3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new XMLWriter(); $xml->openMemory(); $xml->startElement('parent'); $xml->writeElement('child'); $xml->writeAttribute('parentAttribute'); $xml->endElement(); echo $xml->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)
8.3.60.0140.00716.75
8.3.50.0110.00716.39
8.3.40.0150.00019.05
8.3.30.0110.00318.63
8.3.20.0050.00220.51
8.3.10.0030.00622.06
8.3.00.0040.00417.91
8.2.180.0130.00718.41
8.2.170.0090.00622.96
8.2.160.0080.00620.52
8.2.150.0000.00825.66
8.2.140.0030.00524.66
8.2.130.0000.00722.21
8.2.120.0080.00026.35
8.2.110.0040.00422.39
8.2.100.0080.00417.96
8.2.90.0080.00019.26
8.2.80.0090.00018.18
8.2.70.0060.00317.75
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0040.00422.45
8.2.30.0040.00421.16
8.2.20.0000.00718.10
8.2.10.0000.00718.18
8.2.00.0000.00718.11
8.1.280.0070.01025.92
8.1.270.0000.00724.09
8.1.260.0070.01026.35
8.1.250.0000.00728.09
8.1.240.0050.00522.15
8.1.230.0090.00320.96
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0070.00317.23
8.1.180.0060.00318.10
8.1.170.0090.00018.59
8.1.160.0040.00418.99
8.1.150.0040.00420.72
8.1.140.0020.00519.49
8.1.130.0000.00718.95
8.1.120.0050.00217.35
8.1.110.0000.00717.55
8.1.100.0040.00417.46
8.1.90.0060.00317.52
8.1.80.0030.00317.41
8.1.70.0030.00317.43
8.1.60.0030.00617.68
8.1.50.0000.00717.59
8.1.40.0080.00017.67
8.1.30.0040.00417.83
8.1.20.0050.00317.79
8.1.10.0040.00417.60
8.1.00.0000.00917.46
8.0.300.0030.00618.77
8.0.290.0050.00316.75
8.0.280.0070.00018.39
8.0.270.0030.00317.33
8.0.260.0000.00716.86
8.0.250.0030.00317.12
8.0.240.0050.00217.09
8.0.230.0070.00017.02
8.0.220.0040.00417.02
8.0.210.0040.00316.93
8.0.200.0000.00617.06
8.0.190.0030.00617.08
8.0.180.0000.00916.96
8.0.170.0080.00017.03
8.0.160.0040.00417.06
8.0.150.0050.00317.07
8.0.140.0040.00416.97
8.0.130.0030.00313.39
8.0.120.0080.00016.88
8.0.110.0000.00716.84
8.0.100.0070.00016.81
8.0.90.0000.00717.01
8.0.80.0110.00417.09
8.0.70.0040.00416.84
8.0.60.0000.00817.06
8.0.50.0000.00716.85
8.0.30.0050.01217.17
8.0.20.0100.00817.40
8.0.10.0000.00817.18
8.0.00.0100.00817.10
7.4.330.0050.00015.55
7.4.320.0060.00016.75
7.4.300.0070.00016.67
7.4.290.0000.00816.65
7.4.280.0060.00316.51
7.4.270.0000.00716.64
7.4.260.0000.00513.28
7.4.250.0000.00716.46
7.4.240.0030.00316.66
7.4.230.0070.00016.65
7.4.220.0180.00016.74
7.4.210.0110.00316.68
7.4.200.0000.00716.55
7.4.160.0080.00916.65
7.4.150.0060.01217.40
7.4.140.0110.00617.86
7.4.130.0150.00316.73
7.4.120.0090.01016.62
7.4.110.0140.00316.77
7.4.100.0150.00916.73
7.4.90.0100.00716.49
7.4.80.0120.00419.39
7.4.70.0160.00016.73
7.4.60.0100.00716.57
7.4.50.0070.00716.38
7.4.40.0140.00716.81
7.4.30.0090.00816.64
7.4.10.0070.01014.85
7.4.00.0070.01114.95
7.3.330.0020.00213.17
7.3.320.0030.00313.11
7.3.310.0000.00716.41
7.3.300.0000.00716.48
7.3.290.0120.00416.30
7.3.280.0100.00716.31
7.3.270.0060.00917.40
7.3.260.0050.01216.45
7.3.250.0160.00716.38
7.3.240.0130.00516.44
7.3.230.0060.01216.39
7.3.210.0080.00816.29
7.3.200.0180.00616.66
7.3.190.0060.00916.51
7.3.180.0110.00516.62
7.3.170.0130.00316.54
7.3.160.0080.00816.47
7.3.130.0120.00614.55
7.3.120.0070.00714.74
7.3.110.0170.00015.00
7.3.100.0100.00714.70
7.3.90.0120.00314.65
7.3.80.0040.00414.91
7.3.70.0090.00615.00
