3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Dog\Bark { class test { public function __construct() { echo "Dog Bark Test"; } } } namespace Cat { use Dog\Bark; class test2 { public function __construct() { new Bark\test(); } } } namespace Fish { $x = new \Cat\test2(); }

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)
8.3.60.0100.01018.30
8.3.50.0110.00622.82
8.3.40.0100.00718.57
8.3.30.0120.00318.79
8.3.20.0040.00420.16
8.3.10.0040.00423.41
8.3.00.0030.00517.23
8.2.180.0110.01116.50
8.2.170.0110.00722.96
8.2.160.0000.01420.35
8.2.150.0050.00224.18
8.2.140.0000.00924.66
8.2.130.0080.00026.16
8.2.120.0040.00419.95
8.2.110.0030.00722.11
8.2.100.0110.00019.51
8.2.90.0050.00319.34
8.2.80.0030.00617.97
8.2.70.0030.00517.59
8.2.60.0030.00617.93
8.2.50.0080.00018.07
8.2.40.0070.00018.22
8.2.30.0050.00217.86
8.2.20.0000.00917.59
8.2.10.0040.00418.02
8.2.00.0000.00817.49
8.1.280.0070.01425.92
8.1.270.0030.00523.98
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.85
8.1.230.0110.00019.16
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0080.00317.23
8.1.190.0030.00517.00
8.1.180.0030.00518.10
8.1.170.0040.00418.46
8.1.160.0040.00421.90
8.1.150.0040.00418.78
8.1.140.0040.00417.29
8.1.130.0000.00717.73
8.1.120.0080.00017.46
8.1.110.0050.00317.36
8.1.100.0040.00417.41
8.1.90.0040.00417.35
8.1.80.0030.00317.36
8.1.70.0030.00317.30
8.1.60.0040.00417.46
8.1.50.0000.00817.47
8.1.40.0050.00217.47
8.1.30.0060.00317.46
8.1.20.0070.00017.62
8.1.10.0000.00817.52
8.1.00.0020.00517.48
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0070.00017.24
8.0.260.0000.00617.12
8.0.250.0050.00216.95
8.0.240.0000.00616.80
8.0.230.0000.00616.82
8.0.220.0030.00316.81
8.0.210.0070.00016.81
8.0.200.0000.00616.86
8.0.190.0030.00316.75
8.0.180.0110.00016.83
8.0.170.0030.00616.88
8.0.160.0030.00316.85
8.0.150.0030.00516.80
8.0.140.0030.00416.67
8.0.130.0030.00313.14
8.0.120.0000.00816.64
8.0.110.0050.00216.84
8.0.100.0000.00716.64
8.0.90.0040.00416.80
8.0.80.0080.00816.76
8.0.70.0040.00416.69
8.0.60.0070.00016.78
8.0.50.0000.00716.64
8.0.30.0090.01217.13
8.0.20.0090.00917.40
8.0.10.0050.00316.80
8.0.00.0060.01216.63
7.4.330.0050.00015.06
7.4.320.0030.00316.51
7.4.300.0030.00316.58
7.4.290.0030.00316.46
7.4.280.0000.00816.63
7.4.270.0030.00316.48
7.4.260.0070.00016.53
7.4.250.0000.00816.36
7.4.240.0030.00316.54
7.4.230.0030.00316.71
7.4.220.0110.00716.61
7.4.210.0060.00916.55
7.4.200.0000.00716.38
7.4.160.0090.00616.43
7.4.150.0120.01217.40
7.4.140.0090.00917.86
7.4.130.0090.00816.47
