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(empty($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)
8.3.70.0160.00618.43
8.3.60.0160.00616.63
8.3.50.0170.00322.99
8.3.40.0040.01118.67
8.3.30.0090.00619.20
8.3.20.0040.00420.42
8.3.10.0030.00520.64
8.3.00.0070.00019.27
8.2.180.0070.00718.29
8.2.170.0120.00922.96
8.2.160.0030.01020.68
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0080.00019.36
8.2.110.0030.00621.06
8.2.100.0030.00918.16
8.2.90.0000.00819.15
8.2.80.0040.00417.97
8.2.70.0030.00517.75
8.2.60.0080.00018.05
8.2.50.0090.00018.10
8.2.40.0040.00420.56
8.2.30.0000.00719.52
8.2.20.0080.00017.69
8.2.10.0000.00718.31
8.2.00.0050.00217.81
8.1.280.0090.00925.92
8.1.270.0050.00322.27
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0030.00620.64
8.1.230.0040.00720.56
8.1.220.0040.00417.77
8.1.210.0050.00318.77
8.1.200.0090.00017.37
8.1.190.0090.00017.35
8.1.180.0060.00318.10
8.1.170.0040.00418.77
8.1.160.0000.00722.27
8.1.150.0040.00419.07
8.1.140.0050.00317.50
8.1.130.0030.00317.82
8.1.120.0080.00017.59
8.1.110.0000.00817.59
8.1.100.0080.00017.44
8.1.90.0000.00717.43
8.1.80.0070.00017.56
8.1.70.0030.00317.43
8.1.60.0080.00017.58
8.1.50.0000.00917.58
8.1.40.0030.00617.68
8.1.30.0060.00317.70
8.1.20.0040.00417.73
8.1.10.0040.00417.61
8.1.00.0040.00417.66
8.0.300.0070.00018.77
8.0.290.0000.00716.88
8.0.280.0030.00318.57
8.0.270.0000.00717.34
8.0.260.0000.00717.37
8.0.250.0070.00016.99
8.0.240.0000.00716.95
8.0.230.0080.00016.98
8.0.220.0030.00316.95
8.0.210.0000.00716.95
8.0.200.0030.00317.16
8.0.190.0050.00217.03
8.0.180.0000.00717.07
8.0.170.0000.00717.11
8.0.160.0030.00517.00
8.0.150.0040.00416.96
8.0.140.0040.00416.97
8.0.130.0050.00013.41
8.0.120.0050.00316.95
8.0.110.0040.00416.92
8.0.100.0000.00716.79
8.0.90.0040.00416.88
8.0.80.0060.01617.06
8.0.70.0070.00016.84
8.0.60.0000.00716.95
8.0.50.0040.00417.06
8.0.30.0110.00617.28
8.0.20.0090.01217.45
8.0.10.0000.00717.10
8.0.00.0100.01416.97
7.4.330.0000.00515.19
7.4.320.0070.00016.63
7.4.300.0030.00316.74
7.4.290.0000.00716.56
7.4.280.0040.00416.60
7.4.270.0060.00016.69
7.4.260.0030.00316.50
7.4.250.0040.00416.50
7.4.240.0010.00616.68
7.4.230.0000.00616.66
7.4.220.0080.00816.66
7.4.210.0120.00916.54
7.4.200.0070.00016.46
7.4.160.0100.00616.74
7.4.150.0070.01017.40
7.4.140.0120.00617.86
7.4.130.0150.00416.68
7.4.120.0110.00616.47
7.4.110.0190.00316.57
7.4.100.0050.01316.59
7.4.90.0070.01116.59
7.4.80.0070.01116.67
7.4.70.0090.00916.54
7.4.60.0060.01116.59
7.4.50.0000.00516.36
7.4.40.0160.00316.52
7.4.30.0050.01516.74
