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->closeElement('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)
8.3.60.0150.00316.50
8.3.50.0120.00616.60
8.3.40.0090.00618.82
8.3.30.0120.00318.68
8.3.20.0040.00420.41
8.3.10.0080.00023.64
8.3.00.0060.00319.79
8.2.180.0120.00318.41
8.2.170.0090.00922.96
8.2.160.0090.00620.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00022.38
8.2.120.0030.00526.35
8.2.110.0150.00321.30
8.2.100.0000.01118.34
8.2.90.0040.00419.17
8.2.80.0040.00418.05
8.2.70.0050.00317.62
8.2.60.0030.00618.05
8.2.50.0090.00018.10
8.2.40.0000.00822.31
8.2.30.0040.00420.98
8.2.20.0040.00418.17
8.2.10.0000.00818.13
8.2.00.0040.00417.98
8.1.280.0090.01225.92
8.1.270.0050.00224.04
8.1.260.0150.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00322.22
8.1.230.0060.00619.29
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0070.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0030.00419.15
8.1.150.0050.00320.62
8.1.140.0000.00719.59
8.1.130.0000.00718.81
8.1.120.0030.00317.59
8.1.110.0040.00417.54
8.1.100.0040.00417.44
8.1.90.0040.00717.54
8.1.80.0000.00717.50
8.1.70.0000.00717.46
8.1.60.0040.00417.64
8.1.50.0080.00017.57
8.1.40.0040.00417.64
8.1.30.0040.00417.77
8.1.20.0030.00517.71
8.1.10.0000.00817.61
8.1.00.0040.00417.65
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0030.00318.45
8.0.270.0000.00717.27
8.0.260.0070.00016.94
8.0.250.0060.00017.05
8.0.240.0000.00717.01
8.0.230.0000.00917.08
8.0.220.0000.00716.98
8.0.210.0000.00816.98
8.0.200.0000.00617.01
8.0.190.0060.00316.92
8.0.180.0110.00016.94
8.0.170.0050.00316.94
8.0.160.0040.00416.92
8.0.150.0000.00816.91
8.0.140.0040.00316.89
8.0.130.0000.00513.46
8.0.120.0070.00017.00
8.0.110.0070.00016.77
8.0.100.0000.00816.97
8.0.90.0000.00816.82
8.0.80.0140.00216.90
8.0.70.0070.00016.94
8.0.60.0000.00716.84
8.0.50.0040.00416.92
8.0.30.0040.01417.21
8.0.20.0110.00917.40
8.0.10.0000.00817.00
8.0.00.0100.00716.75
7.4.330.0030.00315.55
7.4.320.0050.00316.59
7.4.300.0000.00716.59
7.4.290.0000.00716.66
7.4.280.0060.00316.69
7.4.270.0040.00416.75
7.4.260.0000.00613.43
7.4.250.0000.00816.63
7.4.240.0040.00416.63
7.4.230.0040.00416.47
7.4.220.0000.01716.66
7.4.210.0070.00716.76
7.4.200.0030.00316.67
7.4.160.0080.00816.48
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0090.00916.66
7.4.120.0130.00816.79
7.4.110.0120.00616.74
7.4.100.0140.00416.53
7.4.90.0150.00416.47
7.4.80.0110.00719.39
7.4.70.0050.01116.64
7.4.60.0070.01016.62
7.4.50.0030.01016.44
7.4.40.0060.01016.65
7.4.30.0080.00816.60
7.4.10.0100.00715.35
7.4.00.0090.00515.07
7.3.330.0060.00013.32
7.3.320.0000.00513.32
7.3.310.0000.00716.48
7.3.300.0000.00716.38
7.3.290.0070.00616.40
7.3.280.0120.00616.40
7.3.270.0090.00917.40
7.3.260.0090.01216.48
7.3.250.0130.00816.44
7.3.240.0080.00916.60
7.3.230.0210.00016.36
7.3.210.0110.00616.32
7.3.200.0100.00616.67
7.3.190.0080.00816.36
7.3.180.0060.00916.38
7.3.170.0080.00816.52
7.3.160.0130.00316.50
7.3.130.0070.01115.07
7.3.120.0120.00614.81
7.3.110.0040.01214.93
7.3.100.0060.01214.66
7.3.90.0100.00714.84
7.3.80.0040.01414.77
7.3.70.0000.01314.65
7.3.60.0040.01214.66
7.3.50.0070.01015.01
7.3.40.0060.00314.85
7.3.30.0060.00314.76
