3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new DOMDocument(); $dom->loadXml('<foo xmlns="urn:foo"/>'); var_dump($dom->documentElement->lookupNamespaceURI(NULL));

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)
8.3.60.0170.00318.56
8.3.50.0120.00722.90
8.3.40.0070.00718.67
8.3.30.0150.00419.24
8.3.20.0070.00020.46
8.3.10.0000.00821.94
8.3.00.0070.00317.50
8.2.180.0040.01416.88
8.2.170.0150.00022.96
8.2.160.0100.00320.69
8.2.150.0040.00424.18
8.2.140.0150.00324.66
8.2.130.0040.01426.16
8.2.120.0080.00021.30
8.2.110.0030.00622.14
8.2.100.0080.00317.66
8.2.90.0040.00519.30
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0030.00618.16
8.2.50.0050.00518.07
8.2.40.0060.00318.28
8.2.30.0050.00318.10
8.2.20.0060.00317.93
8.2.10.0070.00018.20
8.2.00.0000.00717.76
8.1.280.0060.00925.92
8.1.270.0050.00324.04
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00324.06
8.1.230.0040.00719.27
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0000.01217.48
8.1.190.0080.00017.35
8.1.180.0000.00818.10
8.1.170.0000.00818.74
8.1.160.0080.00022.17
8.1.150.0040.00419.08
8.1.140.0040.00417.50
8.1.130.0000.00718.04
8.1.120.0040.00417.53
8.1.110.0040.00417.54
8.1.100.0000.00717.61
8.1.90.0000.00717.53
8.1.80.0070.00017.66
8.1.70.0070.00017.59
8.1.60.0080.00017.64
8.1.50.0030.00517.59
8.1.40.0090.00017.70
8.1.30.0060.00317.79
8.1.20.0040.00417.69
8.1.10.0000.00917.60
8.1.00.0030.00617.71
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0000.00718.51
8.0.270.0030.00317.38
8.0.260.0080.00017.34
8.0.250.0050.00217.09
8.0.240.0040.00416.91
8.0.230.0030.00617.16
8.0.220.0000.00716.93
8.0.210.0000.00716.88
8.0.200.0040.00417.09
8.0.190.0040.00417.10
8.0.180.0040.00417.09
8.0.170.0040.00416.91
8.0.160.0040.00816.88
8.0.150.0030.00317.00
8.0.140.0000.00717.04
8.0.130.0000.00513.40
8.0.120.0040.00417.00
8.0.110.0000.00816.86
8.0.100.0050.00316.95
8.0.90.0000.00716.87
8.0.80.0100.01017.00
8.0.70.0000.00717.06
8.0.60.0000.00816.88
8.0.50.0000.00817.06
8.0.30.0100.01117.21
8.0.20.0170.00717.40
8.0.10.0040.00416.95
8.0.00.0120.01116.98
7.4.330.0050.00015.21
7.4.320.0000.00616.54
7.4.300.0030.00316.63
7.4.290.0030.00316.65
7.4.280.0050.00316.72
7.4.270.0070.00016.76
7.4.260.0000.00716.47
7.4.250.0080.00016.66
7.4.240.0000.00716.62
7.4.230.0030.00316.83
7.4.220.0030.01516.83
7.4.210.0090.00616.71
7.4.200.0040.00416.66
7.4.160.0190.00416.40
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0060.01116.69
7.4.120.0110.00616.56
7.4.110.0160.00316.61
7.4.100.0030.01316.63
7.4.90.0110.00616.54
7.4.80.0160.00619.39
7.4.70.0100.01316.62
7.4.60.0060.01316.57
