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->writeElement('child'); $xml->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)
8.3.60.0100.01016.75
8.3.50.0070.01116.73
8.3.40.0150.00018.54
8.3.30.0090.00618.67
8.3.20.0000.00820.46
8.3.10.0060.00323.75
8.3.00.0000.00817.91
8.2.180.0120.00318.79
8.2.170.0150.00322.96
8.2.160.0030.01020.55
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00422.23
8.2.120.0050.00326.35
8.2.110.0090.00020.52
8.2.100.0040.00718.14
8.2.90.0070.00318.16
8.2.80.0050.00318.18
8.2.70.0000.00817.80
8.2.60.0060.00318.16
8.2.50.0060.00318.10
8.2.40.0040.00420.90
8.2.30.0040.00421.22
8.2.20.0050.00218.08
8.2.10.0040.00418.18
8.2.00.0040.00418.23
8.1.280.0100.01025.92
8.1.270.0080.00024.10
8.1.260.0140.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.38
8.1.230.0030.00721.04
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.60
8.1.190.0060.00317.47
8.1.180.0000.00818.10
8.1.170.0000.00819.02
8.1.160.0070.00019.24
8.1.150.0040.00420.67
8.1.140.0000.00819.76
8.1.130.0070.00019.09
8.1.120.0040.00417.61
8.1.110.0050.00217.60
8.1.100.0040.00417.57
8.1.90.0080.00317.57
8.1.80.0030.00417.55
8.1.70.0000.00717.56
8.1.60.0040.00417.67
8.1.50.0000.00717.73
8.1.40.0050.00217.77
8.1.30.0040.00417.75
8.1.20.0000.00817.76
8.1.10.0030.00617.67
8.1.00.0040.00417.76
8.0.300.0000.00821.45
8.0.290.0040.00416.63
8.0.280.0030.00318.64
8.0.270.0070.00017.48
8.0.260.0000.00616.98
8.0.250.0040.00416.98
8.0.240.0070.00017.04
8.0.230.0100.00017.03
8.0.220.0000.00716.95
8.0.210.0000.00717.01
8.0.200.0060.00017.06
8.0.190.0000.00917.02
8.0.180.0040.00716.99
8.0.170.0040.00416.99
8.0.160.0000.00916.75
8.0.150.0070.00017.00
8.0.140.0040.00416.94
8.0.130.0060.00013.44
8.0.120.0070.00016.99
8.0.110.0040.00417.16
8.0.100.0030.00516.95
8.0.90.0080.00017.13
8.0.80.0110.00417.08
8.0.70.0000.00716.92
8.0.60.0040.00416.75
8.0.50.0070.00017.09
8.0.30.0070.00917.15
8.0.20.0100.00917.40
8.0.10.0040.00416.96
8.0.00.0150.00416.88
7.4.330.0000.00515.55
7.4.320.0000.00816.72
7.4.300.0030.00316.57
7.4.290.0030.00316.71
7.4.280.0040.00416.63
7.4.270.0070.00016.67
7.4.260.0050.00013.35
7.4.250.0000.00816.54
7.4.240.0070.00016.66
7.4.230.0000.00716.72
7.4.220.0060.01316.70
7.4.210.0100.00316.54
7.4.200.0000.00716.80
7.4.160.0090.00916.55
7.4.150.0140.00317.40
7.4.140.0090.00817.86
7.4.130.0100.00716.51
7.4.120.0120.01016.61
7.4.110.0090.00916.54
7.4.100.0080.00816.79
7.4.90.0110.00616.77
7.4.80.0080.00819.39
7.4.70.0060.01016.59
7.4.60.0100.00716.58
7.4.50.0000.01516.46
7.4.40.0090.00916.76
7.4.30.0100.01016.68
7.4.00.0050.01214.73
7.3.330.0050.00013.28
7.3.320.0000.00513.13
7.3.310.0000.00716.31
7.3.300.0030.00316.36
7.3.290.0120.00516.35
7.3.280.0080.00816.34
7.3.270.0030.01317.40
7.3.260.0060.01116.55
7.3.250.0090.00916.48
7.3.240.0050.01316.67
7.3.230.0080.01216.60
7.3.210.0030.01316.45
7.3.200.0170.00316.55
7.3.190.0100.00716.41
7.3.180.0060.01016.64
7.3.170.0090.00616.39
7.3.160.0060.01016.63
7.3.120.0060.01116.00
7.3.110.0020.01515.96
7.3.100.0100.00515.89
7.3.90.0070.00915.95
7.3.80.0090.00515.96
7.3.70.0050.00915.86
7.3.60.0050.00915.94
7.3.50.0050.00816.03
7.3.40.0030.01015.92
7.3.30.0100.00516.10
7.3.20.0080.00516.96
7.3.10.0070.00716.96
7.3.00.0050.00816.94
7.2.330.0100.01316.84
7.2.320.0090.00816.91
7.2.310.0110.00616.84
7.2.300.0110.00716.57
7.2.290.0060.01216.77
7.2.250.0090.00915.34
7.2.240.0050.01116.22
7.2.230.0070.00816.09
7.2.220.0080.00416.11
7.2.210.0030.01116.05
7.2.200.0050.00616.10
7.2.190.0020.00916.04
7.2.180.0050.01016.15
7.2.170.0090.00716.02
7.2.160.0110.00317.15
7.2.150.0100.00717.15
7.2.140.0060.00617.15
7.2.130.0030.00917.15
7.2.120.0030.00917.15
7.2.110.0030.00717.15
7.2.100.0000.01417.15
7.2.90.0030.01017.19
7.2.80.0130.00017.15
7.2.70.0030.00917.15
7.2.60.0050.00917.00
7.2.50.0030.00817.16
7.2.40.0090.00617.15
7.2.30.0140.00317.15
7.2.20.0090.00617.15
7.2.10.0090.00617.15
7.2.00.0030.01218.30
7.1.330.0020.01416.50
7.1.320.0080.00516.41
7.1.310.0110.00216.28
7.1.300.0030.01016.53
7.1.290.0120.00516.50
7.1.280.0100.00516.42
7.1.270.0070.00716.28
7.1.260.0040.00716.34
7.1.250.0060.00617.15
7.1.200.0030.00715.55
7.1.100.0100.00318.22
7.1.70.2670.01315.15
7.1.60.2330.01333.26
7.1.50.2230.01332.96
7.1.40.2300.01332.65
7.1.30.2570.01332.61
7.1.20.2330.01732.66
7.1.10.2530.01014.68
7.1.00.1770.01714.78
7.0.200.2270.01314.85
7.0.190.4270.00714.94
7.0.180.1930.01314.54
7.0.170.2900.01014.52
7.0.160.2100.01014.50
7.0.150.2100.01314.48
7.0.140.2000.01714.44
7.0.130.2530.01014.85
7.0.120.1770.00714.78
7.0.110.1630.00714.68
7.0.100.1630.01014.54
7.0.90.1730.01014.66
7.0.80.1470.01014.78
7.0.70.2030.01314.49
7.0.60.1830.01014.50
7.0.50.1430.01314.82
7.0.40.2000.01314.71
7.0.30.1870.01014.51
7.0.20.1830.01314.61
7.0.10.1270.01014.80
7.0.00.1370.01314.64

preferences:
40.6 ms | 401 KiB | 5 Q