3v4l.org

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

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)
8.3.60.0060.00816.88
8.3.50.0140.00622.85
8.3.40.0070.01118.78
8.3.30.0070.00719.21
8.3.20.0080.00020.62
8.3.10.0040.00420.27
8.3.00.0040.00419.12
8.2.180.0160.00618.14
8.2.170.0070.00722.96
8.2.160.0140.00020.83
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.36
8.2.110.0030.00622.44
8.2.100.0080.00418.04
8.2.90.0090.00019.42
8.2.80.0000.00719.36
8.2.70.0040.00417.50
8.2.60.0000.00818.03
8.2.50.0080.00018.07
8.2.40.0080.00018.28
8.2.30.0000.00719.43
8.2.20.0040.00417.87
8.2.10.0000.00718.14
8.2.00.0050.00317.87
8.1.280.0110.00425.92
8.1.270.0000.00822.21
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00322.67
8.1.230.0070.00321.03
8.1.220.0080.00018.77
8.1.210.0060.00319.09
8.1.200.0080.00017.38
8.1.190.0040.00417.66
8.1.180.0050.00318.10
8.1.170.0000.00818.77
8.1.160.0040.00419.05
8.1.150.0030.00518.94
8.1.140.0000.00917.59
8.1.130.0000.00717.99
8.1.120.0000.00817.58
8.1.110.0040.00417.58
8.1.100.0030.00317.67
8.1.90.0040.00417.71
8.1.80.0000.00717.45
8.1.70.0000.00717.52
8.1.60.0040.00417.81
8.1.50.0030.00517.61
8.1.40.0000.00817.59
8.1.30.0030.00617.88
8.1.20.0000.00817.80
8.1.10.0000.00817.55
8.1.00.0050.00217.63
8.0.300.0080.00020.02
8.0.290.0040.00417.30
8.0.280.0030.00318.46
8.0.270.0040.00417.44
8.0.260.0000.00617.36
8.0.250.0030.00316.99
8.0.240.0080.00017.03
8.0.230.0040.00417.13
8.0.220.0030.00317.01
8.0.210.0000.00616.89
8.0.200.0030.00317.03
8.0.190.0070.00017.06
8.0.180.0000.00716.98
8.0.170.0000.00717.07
8.0.160.0000.00716.93
8.0.150.0030.00316.97
8.0.140.0030.00416.90
8.0.130.0000.00613.42
8.0.120.0000.00816.96
8.0.110.0050.00516.91
8.0.100.0040.00417.13
8.0.90.0040.00417.05
8.0.80.0030.01416.94
8.0.70.0000.00716.86
8.0.60.0070.00017.04
8.0.50.0000.00717.02
8.0.30.0140.00417.23
8.0.20.0090.00917.40
8.0.10.0000.00717.25
8.0.00.0120.00616.78
7.4.330.0050.00015.35
7.4.320.0000.00616.75
7.4.300.0030.00316.71
7.4.290.0000.00716.71
7.4.280.0000.00816.55
7.4.270.0030.00316.68
7.4.260.0030.00316.55
7.4.250.0070.00016.64
7.4.240.0000.00716.75
7.4.230.0000.00716.40
7.4.220.0080.00816.83
7.4.210.0030.01316.88
7.4.200.0030.00316.78
7.4.160.0060.01116.69
7.4.150.0120.01217.40
7.4.140.0090.01017.86
7.4.130.0120.00716.63
7.4.120.0070.01116.55
7.4.110.0100.01316.63
7.4.100.0140.00316.66
7.4.90.0100.00616.52
7.4.80.0130.00316.52
7.4.70.0090.00916.72
7.4.60.0140.00316.58
7.4.50.0060.00316.41
7.4.40.0130.01016.40
7.4.30.0170.00316.74
7.4.00.0000.01415.31
7.3.330.0000.00613.30
7.3.320.0000.00613.22
7.3.310.0070.00016.38
7.3.300.0030.00316.37
7.3.290.0060.01016.43
7.3.280.0080.01016.39
7.3.270.0150.00317.40
7.3.260.0070.01016.68
7.3.250.0090.01316.65
7.3.240.0160.00316.60
7.3.230.0080.00916.42
7.3.210.0080.00816.40
7.3.200.0110.01119.39
7.3.190.0060.01016.48
7.3.180.0040.01116.32
7.3.170.0050.01416.36
7.3.160.0060.01516.55
7.2.330.0100.00716.86
7.2.320.0120.00616.63
7.2.310.0030.01316.64
7.2.300.0030.01616.74
7.2.290.0150.00416.46
7.2.00.0250.00319.12
7.1.200.0120.00016.01
7.1.100.0100.00318.23
7.1.70.0030.01017.36
7.1.60.0170.00719.34
7.1.50.0070.01317.12
7.1.00.0070.07322.58
7.0.200.0030.00716.66
7.0.140.0000.03322.04
7.0.60.0000.04720.10
7.0.50.0100.07317.95
7.0.40.0070.04020.05
7.0.30.0430.08020.20
7.0.20.0270.06320.14
7.0.10.0070.04320.14
7.0.00.0070.07020.36
