3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new XMLWriter(); $xml->openMemory(); echo "Does not work" . PHP_EOL; $xml->startElement('parent'); $xml->startElement('child'); $xml->endElement(); $xml2->writeAttribute('parentAttribute', 'a value'); $xml->endElement(); echo $xml->outputMemory() . PHP_EOL; echo "Works" . PHP_EOL; $xml2 = new XMLWriter(); $xml2->openMemory(); $xml2->startElement('parent'); $xml2->writeAttribute('parentAttribute', 'a value'); $xml2->writeElement('child'); $xml2->endElement(); echo $xml2->outputMemory();

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)
8.3.60.0090.00616.88
8.3.50.0120.00316.69
8.3.40.0120.00318.92
8.3.30.0110.00419.01
8.3.20.0080.00020.34
8.3.10.0040.00421.72
8.3.00.0080.00017.91
8.2.180.0080.00817.13
8.2.170.0140.00722.96
8.2.160.0080.00520.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00522.37
8.2.120.0000.00726.35
8.2.110.0000.01022.42
8.2.100.0070.00418.03
8.2.90.0000.00817.97
8.2.80.0040.00417.97
8.2.70.0000.01017.75
8.2.60.0040.00417.68
8.2.50.0000.00818.10
8.2.40.0080.00022.27
8.2.30.0050.00321.08
8.2.20.0070.00018.07
8.2.10.0000.00718.13
8.2.00.0030.00618.00
8.1.280.0150.00625.92
8.1.270.0040.00424.03
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.17
8.1.230.0030.00720.93
8.1.220.0050.00317.74
8.1.210.0050.00318.96
8.1.200.0060.00317.36
8.1.190.0040.00817.25
8.1.180.0070.00018.10
8.1.170.0080.00018.61
8.1.160.0030.00319.13
8.1.150.0070.00020.69
8.1.140.0000.00719.51
8.1.130.0000.00718.97
8.1.120.0000.00717.45
8.1.110.0080.00017.43
8.1.100.0070.00017.48
8.1.90.0070.00317.44
8.1.80.0000.00817.57
8.1.70.0000.00717.56
8.1.60.0030.00617.55
8.1.50.0050.00317.55
8.1.40.0040.00417.54
8.1.30.0000.00817.69
8.1.20.0050.00317.68
8.1.10.0080.00017.68
8.1.00.0040.00417.58
8.0.300.0040.00420.20
8.0.290.0000.00716.88
8.0.280.0000.00818.63
8.0.270.0070.00017.31
8.0.260.0030.00316.86
8.0.250.0000.00717.00
8.0.240.0030.00316.96
8.0.230.0000.00816.92
8.0.220.0000.00716.89
8.0.210.0000.00717.00
8.0.200.0030.00317.04
8.0.190.0090.00317.13
8.0.180.0040.00716.95
8.0.170.0000.00716.98
8.0.160.0030.00517.06
8.0.150.0030.00516.99
8.0.140.0040.00417.02
8.0.130.0000.00513.46
8.0.120.0040.00416.94
8.0.110.0030.00516.74
8.0.100.0070.00017.06
8.0.90.0080.00017.07
8.0.80.0100.01016.96
8.0.70.0040.00417.09
8.0.60.0000.00717.04
8.0.50.0020.00517.01
8.0.30.0160.00317.20
8.0.20.0090.01117.40
8.0.10.0040.00417.02
8.0.00.0060.01217.14
7.4.330.0020.00215.55
7.4.320.0060.00016.70
7.4.300.0050.00216.65
7.4.290.0030.00316.58
7.4.280.0080.00016.59
7.4.270.0040.00416.63
7.4.260.0030.00513.47
7.4.250.0040.00416.55
