3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = simplexml_load_string('<a foo="bar" />'); $foo = $x['foo']; $foo[0] = null; echo $x->asXML();

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)
8.3.60.0040.01116.75
8.3.50.0070.00922.96
8.3.40.0110.00419.19
8.3.30.0070.00719.43
8.3.20.0040.00420.53
8.3.10.0000.00823.66
8.3.00.0070.00417.63
8.2.180.0040.01116.73
8.2.170.0140.00722.96
8.2.160.0070.00720.46
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00421.23
8.2.110.0000.00822.41
8.2.100.0080.00318.16
8.2.90.0060.00319.23
8.2.80.0040.00417.97
8.2.70.0030.00617.88
8.2.60.0090.00018.18
8.2.50.0060.00318.07
8.2.40.0000.00718.28
8.2.30.0000.00818.22
8.2.20.0040.00418.06
8.2.10.0070.00018.21
8.2.00.0050.00217.91
8.1.280.0100.00725.92
8.1.270.0120.00324.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.87
8.1.230.0090.00319.27
8.1.220.0000.00818.01
8.1.210.0040.00418.77
8.1.200.0030.00917.35
8.1.190.0050.00317.47
8.1.180.0060.00318.10
8.1.170.0040.00418.71
8.1.160.0040.00422.14
8.1.150.0030.00718.90
8.1.140.0070.00017.48
8.1.130.0030.00317.96
8.1.120.0000.00817.53
8.1.110.0030.00517.64
8.1.100.0040.00417.49
8.1.90.0000.00717.52
8.1.80.0030.00517.50
8.1.70.0030.00317.46
8.1.60.0000.01217.74
8.1.50.0080.00017.68
8.1.40.0040.00417.75
8.1.30.0000.00917.88
8.1.20.0040.00417.83
8.1.10.0040.00417.70
8.1.00.0060.00317.67
8.0.300.0050.00218.77
8.0.290.0040.00416.88
8.0.280.0050.00218.62
8.0.270.0040.00417.35
8.0.260.0000.00617.27
8.0.250.0000.00717.06
8.0.240.0000.00717.11
8.0.230.0000.00817.02
8.0.220.0030.00316.96
8.0.210.0040.00416.97
8.0.200.0050.00217.18
8.0.190.0040.00417.02
8.0.180.0070.00017.14
8.0.170.0000.00917.01
8.0.160.0080.00017.20
8.0.150.0000.00817.15
8.0.140.0080.00317.03
8.0.130.0030.00313.49
8.0.120.0040.00416.95
8.0.110.0050.00217.11
8.0.100.0000.00817.14
8.0.90.0000.00716.96
8.0.80.0080.00817.01
8.0.70.0040.00416.93
8.0.60.0040.00417.18
8.0.50.0030.00617.05
8.0.30.0080.01117.32
8.0.20.0120.00717.45
8.0.10.0000.00717.11
8.0.00.0080.01317.14
7.4.330.0050.00015.23
7.4.320.0030.00316.72
7.4.300.0060.00016.84
7.4.290.0080.00016.63
7.4.280.0050.00616.81
7.4.270.0030.00516.71
7.4.260.0000.00816.77
7.4.250.0040.00416.75
7.4.240.0040.00416.76
7.4.230.0030.00316.77
7.4.220.0140.00516.68
7.4.210.0100.01116.88
7.4.200.0000.00716.87
7.4.160.0160.00016.56
7.4.150.0060.01117.40
7.4.140.0050.01317.86
7.4.130.0120.00716.65
7.4.120.0060.01116.59
7.4.110.0070.01016.68
7.4.100.0130.01016.79
7.4.90.0110.00516.77
7.4.80.0000.02219.39
7.4.70.0040.01716.72
7.4.60.0120.00616.73
7.4.50.0000.00716.64
7.4.40.0160.00016.66
7.4.30.0110.00816.73
7.4.00.0060.00914.83
7.3.330.0030.00313.36
7.3.320.0030.00313.42
7.3.310.0070.00016.59
7.3.300.0020.00516.54
7.3.290.0060.01316.60
7.3.280.0090.00816.51
7.3.270.0100.00717.40
7.3.260.0130.01016.51
7.3.250.0100.00816.48
7.3.240.0060.01016.66
7.3.230.0140.00316.44
7.3.210.0150.00316.43
7.3.200.0060.01319.39
7.3.190.0070.01516.70
7.3.180.0060.00916.39
7.3.170.0140.00316.63
7.3.160.0000.01616.52
7.2.330.0090.00916.84
7.2.320.0100.01316.59
7.2.310.0030.01316.71
7.2.300.0030.01316.64
7.2.290.0120.01116.61
7.2.80.0030.01316.68
7.2.60.0030.01017.13
7.2.00.0160.00719.50
7.1.200.0030.01015.79
7.1.100.0030.01118.04
7.1.70.0040.00417.23
7.1.60.0160.00919.40
7.1.50.0120.00616.82
7.1.00.0070.07322.53
7.0.200.0000.00816.70
7.0.140.0030.07322.20
7.0.60.0030.08320.13
7.0.50.0070.06317.89
7.0.40.0100.08020.08
7.0.30.0300.08020.32