7.4.120.0080.01116.47
7.4.110.0100.01316.42
7.4.100.0060.01216.20
7.4.90.0100.01016.50
7.4.80.0090.00919.39
7.4.70.0100.00616.28
7.4.60.0070.01016.41
7.4.50.0030.00316.39
7.4.40.0080.00816.49
7.4.30.0100.00716.39
7.4.00.0100.00614.92
7.3.330.0030.00313.30
7.3.320.0000.00513.17
7.3.310.0070.00016.23
7.3.300.0000.00716.19
7.3.290.0120.00916.25
7.3.280.0060.00816.20
7.3.270.0120.00617.40
7.3.260.0130.00316.51
7.3.250.0060.01116.34
7.3.240.0070.01016.29
7.3.230.0040.01616.39
7.3.210.0120.01016.13
7.3.200.0060.00919.39
7.3.190.0070.01016.25
7.3.180.0060.00916.33
7.3.170.0070.01116.50
7.3.160.0080.00816.22
7.3.120.0040.01214.55
7.3.110.0080.00814.55
7.3.100.0100.00614.59
7.3.90.0040.01114.98
7.3.80.0060.00914.45
7.3.70.0120.00314.40
7.3.60.0060.01014.83
7.3.50.0000.01614.88
7.3.40.0070.01114.71
7.3.30.0070.00714.63
7.3.20.0060.00916.63
7.3.10.0030.00716.29
7.3.00.0030.01016.56
7.2.330.0030.01416.55
7.2.320.0130.00716.73
7.2.310.0090.00916.61
7.2.300.0130.00916.50
7.2.290.0070.01116.37
7.2.250.0000.01914.86
7.2.240.0070.01315.20
7.2.230.0100.00614.99
7.2.220.0100.00715.06
7.2.210.0100.00314.86
7.2.200.0040.01214.93
7.2.190.0000.01114.68
7.2.180.0040.01414.82
7.2.170.0030.00614.95
7.2.60.0050.00516.84
7.1.330.0060.00815.63
7.1.320.0080.00615.75
7.1.310.0030.00615.52
7.1.300.0040.01115.55
7.1.290.0070.00715.60
7.1.280.0030.01315.33
7.1.270.0000.01515.54
7.1.260.0060.00615.51
7.1.200.0030.00915.78
7.1.70.0090.00916.89
7.1.60.0070.01119.40
7.1.50.0070.01716.96
7.1.00.0100.06722.43
7.0.200.0030.00516.43
7.0.140.0000.07722.01
7.0.60.0030.09320.05
7.0.50.0030.08017.86
7.0.40.0100.04320.13
7.0.30.0300.08020.13
7.0.20.0130.08720.16
7.0.10.0170.07720.10
7.0.00.0200.07720.05
5.6.280.0130.06320.93
5.6.210.0070.06320.71
5.6.200.0100.07718.16
5.6.190.0200.04320.41
5.6.180.0230.08020.57
5.6.170.0230.04020.56
5.6.160.0100.07720.54
5.6.150.0030.05018.14
5.6.140.0030.04018.19
5.6.130.0070.08318.28
5.6.120.0130.07320.98
5.6.110.0030.04321.04
5.6.100.0130.07321.03
5.6.90.0170.07320.98
5.6.80.0070.08020.38
5.5.350.0230.06320.47
5.5.340.0070.03718.09
5.5.330.0100.04020.21
5.5.320.0200.07020.18
5.5.310.0170.04720.37
5.5.300.0100.08017.98
5.5.290.0070.07717.95
5.5.280.0070.04320.96
5.5.270.0100.07320.86
5.5.260.0100.06020.63
5.5.250.0100.07320.69
5.5.240.0000.08320.07
5.4.450.0700.07319.62
5.4.440.0530.06319.28
5.4.430.0730.05719.39
5.4.420.0170.05019.44
5.4.410.0570.06319.54
5.4.400.0300.05718.73
5.4.390.0270.05018.52
5.4.380.0200.04718.80
5.4.370.0030.05318.63
5.4.360.0100.03718.50