5.6.280.0000.07721.13
5.6.210.0170.07320.89
5.6.200.0030.08018.34
5.6.190.0070.05320.52
5.6.180.0100.06020.84
5.6.170.0370.06020.46
5.6.160.0130.08020.46
5.6.150.0130.04318.25
5.6.140.0130.03318.25
5.6.130.0000.05718.21
5.6.120.0100.04721.00
5.6.110.0070.04021.17
5.6.100.0170.07721.02
5.6.90.0030.06021.14
5.6.80.0130.04020.46
5.5.350.0070.04720.38
5.5.340.0100.06718.09
5.5.330.0070.06020.28
5.5.320.0170.04720.39
5.5.310.0170.07020.36
5.5.300.0070.06318.09
5.5.290.0100.06718.08
5.5.280.0130.05720.85
5.5.270.0030.05020.75
5.5.260.0130.06021.00
5.5.250.0130.06320.83
5.5.240.0200.04020.44
5.4.450.0630.03319.63
5.4.440.0800.04019.49
5.4.430.0430.06319.64
5.4.420.0200.06319.55
5.4.410.0200.04719.38
5.4.400.0130.05019.28
5.4.390.0030.06019.29
5.4.380.0130.05319.07
5.4.370.0130.05719.23
5.4.360.0130.05019.33
5.4.350.0030.03912.10
5.4.340.0080.03612.09
5.4.320.0040.04412.59
5.4.310.0100.04312.58
5.4.300.0110.04812.59
5.4.290.0100.05112.58
5.4.280.0090.05012.48
5.4.270.0090.04812.48
5.4.260.0090.03612.48
5.4.250.0110.03612.48
5.4.240.0100.03512.48
5.4.230.0100.03612.47
5.4.220.0040.04112.47
5.4.210.0120.04412.47
5.4.200.0070.04112.47
5.4.190.0080.04212.47
5.4.180.0050.04612.47
5.4.170.0100.04212.48
5.4.160.0100.04012.48
5.4.150.0090.04112.47
5.4.140.0270.11412.16
5.4.130.0090.04012.14
5.4.120.0120.03512.10
5.4.110.0070.04212.09
5.4.100.0070.03712.09
5.4.90.0070.03812.10
5.4.80.0100.04412.09
5.4.70.0070.03512.09
5.4.60.0060.03712.09
5.4.50.0060.03612.09
5.4.40.0070.03512.08
5.4.30.0060.04112.07
5.4.20.0220.08112.07
5.4.10.0100.04712.08
5.4.00.0100.03311.57
5.3.290.0070.05012.86
5.3.280.0080.04012.78
5.3.270.0090.05412.80
5.3.260.0210.08412.79
5.3.250.0110.04812.79
5.3.240.0180.07812.79
5.3.230.0080.06012.79
5.3.220.0080.04512.76
5.3.210.0090.04112.75
5.3.200.0080.03712.75
5.3.190.0070.04212.75
5.3.180.0070.04512.75
5.3.170.0100.04312.75
5.3.160.0090.03412.75
5.3.150.0060.03912.75
5.3.140.0070.03712.74
5.3.130.0060.03912.74
5.3.120.0060.04312.74
5.3.110.0150.07012.74
5.3.100.0100.06012.22
5.3.90.0050.04112.21
5.3.80.0080.04112.20
5.3.70.0080.04912.20
5.3.60.0110.03712.19
5.3.50.0060.05212.13
5.3.40.0060.04312.13
5.3.30.0090.03912.09
5.3.20.0090.03711.87
5.3.10.0070.04011.84
5.3.00.0040.04011.82
5.2.170.0040.0339.33
5.2.160.0090.0279.32
5.2.150.0060.0739.32
5.2.140.0080.0339.32
5.2.130.0090.0309.29
5.2.120.0090.0479.29
5.2.110.0060.0359.29
5.2.100.0090.0389.28
5.2.90.0090.0339.28
5.2.80.0130.0409.28
5.2.70.0130.0649.28
5.2.60.0110.0429.23
5.2.50.0080.0419.20
5.2.40.0050.0439.18
5.2.30.0070.0339.15
5.2.20.0110.0489.14
5.2.10.0080.0339.06
5.2.00.0170.0828.93
5.1.60.0090.0318.21
5.1.50.0150.0588.20
5.1.40.0110.0488.18
5.1.30.0100.0478.54
5.1.20.0120.0378.55
5.1.10.0070.0348.27
5.1.00.0070.0318.29
5.0.50.0050.0236.75
5.0.40.0150.0506.61
5.0.30.0050.0486.43
5.0.20.0090.0506.40
5.0.10.0080.0406.38
5.0.00.0090.0346.37
4.4.90.0140.0354.77
4.4.80.0030.0224.76
4.4.70.0060.0314.75
4.4.60.0160.0504.76
4.4.50.0030.0214.77
4.4.40.0030.0454.71
4.4.30.0050.0174.76
4.4.20.0020.0204.85
4.4.10.0040.0174.84
4.4.00.0060.0284.76
4.3.110.0030.0184.67
4.3.100.0020.0174.67
4.3.90.0040.0154.63
4.3.80.0010.0284.59
4.3.70.0030.0214.63
4.3.60.0010.0164.63
4.3.50.0030.0164.63
4.3.40.0030.0264.54
4.3.30.0020.0193.28
4.3.20.0030.0173.25
4.3.10.0030.0163.22
4.3.00.0030.01713.30

preferences:
48.16 ms | 401 KiB | 5 Q