3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = '<key><subKey>value</subKey></key>'; $xml = simplexml_load_string($input); print_r(var_dump(is_null($xml->nonKey)));

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)
8.3.70.0110.01118.20
8.3.60.0070.00716.75
8.3.50.0100.00822.95
8.3.40.0110.00418.88
8.3.30.0070.01019.23
8.3.20.0040.00420.64
8.3.10.0040.00420.66
8.3.00.0040.00419.30
8.2.180.0110.00718.79
8.2.170.0120.00922.96
8.2.160.0130.00020.60
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.26
8.2.110.0040.00422.48
8.2.100.0040.00817.91
8.2.90.0040.00419.34
8.2.80.0060.00319.37
8.2.70.0000.00817.62
8.2.60.0000.00718.18
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00719.60
8.2.20.0000.00717.66
8.2.10.0070.00018.19
8.2.00.0000.00717.79
8.1.280.0120.00625.92
8.1.270.0060.00324.21
8.1.260.0000.00726.35
8.1.250.0030.00628.09
8.1.240.0090.00022.58
8.1.230.0000.01121.03
8.1.220.0000.00818.77
8.1.210.0040.00419.15
8.1.200.0040.00417.22
8.1.190.0060.00317.65
8.1.180.0050.00318.10
8.1.170.0080.00018.67
8.1.160.0000.00718.91
8.1.150.0040.00419.03
8.1.140.0040.00417.48
8.1.130.0070.00017.97
8.1.120.0000.00717.61
8.1.110.0000.00717.64
8.1.100.0000.00717.54
8.1.90.0000.00817.48
8.1.80.0040.00417.45
8.1.70.0050.00317.50
8.1.60.0030.00617.63
8.1.50.0000.00817.68
8.1.40.0040.00417.53
8.1.30.0030.00517.81
8.1.20.0040.00417.75
8.1.10.0040.00417.67
8.1.00.0000.00717.44
8.0.300.0000.00719.98
8.0.290.0000.00717.29
8.0.280.0000.00718.61
8.0.270.0070.00017.41
8.0.260.0030.00517.45
8.0.250.0030.00317.00
8.0.240.0060.00317.06
8.0.230.0060.00317.03
8.0.220.0070.00016.97
8.0.210.0040.00317.07
8.0.200.0030.00317.16
8.0.190.0050.00316.93
8.0.180.0040.00416.95
8.0.170.0040.00417.05
8.0.160.0070.00017.12
8.0.150.0040.00316.87
8.0.140.0000.00816.96
8.0.130.0030.00313.39
8.0.120.0030.00617.02
8.0.110.0040.00416.94
8.0.100.0000.00717.04
8.0.90.0050.00216.77
8.0.80.0140.00716.93
8.0.70.0000.00816.80
8.0.60.0080.00016.88
8.0.50.0040.00417.06
8.0.30.0070.01216.99
8.0.20.0110.01217.40
8.0.10.0040.00417.13
8.0.00.0070.01116.84
7.4.330.0000.00515.29
7.4.320.0060.00016.64
7.4.300.0060.00016.59
7.4.290.0000.00716.60
7.4.280.0040.00416.74
7.4.270.0030.00316.64
7.4.260.0040.00416.61
7.4.250.0000.00716.60
7.4.240.0040.00316.60
7.4.230.0000.00716.64
7.4.220.0110.00416.55
7.4.210.0070.01416.64
7.4.200.0000.00716.81
7.4.160.0130.00316.71
7.4.150.0110.00717.40
7.4.140.0120.00617.86
7.4.130.0100.01016.59
7.4.120.0080.01016.61
7.4.110.0110.00716.45
7.4.100.0120.00416.71
7.4.90.0040.01216.61
7.4.80.0090.00916.80
7.4.70.0060.01116.38
7.4.60.0100.00716.43
7.4.50.0000.01016.80
7.4.40.0090.01316.70
7.4.30.0100.01016.44
7.4.00.0060.01015.05
7.3.330.0000.00513.16
7.3.320.0050.00013.16
7.3.310.0030.00316.34
7.3.300.0000.00716.31
7.3.290.0040.01016.35
7.3.280.0070.01116.32
7.3.270.0130.00917.40
7.3.260.0080.00816.58
7.3.250.0090.01216.28
7.3.240.0080.01416.34
7.3.230.0080.01116.39
7.3.210.0110.00916.47
7.3.200.0220.00019.39
7.3.190.0130.01016.21
7.3.180.0030.01216.64
7.3.170.0130.00316.44
7.3.160.0190.00316.38
7.3.10.0090.00616.35
7.3.00.0050.01016.53
7.2.330.0090.00816.89
7.2.320.0030.01316.67
7.2.310.0100.00616.82
7.2.300.0120.00616.46
7.2.290.0130.00616.90
7.2.130.0110.01016.80
7.2.120.0140.00916.79
7.2.110.0150.00516.56
7.2.100.0100.00816.42
7.2.90.0100.00717.04
7.2.80.0150.00916.90
7.2.70.0100.00316.74
7.2.60.0090.00716.58
7.2.50.0070.01116.55
7.2.40.0090.01116.73
7.2.30.0200.00916.82
7.2.20.0090.00816.64
7.2.10.0060.00716.66
7.2.00.0070.01017.71
7.1.250.0080.00715.71
7.1.100.0000.01117.93
7.1.70.0060.00917.10
7.1.60.0190.00619.34