7.4.50.0040.00016.75
7.4.40.0110.01116.53
7.4.30.0030.01316.29
7.4.00.0100.00814.82
7.3.330.0030.00313.26
7.3.320.0000.00612.99
7.3.310.0040.00416.18
7.3.300.0000.00716.29
7.3.290.0070.00716.29
7.3.280.0130.00616.36
7.3.270.0000.01717.40
7.3.260.0110.00616.36
7.3.250.0090.01416.46
7.3.240.0070.01116.45
7.3.230.0110.00616.46
7.3.210.0130.01016.34
7.3.200.0130.01319.39
7.3.190.0150.00616.36
7.3.180.0100.00716.38
7.3.170.0060.01016.55
7.3.160.0120.00316.40
7.3.120.0020.01314.86
7.3.110.0040.01314.98
7.3.100.0090.00514.88
7.3.90.0090.00414.72
7.3.80.0020.01214.75
7.3.70.0060.00614.84
7.3.60.0110.00314.81
7.3.50.0050.00714.70
7.3.40.0060.00614.85
7.3.30.0080.00714.78
7.3.20.0030.01016.63
7.3.10.0090.00516.77
7.3.00.0090.00416.66
7.2.330.0140.00416.65
7.2.320.0140.00416.56
7.2.310.0030.01716.52
7.2.300.0160.00316.63
7.2.290.0060.01116.83
7.2.250.0030.01614.74
7.2.240.0070.01014.94
7.2.230.0080.00815.21
7.2.220.0040.01215.14
7.2.210.0100.00714.84
7.2.200.0070.00714.95
7.2.190.0020.01314.77
7.2.180.0030.01114.86
7.2.170.0080.00815.03
7.2.160.0070.00714.92
7.2.150.0130.00616.95
7.2.140.0110.00716.90
7.2.130.0070.00717.03
7.2.120.0030.01317.10
7.2.110.0060.00917.03
7.2.100.0070.01016.89
7.2.90.0030.01016.63
7.2.80.0030.00916.81
7.2.70.0060.00917.21
7.2.60.0060.01016.74
7.2.50.0030.01517.12
7.2.40.0110.00316.67
7.2.30.0040.01116.75
7.2.20.0000.01416.81
7.2.10.0070.00716.93
7.2.00.0040.00918.21
7.1.330.0030.01115.73
7.1.320.0050.00715.84
7.1.310.0080.00515.80
7.1.300.0040.00915.83
7.1.290.0040.00915.69
7.1.280.0030.01016.03
7.1.270.0050.01015.67
7.1.260.0050.00715.72
7.1.250.0090.00315.56
7.1.100.0000.01117.79
7.1.70.0030.01317.22
7.1.60.0030.02219.40
7.1.50.0090.01516.94
7.1.00.0030.07722.41
7.0.200.0000.00816.95
7.0.140.0000.07322.12
7.0.60.0070.08720.09
7.0.50.0070.06017.91
7.0.40.0100.07320.09
7.0.30.0230.06720.25
7.0.20.0330.07020.27
7.0.10.0070.08020.28
7.0.00.0030.05020.22
5.6.210.0170.06320.66
5.6.200.0070.06318.29
5.6.190.0070.09020.50
5.6.180.0200.05720.42
5.6.170.0200.04020.66
5.6.160.0100.08020.47
5.6.150.0030.05318.34
5.6.140.0030.04018.28
5.6.130.0170.07318.21
5.6.120.0030.06021.03
5.6.110.0170.07721.14
5.6.100.0100.07321.05
5.6.90.0200.06720.97
5.6.80.0100.05720.58
5.5.350.0230.08020.49
5.5.340.0000.07318.01
5.5.330.0070.07720.45
5.5.320.0230.07320.30
5.5.310.0170.04320.26
5.5.300.0130.07718.09
5.5.290.0030.08018.09
5.5.280.0100.07720.93
5.5.270.0100.07020.91
5.5.260.0030.05320.80
5.5.250.0030.04020.61
5.5.240.0070.07020.39
5.4.450.0730.05319.66
5.4.440.0700.04719.50
5.4.430.0670.05719.64
5.4.420.0630.05019.64
5.4.410.0500.06719.45
5.4.400.0430.04018.67