7.4.00.0040.01314.97
7.3.330.0060.00013.25
7.3.320.0020.00213.07
7.3.310.0060.00016.32
7.3.300.0000.00716.36
7.3.290.0120.00416.29
7.3.280.0100.00816.30
7.3.270.0090.00917.40
7.3.260.0090.00916.59
7.3.250.0070.01016.41
7.3.240.0100.00716.36
7.3.230.0110.01116.39
7.3.210.0130.00716.42
7.3.200.0180.00019.39
7.3.190.0130.00316.50
7.3.180.0030.01316.57
7.3.170.0060.01016.42
7.3.160.0060.01616.69
7.3.120.0040.01114.88
7.3.110.0130.00714.82
7.3.100.0000.01414.72
7.3.90.0070.00714.62
7.3.80.0130.00314.77
7.3.70.0100.00314.41
7.3.60.0060.01014.75
7.3.50.0030.00814.89
7.3.40.0080.00814.72
7.3.30.0050.00514.98
7.3.20.0030.01016.46
7.3.10.0040.00916.58
7.3.00.0020.01116.42
7.2.330.0120.00616.60
7.2.320.0150.00316.58
7.2.310.0130.00916.58
7.2.300.0140.00716.78
7.2.290.0130.00316.63
7.2.250.0060.00615.08
7.2.240.0070.01015.25
7.2.230.0060.01015.23
7.2.220.0120.00314.77
7.2.210.0030.01315.26
7.2.200.0100.00715.21
7.2.190.0030.01015.01
7.2.180.0030.00715.19
7.2.170.0060.00615.21
7.2.130.0100.00617.07
7.2.120.0040.01116.92
7.2.110.0080.00317.02
7.2.100.0090.00616.96
7.2.90.0030.00916.96
7.2.80.0030.00717.20
7.2.70.0000.01116.95
7.2.60.0130.00016.99
7.2.50.0060.00317.03
7.2.40.0060.00316.93
7.2.30.0040.01117.21
7.2.20.0120.00017.01
7.2.10.0080.00316.58
7.2.00.0020.01118.25
7.1.330.0070.01115.71
7.1.320.0060.00815.90
7.1.310.0090.00315.72
7.1.300.0090.00315.70
7.1.290.0000.01215.59
7.1.280.0000.01215.85
7.1.270.0040.00815.76
7.1.260.0070.00715.77
7.1.250.0040.00815.74
7.1.100.0090.00318.31
7.1.70.0070.00717.01
7.1.60.0070.01719.34
7.1.50.0060.01616.96
7.1.00.0070.07322.61
7.0.200.0030.00716.52
7.0.140.0000.04722.04
7.0.60.0170.05320.02
7.0.50.0000.06718.00
7.0.40.0100.09020.43
7.0.30.0170.04720.28
7.0.20.0230.08020.28
7.0.10.0030.04320.23
7.0.00.0030.05720.24
5.6.210.0100.07320.82
5.6.200.0170.06018.25
5.6.190.0100.08720.48
5.6.180.0030.08020.48
5.6.170.0330.07320.66
5.6.160.0100.08020.47
5.6.150.0100.07718.25
5.6.140.0070.04018.24
5.6.130.0030.08018.25
5.6.120.0000.08721.16
5.6.110.0100.08021.02
5.6.100.0030.07021.00
5.6.90.0070.03721.10
5.6.80.0030.08720.39
5.5.350.0000.07020.54
5.5.340.0030.04018.02
5.5.330.0100.03720.32
5.5.320.0300.04720.30
5.5.310.0400.06720.27
5.5.300.0030.06018.04
5.5.290.0100.08718.13
5.5.280.0100.08020.91
5.5.270.0070.07320.86
5.5.260.0030.08720.91
5.5.250.0070.03720.75
5.5.240.4230.04020.30
5.4.450.1230.05319.62
5.4.440.0030.04319.54
5.4.430.0230.03719.52
5.4.420.0200.04719.48
5.4.410.0070.05719.39
5.4.400.0170.05719.20
5.4.390.0200.04719.12
5.4.380.0130.06019.25
5.4.370.0100.06019.08
