.0140.00014.82
7.3.60.0030.01014.68
7.3.50.0060.00314.66
7.3.40.0060.00314.68
7.3.30.0030.00714.86
7.3.20.0060.00616.64
7.3.10.0090.00016.69
7.3.00.0090.00616.47
7.2.330.0070.01316.77
7.2.320.0100.00716.74
7.2.310.0060.01116.48
7.2.300.0150.00316.46
7.2.290.0110.00716.62
7.2.260.0080.00814.93
7.2.250.0000.01814.73
7.2.240.0140.00414.62
7.2.230.0040.00814.50
7.2.220.0040.01215.04
7.2.210.0040.01115.14
7.2.200.0070.01114.99
7.2.190.0060.00914.87
7.2.180.0090.00615.18
7.2.170.0080.00815.04
7.2.160.0060.00614.92
7.2.150.0030.01316.86
7.2.140.0060.00916.50
7.2.130.0060.01216.97
7.2.120.0040.00816.78
7.2.110.0090.00616.73
7.2.100.0040.00816.62
7.2.90.0090.00815.70
7.2.80.0060.01015.99
7.2.70.0080.01116.07
7.2.60.0290.01215.92
7.2.50.0350.00615.94
7.2.40.0090.00515.75
7.2.30.0100.00615.98
7.2.20.0100.00515.83
7.2.10.0290.00615.93
7.2.00.0060.01115.89
7.1.330.0040.01115.57
7.1.320.0070.00715.50
7.1.310.0060.00315.43
7.1.300.0000.00815.35
7.1.290.0070.01015.57
7.1.280.0000.01415.55
7.1.270.0040.00715.57
7.1.260.0150.00015.75
7.1.250.0070.01015.63
7.1.240.0000.01415.38
7.1.230.0000.01115.73
7.1.220.0000.01215.56
7.1.210.0250.00914.70
7.1.200.0100.00414.64
7.1.190.0190.01014.52
7.1.180.0450.00814.66
7.1.170.0090.00714.78
7.1.160.0190.00814.60
7.1.150.0150.00714.60
7.1.140.0050.00914.55
7.1.130.0110.00414.68
7.1.120.0180.00714.68
7.1.110.0310.01114.58
7.1.100.0360.00914.59
7.1.90.0070.00614.49
7.1.80.0150.00914.60
7.1.70.0110.00414.69
7.1.60.1100.00823.63
7.1.50.0170.00823.75
7.1.40.1010.00823.60
7.1.30.0940.01123.69
7.1.20.0840.01223.57
7.1.10.0750.00514.73
7.1.00.0530.00614.59
7.0.330.0070.00315.07
7.0.320.0000.01115.20
7.0.310.0170.01014.40
7.0.300.0290.00914.03
7.0.290.0060.01214.34
7.0.280.0360.01114.16
7.0.270.0190.00614.32
7.0.260.0140.01014.46
7.0.250.0170.00514.25
7.0.240.0260.00314.41
7.0.230.0180.00514.29
7.0.220.0070.00614.24
7.0.210.1230.00114.16
7.0.200.0880.01014.35
7.0.190.0220.00914.17
7.0.180.0060.00614.31
7.0.170.1470.00814.37
7.0.160.0880.00814.37
7.0.150.0370.00314.32
7.0.140.0040.00814.35
7.0.130.0740.00614.23
7.0.120.0610.00314.43
7.0.110.0080.00514.48
7.0.100.0170.01014.23
7.0.90.0350.00814.45
7.0.80.0090.00714.29
7.0.70.0290.00414.32
7.0.60.0700.00514.28
7.0.50.0110.00314.29
7.0.40.0050.00713.41
7.0.30.0600.00613.21
7.0.20.0050.00913.52
7.0.10.0050.01113.42
7.0.00.0060.00713.34
5.6.400.0000.01913.84
5.6.390.0070.01013.98
5.6.380.0090.00314.08
5.6.370.0060.00914.08
5.6.360.0000.01113.84
5.6.350.0070.00714.16
5.6.340.0070.00714.29
5.6.330.0060.00614.03
5.6.320.0070.00713.95
5.6.310.0090.00614.04
5.6.300.0040.00414.14
5.6.290.0100.00314.13
5.6.280.0080.00414.16
5.6.270.0060.00614.06
5.6.260.0040.00414.29
5.6.250.0000.01514.39
5.6.240.0120.00014.27
5.6.230.0030.00714.10
5.6.220.0110.00014.07
5.6.210.0000.01314.10
5.6.200.0030.00713.90
5.6.190.0130.00014.08
5.6.180.0100.00414.35
5.6.170.0030.00614.34
5.6.160.0040.00414.02
5.6.150.0000.01114.35
5.6.140.0060.00614.11
5.6.130.0090.00614.27
5.6.120.0030.01314.21
5.6.110.0000.01514.21
5.6.100.0050.00514.20
5.6.90.0000.00914.16
5.6.80.0060.00913.93
5.6.70.0090.00614.02
5.6.60.0030.01014.11
5.6.50.0040.01114.08
5.6.40.0030.01313.98
5.6.30.0070.00714.10
5.6.20.0100.00314.06
5.6.10.0030.00914.00
5.6.00.0040.01113.96

preferences:
80.01 ms | 401 KiB | 5 Q