5.4.390.0370.06318.75
5.4.380.0230.04718.70
5.4.370.0170.04318.60
5.4.360.0270.03018.86
5.4.350.0040.04212.12
5.4.340.0080.03512.11
5.4.320.0060.04212.60
5.4.310.0040.04112.60
5.4.300.0060.03612.60
5.4.290.0090.03612.60
5.4.280.0070.03512.49
5.4.270.0030.03912.50
5.4.260.0050.03712.49
5.4.250.0060.04612.49
5.4.240.0060.03512.49
5.4.230.0060.03712.49
5.4.220.0070.03712.48
5.4.210.0050.03612.49
5.4.200.0090.03412.48
5.4.190.0020.03912.48
5.4.180.0070.04012.48
5.4.170.0030.03912.49
5.4.160.0090.03712.49
5.4.150.0060.03512.48
5.4.140.0080.03412.17
5.4.130.0070.03312.16
5.4.120.0040.03712.12
5.4.110.0050.03712.11
5.4.100.0060.04012.11
5.4.90.0070.03512.11
5.4.80.0060.03612.11
5.4.70.0060.03412.11
5.4.60.0080.03212.11
5.4.50.0060.03412.11
5.4.40.0070.03412.10
5.4.30.0040.03612.10
5.4.20.0060.03512.09
5.4.10.0060.03412.10
5.4.00.0060.03511.59
5.3.290.0090.03712.86
5.3.280.0070.03512.79
5.3.270.0060.03812.80
5.3.260.0090.03512.80
5.3.250.0050.03812.80
5.3.240.0080.03412.80
5.3.230.0060.03812.80
5.3.220.0070.04712.77
5.3.210.0070.03712.77
5.3.200.0050.03712.77
5.3.190.0050.03812.77
5.3.180.0050.03712.76
5.3.170.0040.03812.77
5.3.160.0070.03512.76
5.3.150.0100.03912.77
5.3.140.0090.03812.75
5.3.130.0030.04112.75
5.3.120.0060.03912.75
5.3.110.0060.03812.75
5.3.100.0070.03612.23
5.3.90.0090.03412.21
5.3.80.0040.03812.20
5.3.70.0070.03912.20
5.3.60.0070.03412.20
5.3.50.0040.03712.13
5.3.40.0080.03412.14
5.3.30.0090.03112.10
5.3.20.0070.03511.88
5.3.10.0080.03211.84
5.3.00.0070.03511.83
5.2.170.0040.0309.33
5.2.160.0070.0389.33
5.2.150.0050.0309.33
5.2.140.0050.0309.32
5.2.130.0050.0289.29
5.2.120.0040.0299.29
5.2.110.0070.0279.29
5.2.100.0060.0269.29
5.2.90.0040.0299.29
5.2.80.0070.0279.29
5.2.70.0070.0319.29
5.2.60.0080.0279.24
5.2.50.0050.0309.21
5.2.40.0060.0309.19
5.2.30.0060.0339.16
5.2.20.0040.0319.15
5.2.10.0040.0319.07
5.2.00.0040.0298.93
5.1.60.0030.0278.21
5.1.50.0040.0288.21
5.1.40.0060.0278.19
5.1.30.0030.0288.54
5.1.20.0040.0278.56
5.1.10.0050.0268.29
5.1.00.0050.0318.28
5.0.50.0050.0216.76
5.0.40.0040.0196.62
5.0.30.0020.0336.44
5.0.20.0040.0206.41
5.0.10.0050.0226.38
5.0.00.0050.0316.38
4.4.90.0020.0174.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0020.0164.77
4.4.40.0040.0264.70
4.4.30.0030.0154.76
4.4.20.0030.0164.85
4.4.10.0030.0154.85
4.4.00.0030.0254.75
4.3.110.0040.0164.67
4.3.100.0030.0164.67
4.3.90.0050.0134.63
4.3.80.0050.0304.58
4.3.70.0030.0204.63
4.3.60.0050.0134.63
4.3.50.0030.0164.63
4.3.40.0020.0264.54
4.3.30.0020.0163.28
4.3.20.0000.0183.25
4.3.10.0020.0163.22
4.3.00.0070.0237.11

preferences:
50.1 ms | 400 KiB | 5 Q