5.4.360.0170.04719.23
5.4.350.0080.03312.10
5.4.340.0070.03412.10
5.4.320.0080.03512.59
5.4.310.0100.04012.58
5.4.300.0070.04912.59
5.4.290.0100.04412.58
5.4.280.0080.05012.48
5.4.270.0070.05012.48
5.4.260.0110.05012.48
5.4.250.0090.05112.48
5.4.240.0120.05012.48
5.4.230.0110.03512.47
5.4.220.0060.05012.47
5.4.210.0060.05012.47
5.4.200.0090.04912.47
5.4.190.0070.04912.47
5.4.180.0130.04512.47
5.4.170.0100.04212.48
5.4.160.0110.04512.47
5.4.150.0100.05312.47
5.4.140.0090.04812.16
5.4.130.0080.04512.14
5.4.120.0040.03812.10
5.4.110.0090.03712.09
5.4.100.0090.03712.10
5.4.90.0080.03612.10
5.4.80.0060.03812.10
5.4.70.0060.03712.10
5.4.60.0080.03412.09
5.4.50.0120.03512.09
5.4.40.0020.03912.08
5.4.30.0050.03712.08
5.4.20.0080.03812.08
5.4.10.0050.04112.08
5.4.00.0060.04111.57
5.3.290.0060.04412.85
5.3.280.0070.04212.78
5.3.270.0070.03912.79
5.3.260.0070.04612.79
5.3.250.0070.04512.79
5.3.240.0110.03912.79
5.3.230.0070.04312.78
5.3.220.0050.04512.75
5.3.210.0070.04012.75
5.3.200.0100.03812.75
5.3.190.0090.04512.75
5.3.180.0060.03812.75
5.3.170.0040.04312.75
5.3.160.0090.04512.75
5.3.150.0080.04312.75
5.3.140.0140.06812.74
5.3.130.0120.05012.74
5.3.120.0090.03912.73
5.3.110.0050.04512.73
5.3.100.0080.04012.22
5.3.90.0050.03812.21
5.3.80.0040.03812.20
5.3.70.0060.03812.20
5.3.60.0090.03612.19
5.3.50.0070.04212.13
5.3.40.0070.03812.13
5.3.30.0080.03812.09
5.3.20.0060.03711.88
5.3.10.0060.03511.84
5.3.00.0040.03811.82
5.2.170.0040.0329.33
5.2.160.0050.0349.32
5.2.150.0030.0329.32
5.2.140.0080.0279.32
5.2.130.0060.0289.29
5.2.120.0050.0289.29
5.2.110.0030.0329.29
5.2.100.0060.0299.28
5.2.90.0040.0359.28
5.2.80.0050.0359.27
5.2.70.0070.0349.27
5.2.60.0060.0329.23
5.2.50.0050.0349.20
5.2.40.0060.0309.18
5.2.30.0050.0359.15
5.2.20.0040.0339.14
5.2.10.0020.0349.06
5.2.00.0050.0378.92
5.1.60.0060.0278.20
5.1.50.0060.0278.20
5.1.40.0030.0308.18
5.1.30.0040.0278.53
5.1.20.0050.0308.55
5.1.10.0040.0298.27
5.1.00.0060.0258.28
5.0.50.0030.0236.75
5.0.40.0020.0256.62
5.0.30.0030.0356.43
5.0.20.0070.0196.40
5.0.10.0060.0236.38
5.0.00.0030.0326.37
4.4.90.0010.0204.78
4.4.80.0050.0144.75
4.4.70.0030.0164.75
4.4.60.0030.0164.75
4.4.50.0050.0224.77
4.4.40.0010.0294.70
4.4.30.0030.0174.75
4.4.20.0010.0194.84
4.4.10.0030.0174.84
4.4.00.0040.0244.76
4.3.110.0060.0184.67
4.3.100.0020.0154.66
4.3.90.0040.0134.64
4.3.80.0010.0274.59
4.3.70.0020.0154.63
4.3.60.0040.0154.63
4.3.50.0040.0164.62
4.3.40.0020.0254.54
4.3.30.0020.0173.28
4.3.20.0030.0173.25
4.3.10.0010.0183.21
4.3.00.0070.01713.30

preferences:
49.61 ms | 401 KiB | 5 Q