7.3.60.0000.01414.44
7.3.50.0100.00314.89
7.3.40.0100.00714.61
7.3.30.0110.00014.91
7.3.20.0050.00516.59
7.3.10.0090.00416.63
7.3.00.0010.01216.71
7.2.330.0120.01416.74
7.2.320.0070.01416.61
7.2.310.0030.01316.46
7.2.300.0180.00316.63
7.2.290.0060.01216.86
7.2.260.0070.01414.92
7.2.250.0130.00714.94
7.2.240.0030.01015.19
7.2.230.0030.00915.08
7.2.220.0090.00614.80
7.2.210.0040.00815.04
7.2.200.0000.01015.01
7.2.190.0060.00914.96
7.2.180.0040.01214.87
7.2.170.0060.00615.07
7.2.160.0000.01515.09
7.2.150.0110.00017.08
7.2.140.0070.00716.59
7.2.130.0050.00817.03
7.2.120.0050.00816.85
7.2.110.0030.00816.87
7.2.100.0050.00816.96
7.2.90.0060.00716.95
7.2.80.0020.01116.95
7.2.70.0070.00816.91
7.2.60.0070.00416.88
7.2.50.0050.00816.96
7.2.40.0030.01016.93
7.2.30.0070.00816.96
7.2.20.0070.00416.89
7.2.10.0040.01316.97
7.2.00.0040.00817.86
7.1.330.0080.00415.48
7.1.320.0050.00515.50
7.1.310.0030.01215.86
7.1.300.0000.01415.62
7.1.290.0030.01215.42
7.1.280.0090.00315.56
7.1.270.0000.01415.73
7.1.260.0050.00415.81
7.1.250.0030.00715.71
7.1.240.0050.00515.48
7.1.230.0070.00415.65
7.1.220.0060.00315.69
7.1.210.0060.00615.77
7.1.200.0030.00815.58
7.1.190.0040.00715.65
7.1.180.0090.00315.56
7.1.170.0100.00315.64
7.1.160.0000.01515.57
7.1.150.0030.00715.38
7.1.140.0030.01415.64
7.1.130.0030.00615.63
7.1.120.0040.01115.50
7.1.110.0040.00715.52
7.1.100.0030.00916.94
7.1.90.0060.00615.38
7.1.80.0120.00015.45
7.1.70.0720.01015.38
7.1.60.0730.01224.45
7.1.50.0780.01824.24
7.1.40.0870.01224.10
7.1.30.1170.01324.06
7.1.20.1090.01424.17
7.1.10.0860.01015.20
7.1.00.1280.01115.32
7.0.330.0030.00915.38
7.0.320.0030.00615.45
7.0.310.0110.00415.46
7.0.300.0110.00315.16
7.0.290.0060.00915.19
7.0.280.0090.00615.30
7.0.270.0140.00015.35
7.0.260.0030.01015.40
7.0.250.0090.00315.29
7.0.240.0060.00615.48
7.0.230.0040.01215.53
7.0.220.0040.00715.59
7.0.210.0030.00615.50
7.0.200.0850.01115.20
7.0.190.1030.00915.26
7.0.180.0820.00814.87
7.0.170.1080.01214.94
7.0.160.1150.01015.03
7.0.150.1000.00714.84
7.0.140.1450.01514.79
7.0.130.1130.00914.87
7.0.120.1290.00714.94
7.0.110.1400.01014.95
7.0.100.1590.00515.03
7.0.90.1500.01015.00
7.0.80.1470.01414.88
7.0.70.1470.00514.97
7.0.60.1600.00815.00
7.0.50.1520.01214.91
7.0.40.1660.00813.91
7.0.30.1680.00414.00
7.0.20.1530.01014.09
7.0.10.1630.00814.02
7.0.00.1530.01014.16
5.6.400.0030.01014.25
5.6.390.0030.00914.55
5.6.380.0030.01214.14
5.6.370.0070.01014.43
5.6.360.0080.00514.66
5.6.350.0060.00314.41
5.6.340.0080.00414.37
5.6.330.0000.01314.17
5.6.320.0030.00914.53
5.6.310.0090.00014.39
5.6.300.0000.00914.32
5.6.290.0060.00614.37
5.6.280.0130.00014.51
5.6.270.0040.01114.53
5.6.260.0100.00714.18
5.6.250.0090.00014.18
5.6.240.0060.00314.29
5.6.230.0090.00614.20
5.6.220.0040.01114.00
5.6.210.0030.01714.23
5.6.200.0040.00814.19
5.6.190.0120.00314.42
5.6.180.0030.01014.46
5.6.170.0070.01014.61
5.6.160.0040.01114.25
5.6.150.0100.00314.20
5.6.140.0030.01314.50
5.6.130.0100.00314.26
5.6.120.0070.00714.59
5.6.110.0030.01014.39
5.6.100.0000.01414.32
5.6.90.0080.00314.29
5.6.80.0090.00614.12
5.6.70.0070.00714.55
5.6.60.0000.01114.32
5.6.50.0040.00714.34
5.6.40.0030.01114.55
5.6.30.0040.00814.17
5.6.20.0120.00014.57
5.6.10.0030.01014.11
5.6.00.0030.00514.22

preferences:
56.49 ms | 401 KiB | 5 Q