5.4.350.0060.04412.02
5.4.340.0030.03712.01
5.4.320.0030.04112.50
5.4.310.0100.03612.50
5.4.300.0080.03512.50
5.4.290.0010.04112.50
5.4.280.0070.03712.39
5.4.270.0050.03612.39
5.4.260.0070.03512.39
5.4.250.0050.03712.39
5.4.240.0040.03612.39
5.4.230.0030.04312.39
5.4.220.0030.03812.39
5.4.210.0050.03512.39
5.4.200.0070.03512.39
5.4.190.0110.03712.38
5.4.180.0080.03312.38
5.4.170.0070.03812.39
5.4.160.0070.03912.39
5.4.150.0060.04012.39
5.4.140.0070.03512.07
5.4.130.0060.03412.06
5.4.120.0080.03112.02
5.4.110.0080.03712.01
5.4.100.0080.03812.01
5.4.90.0040.03712.02
5.4.80.0080.04112.01
5.4.70.0060.03912.00
5.4.60.0050.03912.01
5.4.50.0020.03712.01
5.4.40.0020.03712.00
5.4.30.0070.03311.99
5.4.20.0060.03411.99
5.4.10.0060.03311.99
5.4.00.0040.03611.48
5.3.290.0110.03412.80
5.3.280.0050.03712.71
5.3.270.0030.04112.73
5.3.260.0040.04012.72
5.3.250.0060.03612.72
5.3.240.0050.03812.72
5.3.230.0070.03712.71
5.3.220.0060.03512.68
5.3.210.0090.04512.68
5.3.200.0060.04012.68
5.3.190.0040.03812.68
5.3.180.0060.03512.67
5.3.170.0040.03812.67
5.3.160.0060.03612.68
5.3.150.0100.03512.68
5.3.140.0070.03712.66
5.3.130.0050.03912.65
5.3.120.0100.03312.66
5.3.110.0050.03812.65
5.3.100.0030.03812.13
5.3.90.0080.03312.12
5.3.80.0060.03412.11
5.3.70.0020.03812.11
5.3.60.0050.03912.09
5.3.50.0080.03112.04
5.3.40.0030.03712.04
5.3.30.0060.03812.00
5.3.20.0070.03311.77
5.3.10.0100.02911.74
5.3.00.0070.03311.73
5.2.170.0040.0369.18
5.2.160.0040.0309.18
5.2.150.0030.0319.18
5.2.140.0070.0279.18
5.2.130.0040.0289.14
5.2.120.0040.0289.14
5.2.110.0020.0319.15
5.2.100.0060.0269.14
5.2.90.0050.0289.14
5.2.80.0070.0279.14
5.2.70.0020.0319.14
5.2.60.0070.0309.09
5.2.50.0030.0329.06
5.2.40.0060.0329.03
5.2.30.0090.0349.01
5.2.20.0040.0289.00
5.2.10.0030.0288.93
5.2.00.0090.0308.79
5.1.60.0060.0328.06
5.1.50.0050.0238.06
5.1.40.0020.0268.05
5.1.30.0050.0318.40
5.1.20.0030.0278.42
5.1.10.0040.0258.14
5.1.00.0030.0268.14
5.0.50.0050.0206.63
5.0.40.0040.0196.48
5.0.30.0040.0306.29
5.0.20.0050.0196.27
5.0.10.0040.0196.24
5.0.00.0040.0356.23
4.4.90.0050.0134.78
4.4.80.0030.0204.75
4.4.70.0020.0154.76
4.4.60.0030.0164.76
4.4.50.0060.0164.77
4.4.40.0000.0374.71
4.4.30.0020.0224.76
4.4.20.0020.0204.85
4.4.10.0040.0184.85
4.4.00.0030.0244.76
4.3.110.0030.0144.66
4.3.100.0040.0204.66
4.3.90.0050.0204.64
4.3.80.0010.0264.58
4.3.70.0010.0154.63
4.3.60.0070.0214.62
4.3.50.0030.0224.63
4.3.40.0030.0234.54
4.3.30.0020.0183.28
4.3.20.0020.0153.26
4.3.10.0010.0163.22
4.3.00.0130.0207.11

preferences:
34.91 ms | 401 KiB | 5 Q