7.1.50.0040.01817.10
7.1.00.0070.07022.52
7.0.200.0000.00916.58
7.0.140.0030.03322.15
7.0.60.0070.04720.07
7.0.50.0030.08317.95
7.0.40.0030.04720.16
7.0.30.0430.03720.15
7.0.20.0230.08720.29
7.0.10.0130.08020.13
7.0.00.0030.05320.24
5.6.280.0030.07321.03
5.6.210.0070.07720.81
5.6.200.0030.07318.26
5.6.190.0030.04720.80
5.6.180.0100.04720.77
5.6.170.0400.06020.51
5.6.160.0130.08320.78
5.6.150.0100.06718.21
5.6.140.0070.04018.29
5.6.130.0100.08318.22
5.6.120.0070.08021.22
5.6.110.0100.03321.11
5.6.100.0030.06321.08
5.6.90.0130.06021.00
5.6.80.0100.06020.61
5.5.350.0030.06020.40
5.5.340.0030.06018.07
5.5.330.0100.04320.30
5.5.320.0200.05720.49
5.5.310.0430.04020.58
5.5.300.0130.07318.14
5.5.290.0030.05018.00
5.5.280.0000.06020.88
5.5.270.0130.08021.04
5.5.260.0030.08320.85
5.5.250.0000.08720.79
5.5.240.0300.07320.44
5.4.450.0400.04019.55
5.4.440.0070.04319.25
5.4.430.0530.04719.48
5.4.420.0030.06019.44
5.4.410.0170.04719.64
5.4.400.0030.06019.10
5.4.390.0200.06019.15
5.4.380.0070.05719.15
5.4.370.0230.04319.23
5.4.360.0130.05019.30
5.4.350.0090.03812.10
5.4.340.0070.03812.10
5.4.320.0070.04312.59
5.4.310.0090.04012.59
5.4.300.0040.04112.59
5.4.290.0060.04212.58
5.4.280.0070.04412.48
5.4.270.0100.03812.48
5.4.260.0030.04512.48
5.4.250.0080.04312.48
5.4.240.0070.03812.48
5.4.230.0050.04312.47
5.4.220.0080.04012.47
5.4.210.0130.05912.47
5.4.200.0070.04312.47
5.4.190.0090.04112.46
5.4.180.0070.03712.47
5.4.170.0070.03912.48
5.4.160.0120.03512.47
5.4.150.0090.03712.47
5.4.140.0090.03612.15
5.4.130.0040.03912.14
5.4.120.0050.03812.10
5.4.110.0050.03912.09
5.4.100.0100.03412.10
5.4.90.0040.04412.09
5.4.80.0080.03712.09
5.4.70.0060.03512.09
5.4.60.0050.04012.09
5.4.50.0050.03712.09
5.4.40.0060.03612.08
5.4.30.0080.03812.07
5.4.20.0070.03812.07
5.4.10.0050.03512.08
5.4.00.0120.03411.57
5.3.290.0070.04512.86
5.3.280.0050.04012.78
5.3.270.0060.03912.79
5.3.260.0060.04012.80
5.3.250.0070.03712.80
5.3.240.0100.04112.80
5.3.230.0090.03512.79
5.3.220.0070.03812.76
5.3.210.0110.04312.75
5.3.200.0110.05312.75
5.3.190.0080.04012.76
5.3.180.0080.04512.75
5.3.170.0110.04812.75
5.3.160.0140.05112.75
5.3.150.0140.04612.75
5.3.140.0090.04912.74
5.3.130.0050.04912.74
5.3.120.0100.04412.74
5.3.110.0050.06512.74
5.3.100.0080.03812.22
5.3.90.0130.03512.21
5.3.80.0060.04112.20
5.3.70.0060.04912.20
5.3.60.0140.04312.19
5.3.50.0090.04012.13
5.3.40.0090.03912.13
5.3.30.0070.04212.09
5.3.20.0060.03511.87
5.3.10.0050.03811.84
5.3.00.0050.03911.82
5.2.170.0030.0459.32
5.2.160.0080.0459.33
5.2.150.0070.0289.32
5.2.140.0040.0409.32
5.2.130.0070.0359.28
5.2.120.0080.0289.29
5.2.110.0040.0309.29
5.2.100.0040.0349.28
5.2.90.0060.0389.29
5.2.80.0070.0419.28
5.2.70.0070.0419.28
5.2.60.0120.0459.23
5.2.50.0090.0369.20
5.2.40.0050.0319.18
5.2.30.0060.0319.16
5.2.20.0050.0389.14
5.2.10.0050.0389.06
5.2.00.0060.0398.92
5.1.60.0050.0348.21
5.1.50.0040.0328.20
5.1.40.0070.0368.18
5.1.30.0090.0448.53
5.1.20.0080.0428.55
5.1.10.0130.0388.28
5.1.00.0060.0388.29
5.0.50.0070.0266.75
5.0.40.0060.0266.62
5.0.30.0060.0406.43
5.0.20.0060.0266.40
5.0.10.0050.0276.38
5.0.00.0060.0396.38
4.4.90.0040.0434.78
4.4.80.0020.0184.76
4.4.70.0020.0174.75
4.4.60.0020.0184.75
4.4.50.0030.0164.77
4.4.40.0030.0284.70
4.4.30.0040.0204.76
4.4.20.0050.0204.84
4.4.10.0020.0214.84
4.4.00.0040.0254.76
4.3.110.0020.0174.67
4.3.100.0040.0174.66
4.3.90.0030.0154.63
4.3.80.0010.0264.59
4.3.70.0040.0144.63
4.3.60.0020.0174.63
4.3.50.0020.0174.63
4.3.40.0080.0264.54
4.3.30.0030.0213.28
4.3.20.0040.0193.25
4.3.10.0030.0203.22
4.3.00.0100.01313.30

preferences:
51.34 ms | 401 KiB | 5 Q