7.0.20.0230.03720.23
7.0.10.0100.05320.26
7.0.00.0100.06720.25
5.6.280.0070.07021.02
5.6.210.0000.04320.57
5.6.200.0030.07018.31
5.6.190.0030.06720.47
5.6.180.0230.04720.84
5.6.170.0200.03720.71
5.6.160.0000.04720.52
5.6.150.0170.07018.36
5.6.140.0170.07318.22
5.6.130.0030.08318.28
5.6.120.0070.04321.18
5.6.110.0070.04021.18
5.6.100.0000.05721.11
5.6.90.0030.04721.01
5.6.80.0100.09320.59
5.5.350.3900.03020.63
5.5.340.0130.07018.05
5.5.330.0100.06020.31
5.5.320.0370.06720.32
5.5.310.0200.04020.30
5.5.300.0000.04018.14
5.5.290.0070.06718.08
5.5.280.0030.08720.83
5.5.270.0070.07721.07
5.5.260.0130.05720.71
5.5.250.0030.06020.72
5.5.240.0000.08020.16
5.4.450.0130.04319.59
5.4.440.0300.03319.32
5.4.430.0100.03319.31
5.4.420.0470.03719.48
5.4.410.0470.03019.26
5.4.400.0170.04019.30
5.4.390.0200.04019.31
5.4.380.1130.06318.59
5.4.370.0670.06318.69
5.4.360.0930.05318.56
5.4.350.1070.05018.75
5.4.340.1130.06018.75
5.4.320.0050.03612.59
5.4.310.0070.04012.59
5.4.300.0080.03512.59
5.4.290.0100.03412.58
5.4.280.0030.03812.48
5.4.270.0040.03712.48
5.4.260.0090.03312.48
5.4.250.0060.03612.48
5.4.240.0060.03412.48
5.4.230.0060.03612.48
5.4.220.0040.03712.47
5.4.210.0060.03512.48
5.4.200.0090.03412.47
5.4.190.0050.03712.47
5.4.180.0070.03712.47
5.4.170.0070.03912.48
5.4.160.0070.03412.48
5.4.150.0060.03512.47
5.4.140.0030.04312.16
5.4.130.0080.03712.15
5.4.120.0070.04312.10
5.4.110.0050.03712.11
5.4.100.0050.03512.10
5.4.90.0060.03612.10
5.4.80.0020.03912.10
5.4.70.0040.03612.09
5.4.60.0040.03512.09
5.4.50.0040.03612.09
5.4.40.0040.03512.09
5.4.30.0040.03612.09
5.4.20.0040.03512.09
5.4.10.0070.03212.09
5.4.00.0050.03511.57
5.3.290.0040.04012.85
5.3.280.0070.04112.79
5.3.270.0080.03612.80
5.3.260.0090.03512.79
5.3.250.0070.03512.79
5.3.240.0060.03712.80
5.3.230.0070.03512.79
5.3.220.0060.03612.75
5.3.210.0070.03612.76
5.3.200.0110.03312.75
5.3.190.0080.03712.75
5.3.180.0060.03812.75
5.3.170.0080.03312.75
5.3.160.0060.03612.75
5.3.150.0060.03612.75
5.3.140.0050.04212.75
5.3.130.0050.03912.73
5.3.120.0060.04412.73
5.3.110.0050.03912.73
5.3.100.0050.03712.23
5.3.90.0080.03212.21
5.3.80.0040.03612.20
5.3.70.0080.03312.20
5.3.60.0060.03612.18
5.3.50.0060.03612.13
5.3.40.0070.03412.13
5.3.30.0100.03112.09
5.3.20.0060.03611.87
5.3.10.0080.03211.83
5.3.00.0050.03611.82
5.2.170.0040.0309.32
5.2.160.0040.0289.32
5.2.150.0040.0309.32
5.2.140.0050.0299.32
5.2.130.0080.0299.28
5.2.120.0040.0289.28
5.2.110.0050.0289.29
5.2.100.0070.0339.29
5.2.90.0060.0279.28
5.2.80.0050.0299.28
5.2.70.0020.0329.28
5.2.60.0030.0309.23
5.2.50.0050.0369.20
5.2.40.0050.0309.18
5.2.30.0050.0299.20
5.2.20.0090.0309.19
5.2.10.0030.0289.10
5.2.00.0100.0298.96
5.1.60.0040.0248.24
5.1.50.0030.0298.24
5.1.40.0030.0288.22
5.1.30.0060.0308.57
5.1.20.0070.0318.59
5.1.10.0020.0288.31
5.1.00.0050.0288.32
5.0.50.0040.0206.79
5.0.40.0020.0206.66
5.0.30.0060.0286.47
5.0.20.0030.0196.44
5.0.10.0010.0226.42
5.0.00.0040.0306.41
4.4.90.0020.0154.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0050.0134.75
4.4.50.0030.0154.77
4.4.40.0020.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0020.0174.85
4.4.00.0010.0314.76
4.3.110.0060.0124.67
4.3.100.0010.0184.67
4.3.90.0030.0154.64
4.3.80.0030.0244.58
4.3.70.0030.0134.63
4.3.60.0060.0124.62
4.3.50.0010.0184.62
4.3.40.0050.0264.54
4.3.30.0010.0173.28
4.3.20.0020.0163.25
4.3.10.0020.0153.21
4.3.00.0170.01715.97

preferences:
51.61 ms | 401 KiB | 5 Q