3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar; class Bar {} var_dump(new Bar); namespace Foo\Baz; use Foo\Bar\Bar; class Baz { public function __construct(){ $str1 = '\Foo\Bar\Bar'; $str2 = 'Bar'; var_dump(new Bar); var_dump(new $str1); var_dump(new $str2); } } $baz = new Baz;

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)
8.3.70.0120.00916.50
8.3.60.0060.01616.50
8.3.50.0120.00822.11
8.3.40.0110.00718.57
8.3.30.0110.00418.88
8.3.20.0070.00020.20
8.3.10.0050.00323.61
8.3.00.0050.00319.50
8.2.180.0070.01416.50
8.2.170.0170.00022.96
8.2.160.0120.00318.97
8.2.150.0040.00425.66
8.2.140.0090.00024.66
8.2.130.0040.00417.38
8.2.120.0030.00626.35
8.2.110.0060.00319.39
8.2.100.0120.00317.66
8.2.90.0040.00419.07
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00717.80
8.2.50.0080.00018.07
8.2.40.0040.00419.21
8.2.30.0080.00020.67
8.2.20.0030.00617.74
8.2.10.0040.00417.93
8.2.00.0040.00418.05
8.1.280.0070.00725.92
8.1.270.0090.00023.83
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0030.00619.00
8.1.230.0090.00319.01
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.23
8.1.180.0030.00618.10
8.1.170.0080.00018.73
8.1.160.0000.00821.95
8.1.150.0000.00718.88
8.1.140.0000.00819.46
8.1.130.0000.00717.64
8.1.120.0000.00717.41
8.1.110.0040.00417.37
8.1.100.0070.00017.45
8.1.90.0000.00717.36
8.1.80.0020.00517.39
8.1.70.0030.00317.34
8.1.60.0000.00717.59
8.1.50.0060.00317.57
8.1.40.0040.00417.50
8.1.30.0040.00417.72
8.1.20.0040.00417.64
8.1.10.0050.00317.43
8.1.00.0070.00317.48
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0080.00018.30
8.0.270.0070.00017.18
8.0.260.0030.00317.19
8.0.250.0000.00716.99
8.0.240.0030.00316.83
8.0.230.0040.00417.02
8.0.220.0040.00416.90
8.0.210.0040.00416.77
8.0.200.0000.00816.99
8.0.190.0020.00516.88
8.0.180.0000.00816.84
8.0.170.0000.00916.89
8.0.160.0030.00316.79
8.0.150.0030.00516.87
8.0.140.0070.00016.88
8.0.130.0000.00813.28
8.0.120.0050.00316.86
8.0.110.0000.00816.79
8.0.100.0000.00716.92
8.0.90.0040.00416.76
8.0.80.0110.01116.92
8.0.70.0000.00816.93
8.0.60.0000.00816.84
8.0.50.0050.00316.76
8.0.30.0050.01217.06
8.0.20.0100.00817.40
8.0.10.0040.00416.88
8.0.00.0060.01216.75
7.4.330.0050.00016.73
7.4.320.0000.00616.34
7.4.300.0000.00616.35
7.4.290.0000.00716.52
7.4.280.0040.00416.60
7.4.270.0000.00716.44
7.4.260.0040.00416.45
7.4.250.0000.00716.45
7.4.240.0050.00216.58
7.4.230.0030.00316.50
7.4.220.0060.01416.65
7.4.210.0130.00616.54
7.4.200.0000.00916.66
7.4.150.0090.00917.40
7.4.140.0100.01117.86
7.4.130.0080.01016.63
7.4.120.0050.01216.43
7.4.110.0120.00616.48
7.4.100.0070.01016.40
7.4.90.0070.01016.64
7.4.80.0150.00619.39
7.4.70.0030.01316.64
7.4.60.0100.00716.72
7.4.50.0060.01016.15
7.4.40.0150.00316.47
7.4.30.0060.01216.35
7.4.00.0060.00915.00
7.3.330.0030.00313.39
7.3.320.0070.00013.44
7.3.310.0070.00016.53
7.3.300.0030.00316.47
7.3.290.0000.00716.34
7.3.280.0050.01116.41
7.3.270.0140.00417.40
7.3.260.0080.00816.50
7.3.250.0140.00516.57
7.3.240.0120.00816.45
7.3.230.0100.01316.39
7.3.210.0080.00816.46
7.3.200.0100.00716.32
7.3.190.0160.00616.42
7.3.180.0230.02216.42
7.3.170.0070.01016.50
7.3.160.0040.01116.34
7.2.330.0030.01316.68
7.2.320.0100.01316.38
7.2.310.0140.00716.55
7.2.300.0110.00616.34
7.2.290.0060.01216.47
7.2.60.0070.00716.82
7.2.00.0000.01419.31
7.1.200.0040.00815.68
7.1.100.0110.00018.24
7.1.70.0040.00417.04
7.1.60.0030.02019.12
7.1.50.0060.01016.99
7.1.00.0030.07722.33
7.0.200.0000.00916.30
7.0.60.0100.07319.89
7.0.50.0030.04317.88
7.0.40.0030.05320.40
7.0.30.0130.04720.07
7.0.20.0170.04020.16
7.0.10.0130.07720.18
7.0.00.0070.05320.15
5.6.280.0000.06321.13
5.6.210.0100.08320.62
5.6.200.0070.08018.25
5.6.190.0070.04320.43
5.6.180.0300.04020.77
5.6.170.0300.06020.41
5.6.160.0070.08320.43
5.6.150.0030.03718.15
5.6.140.0100.07718.23
5.6.130.0030.08318.28
5.6.120.0100.06721.02
5.6.110.0100.06321.05
5.6.100.0030.06720.93
5.6.90.0070.08321.10
5.6.80.0070.08320.41
5.5.350.4000.04020.39
5.5.340.0100.07717.98
5.5.330.0200.07320.29
5.5.320.0070.08020.34
5.5.310.0330.04720.23
5.5.300.0100.07718.03
5.5.290.0030.04018.08
5.5.280.0030.09320.80
5.5.270.0170.08020.73
5.5.260.0030.08720.84
5.5.250.0100.07320.50
5.5.240.0230.07020.32

preferences:
59.85 ms | 401 KiB | 5 Q