3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml_header = "<?xml version='1.0' encoding='utf-8'?><xml/>"; $xml = new SimpleXMLElement($xml_header); $xml->addChild("test","a & b"); echo $xml->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)
8.3.60.0030.01218.45
8.3.50.0090.01122.03
8.3.40.0120.00319.04
8.3.30.0140.00019.33
8.3.20.0000.00720.54
8.3.10.0050.00322.29
8.3.00.0040.00422.88
8.2.180.0080.00816.75
8.2.170.0030.01422.96
8.2.160.0100.00621.19
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0030.00619.50
8.2.110.0050.00522.48
8.2.100.0080.00818.22
8.2.90.0040.00419.52
8.2.80.0040.00418.29
8.2.70.0040.00417.86
8.2.60.0030.00518.16
8.2.50.0050.00318.07
8.2.40.0040.00418.47
8.2.30.0040.00418.14
8.2.20.0070.00018.00
8.2.10.0050.00317.93
8.2.00.0060.00317.91
8.1.280.0070.01025.92
8.1.270.0080.00024.27
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0050.00524.11
8.1.230.0070.00319.39
8.1.220.0030.00517.91
8.1.210.0030.00518.77
8.1.200.0000.00917.73
8.1.190.0030.00517.77
8.1.180.0040.00418.10
8.1.170.0000.00818.96
8.1.160.0000.00722.20
8.1.150.0000.00718.75
8.1.140.0080.00017.71
8.1.130.0000.00717.95
8.1.120.0000.00717.71
8.1.110.0000.00717.63
8.1.100.0000.00717.57
8.1.90.0030.00517.62
8.1.80.0000.00717.74
8.1.70.0000.00717.61
8.1.60.0030.00517.73
8.1.50.0060.00317.77
8.1.40.0070.00017.68
8.1.30.0070.00317.72
8.1.20.0080.00017.80
8.1.10.0040.00417.72
8.1.00.0050.00217.68
8.0.300.0070.00018.77
8.0.290.0000.00817.43
8.0.280.0030.00318.70
8.0.270.0030.00517.56
8.0.260.0000.00618.73
8.0.250.0030.00317.16
8.0.240.0000.00717.23
8.0.230.0070.00017.13
8.0.220.0000.00817.13
8.0.210.0040.00317.10
8.0.200.0030.00317.15
8.0.190.0030.00517.18
8.0.180.0050.00217.18
8.0.170.0040.00417.16
8.0.160.0000.00917.12
8.0.150.0000.00716.99
8.0.140.0040.00417.06
8.0.130.0000.00613.58
8.0.120.0050.00316.97
8.0.110.0000.00716.97
8.0.100.0040.00416.93
8.0.90.0000.00817.02
8.0.80.0080.00817.08
8.0.70.0000.00817.04
8.0.60.0000.00717.25
8.0.50.0040.00417.13
8.0.30.0100.01317.23
8.0.20.0100.00917.40
8.0.10.0070.00017.36
8.0.00.0130.00616.98
7.4.330.0000.00515.26
7.4.320.0040.00416.76
7.4.300.0000.00616.72
7.4.290.0070.00016.82
7.4.280.0000.00716.74
7.4.270.0030.00316.70
7.4.260.0030.00316.66
7.4.250.0000.00716.80
7.4.240.0020.00516.81
7.4.230.0040.00416.88
7.4.220.0110.00716.80
7.4.210.0080.00916.78
7.4.200.0070.00016.80
7.4.190.0000.00716.63
7.4.160.0080.00816.62
7.4.150.0120.00917.40
7.4.140.0060.01417.86
7.4.130.0090.01016.70
7.4.120.0120.00716.82
7.4.110.0210.00416.83
7.4.100.0140.00316.73
7.4.90.0060.01216.60
7.4.80.0040.01719.39
7.4.70.0130.00316.86
7.4.60.0160.00016.61
7.4.50.0060.00016.69
7.4.40.0080.00822.77
7.4.30.0090.00616.92
7.3.330.0030.00313.39
7.3.320.0000.00513.41
7.3.310.0030.00316.29
7.3.300.0000.00616.49
7.3.290.0000.01516.47
7.3.280.0100.00616.41
7.3.270.0150.00317.40
7.3.260.0100.00716.63
7.3.250.0070.01016.63
7.3.240.0080.00816.75
7.3.230.0100.00716.48
7.3.210.0030.01416.49
7.3.200.0140.00719.39
7.3.190.0070.01016.41
7.3.180.0130.00316.48
7.3.170.0140.00416.64
7.3.160.0110.00516.57
7.2.330.0090.00916.87
7.2.320.0070.01616.85
7.2.310.0090.00816.55
7.2.300.0060.00916.98
7.2.290.0070.01116.95
7.1.00.0070.07022.51
7.0.140.0070.07022.10
5.6.280.0100.07021.17

preferences:
43.22 ms | 401 KiB | 5 Q