7.3.20.0030.01116.68
7.3.10.0100.00816.75
7.3.00.0040.01316.44
7.2.330.0090.00916.84
7.2.320.0120.00916.81
7.2.310.0140.00316.88
7.2.300.0110.00716.45
7.2.290.0180.01516.27
7.2.260.0110.00415.19
7.2.250.0030.01214.66
7.2.240.0000.01314.87
7.2.230.0080.01215.14
7.2.220.0060.01215.22
7.2.210.0090.00614.85
7.2.200.0070.00714.86
7.2.190.0070.01015.14
7.2.180.0030.01314.80
7.2.170.0140.00315.13
7.2.160.0030.01315.16
7.2.150.0070.00416.86
7.2.140.0060.01216.73
7.2.130.0100.00616.92
7.2.120.0110.00616.75
7.2.110.0090.00516.68
7.2.100.0110.00816.80
7.2.90.0060.01116.92
7.2.80.0130.01017.03
7.2.70.0130.00416.86
7.2.60.0080.00816.81
7.2.50.0070.00916.70
7.2.40.0060.00916.96
7.2.30.0100.00616.85
7.2.20.0060.01016.69
7.2.10.0090.00516.92
7.2.00.0060.01017.41
7.1.330.0030.00915.70
7.1.320.0030.01315.73
7.1.310.0040.01215.52
7.1.300.0150.00015.53
7.1.290.0030.01215.70
7.1.280.0040.00415.67
7.1.270.0080.00615.83
7.1.260.0000.01015.63
7.1.250.0080.01015.70
7.1.240.0040.00715.71
7.1.230.0060.00615.73
7.1.220.0030.00915.66
7.1.210.0110.00315.82
7.1.200.0090.00515.87
7.1.190.0060.00615.67
7.1.180.0040.01115.82
7.1.170.0000.01415.83
7.1.160.0030.00715.73
7.1.150.0030.01215.84
7.1.140.0030.00915.71
7.1.130.0040.01215.64
7.1.120.0030.01415.59
7.1.110.0000.00915.71
7.1.100.0030.00816.92
7.1.90.0000.01315.92
7.1.80.0100.00315.79
7.1.70.1540.00915.57
7.1.60.1580.01124.56
7.1.50.1580.01224.29
7.1.40.0950.01424.10
7.1.30.2020.01424.33
7.1.20.1500.01224.30
7.1.10.1290.01214.95
7.1.00.0860.00615.21
7.0.330.0000.00815.22
7.0.320.0020.01315.63
7.0.310.0030.00915.47
7.0.300.0080.00615.16
7.0.290.0000.01515.16
7.0.280.0030.01015.62
7.0.270.0000.01115.54
7.0.260.0080.00015.43
7.0.250.0100.00015.64
7.0.240.0060.00615.35
7.0.230.0060.00615.37
7.0.220.0000.01415.59
7.0.210.0060.00915.32
7.0.200.1930.00515.18
7.0.190.1790.00615.07
7.0.180.0930.01014.86
7.0.170.1240.01014.92
7.0.160.1410.00614.88
7.0.150.1230.00914.96
7.0.140.1020.00914.90
7.0.130.0870.01114.98
7.0.120.1030.01014.88
7.0.110.0780.01415.04
7.0.100.0810.00914.91
7.0.90.1000.00914.98
7.0.80.0980.01114.93
7.0.70.0970.00715.00
7.0.60.0720.01314.95
7.0.50.0930.00814.86
7.0.40.0830.00614.01
7.0.30.0940.01214.11
7.0.20.0770.01214.00
7.0.10.1110.00814.05
7.0.00.0900.00514.23
5.6.400.0030.00614.27
5.6.390.0070.00714.41
5.6.380.0060.00314.38
5.6.370.0070.00714.64
5.6.360.0030.00914.23
5.6.350.0030.01014.64
5.6.340.0060.00314.32
5.6.330.0060.00614.53
5.6.320.0030.00914.55
5.6.310.0060.00314.34
5.6.300.0100.00314.64
5.6.290.0000.01414.68
5.6.280.0070.00314.49
5.6.270.0030.00914.52
5.6.260.0000.00814.63
5.6.250.0060.00814.28
5.6.240.0000.01114.42
5.6.230.0080.00014.25
5.6.220.0080.00814.19
5.6.210.0110.00414.07
5.6.200.0040.00714.42
5.6.190.0030.00714.21
5.6.180.0030.00614.12
5.6.170.0030.01014.39
5.6.160.0040.01114.29
5.6.150.0000.01414.25
5.6.140.0040.01114.45
5.6.130.0000.01614.40
5.6.120.0030.00614.30
5.6.110.0090.00914.34
5.6.100.0090.00914.23
5.6.90.0000.01714.25
5.6.80.0000.01414.63
5.6.70.0030.00914.18
5.6.60.0040.01214.15
5.6.50.0030.01314.11
5.6.40.0040.00714.33
5.6.30.0090.00314.17
5.6.20.0030.00914.32
5.6.10.0030.00914.47
5.6.00.0100.00014.27

preferences:
47.33 ms | 400 KiB | 5 Q