7.4.240.0000.00716.71
7.4.230.0000.00616.48
7.4.220.0060.01316.66
7.4.210.0070.01116.77
7.4.200.0000.00716.78
7.4.160.0090.00716.73
7.4.150.0140.00317.40
7.4.140.0120.00717.86
7.4.130.0000.01716.64
7.4.120.0080.01216.60
7.4.110.0080.00816.39
7.4.100.0120.00416.72
7.4.90.0060.01216.65
7.4.80.0100.01419.39
7.4.70.0060.00916.47
7.4.60.0100.00716.57
7.4.50.0040.01216.34
7.4.40.0120.00616.85
7.4.30.0070.01516.85
7.4.00.0040.00815.16
7.3.330.0000.00513.13
7.3.320.0030.00313.32
7.3.310.0040.00416.29
7.3.300.0060.00016.35
7.3.290.0080.00816.39
7.3.280.0090.00816.38
7.3.270.0130.00317.40
7.3.260.0070.01116.38
7.3.250.0080.01016.48
7.3.240.0100.00816.59
7.3.230.0100.01016.36
7.3.210.0060.01216.48
7.3.200.0110.00616.54
7.3.190.0110.00516.52
7.3.180.0100.00616.60
7.3.170.0080.00816.67
7.3.160.0030.01216.52
7.3.00.0060.00616.68
7.2.330.0110.00816.55
7.2.320.0110.00916.88
7.2.310.0070.01016.39
7.2.300.0110.00916.50
7.2.290.0120.00616.84
7.2.130.0000.01616.71
7.2.120.0120.00316.66
7.2.110.0030.01216.84
7.2.100.0000.01116.80
7.2.90.0000.01616.84
7.2.80.0130.00016.71
7.2.70.0030.00616.72
7.2.60.0100.00516.89
7.2.50.0080.00416.93
7.2.40.0070.01017.07
7.2.30.0040.01116.88
7.2.20.0160.00316.62
7.2.10.0120.00616.78
7.2.00.0090.00418.32
7.1.250.0030.01015.67
7.1.240.0000.01515.67
7.1.230.0090.00615.67
7.1.220.0000.01415.78
7.1.210.0030.00715.80
7.1.200.0050.00815.79
7.1.190.0030.01315.60
7.1.180.0100.00715.73
7.1.170.0000.01315.79
7.1.160.0030.01015.72
7.1.150.0100.00615.50
7.1.140.0060.00615.79
7.1.130.0070.00715.85
7.1.120.0070.00715.77
7.1.110.0040.00815.75
7.1.100.0070.00616.74
7.1.90.0140.00315.89
7.1.80.0070.01015.50
7.1.70.0780.01215.58
7.1.60.1420.01224.54
7.1.50.1330.01624.19
7.1.40.1370.01023.97
7.1.30.0180.01324.15
7.1.20.0420.00524.09
7.1.10.0110.00615.20
7.1.00.1200.00615.35
7.0.330.0000.01315.22
7.0.320.0000.01415.09
7.0.310.0070.01015.38
7.0.300.0050.00315.18
7.0.290.0030.01015.45
7.0.280.0070.00715.39
7.0.270.0070.00715.33
7.0.260.0080.00415.29
7.0.250.0000.01315.55
7.0.240.0100.00315.20
7.0.230.0090.00615.25
7.0.220.0130.00315.12
7.0.210.0040.00415.46
7.0.200.1890.00615.15
7.0.190.2080.01315.20
7.0.180.1410.01014.95
7.0.170.0250.00814.77
7.0.160.0640.00314.98
7.0.150.0080.01014.89
7.0.140.1300.00814.89
7.0.130.1350.01014.92
7.0.120.1030.00814.96
7.0.110.1630.00615.09
7.0.100.0630.01314.99
7.0.90.1400.01215.07
7.0.80.1330.00314.86
7.0.70.1270.00814.92
7.0.60.1130.00714.72
7.0.50.1010.00814.85
7.0.40.1300.01014.03
7.0.30.1180.00913.97
7.0.20.1690.00514.08
7.0.10.0070.01213.79
7.0.00.1920.01014.02
5.6.380.0030.00914.32

preferences:
55.77 ms | 401 KiB | 5 Q