3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new \SimpleXMLElement(' <blog-post> <dc:tag xmlns:dc="http://purl.org/dc/elements/1.1/"/> </blog-post>' ); var_dump(isset($xml->tag));

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)
8.4.120.0120.00720.71
8.4.110.0120.00920.72
8.4.100.0140.00618.93
8.4.90.0140.00719.07
8.4.80.0050.00519.16
8.4.70.0130.00717.97
8.4.60.0140.00818.89
8.4.50.0080.01120.50
8.4.40.0160.00619.39
8.4.30.0090.00919.38
8.4.20.0000.01619.44
8.4.10.0030.00619.60
8.3.250.0120.00819.15
8.3.240.0120.00716.54
8.3.230.0100.01116.57
8.3.220.0130.00619.29
8.3.210.0130.00816.88
8.3.200.0080.00116.77
8.3.190.0100.00917.09
8.3.180.0090.00618.34
8.3.170.0060.01217.16
8.3.160.0090.00918.70
8.3.150.0090.00916.63
8.3.140.0090.00919.05
8.3.130.0050.00518.53
8.3.120.0030.00619.14
8.3.110.0090.00320.94
8.3.100.0000.00924.06
8.3.90.0030.00526.77
8.3.80.0060.00317.97
8.3.70.0090.00916.75
8.3.60.0070.00716.86
8.3.50.0130.00722.00
8.3.40.0070.00719.02
8.3.30.0090.00918.79
8.3.20.0050.00318.85
8.3.10.0080.00021.85
8.3.00.0080.00021.98
8.2.290.0100.00820.75
8.2.280.0110.01118.36
8.2.270.0110.00717.68
8.2.260.0070.01116.68
8.2.250.0040.00416.91
8.2.240.0090.00019.50
8.2.230.0090.00022.58
8.2.220.0190.00037.54
8.2.210.0070.00726.77
8.2.200.0030.00618.91
8.2.190.0070.00716.63
8.2.180.0040.01116.88
8.2.170.0100.00722.96
8.2.160.0080.00622.38
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00822.34
8.2.120.0050.00326.35
8.2.110.0030.00619.56
8.2.100.0040.00817.97
8.2.90.0050.00517.88
8.2.80.0030.00517.97
8.2.70.0050.00518.18
8.2.60.0050.00219.51
8.2.50.0030.00618.10
8.2.40.0060.00320.90
8.2.30.0070.00019.26
8.2.20.0070.00018.26
8.2.10.0040.00418.08
8.2.00.0030.00617.72
8.1.330.0100.00821.82
8.1.320.0130.00616.50
8.1.310.0150.00318.44
8.1.300.0030.00618.80
8.1.290.0040.00730.84
8.1.280.0100.01025.92
8.1.270.0000.00722.28
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.57
8.1.230.0080.00319.79
8.1.220.0000.00917.78
8.1.210.0060.00318.77
8.1.200.0060.00317.47
8.1.190.0040.00417.36
8.1.180.0060.00318.66
8.1.170.0030.00618.74
8.1.160.0040.00422.34
8.1.150.0000.00719.05
8.1.140.0040.00419.65
8.1.130.0000.00717.78
8.1.120.0060.00317.62
8.1.110.0050.00317.62
8.1.100.0030.00517.53
8.1.90.0000.00717.64
8.1.80.0040.00417.49
8.1.70.0040.00417.63
8.1.60.0030.00617.64
8.1.50.0040.00417.68
8.1.40.0000.00917.67
8.1.30.0000.00917.88
8.1.20.0000.00717.79
8.1.10.0000.00817.76
8.1.00.0030.00617.66
8.0.300.0040.00418.77
8.0.290.0000.00716.72
8.0.280.0000.00718.54
8.0.270.0070.00017.43
8.0.260.0030.00317.39
8.0.250.0060.00017.16
8.0.240.0000.00817.13
8.0.230.0000.00717.07
8.0.220.0070.00017.09
8.0.210.0000.00716.93
8.0.200.0060.00017.02
8.0.190.0040.00417.12
8.0.180.0000.00716.98
8.0.170.0050.00317.11
8.0.160.0040.00417.04
8.0.150.0040.00416.92
8.0.140.0000.00717.00
8.0.130.0000.00713.43
8.0.120.0050.00316.94
8.0.110.0080.00016.98
8.0.100.0000.00716.90
8.0.90.0040.00416.89
8.0.80.0090.01216.89
8.0.70.0030.00517.07
8.0.60.0040.00416.85
8.0.50.0070.00016.89
8.0.30.0080.01217.25
8.0.20.0130.00617.40
8.0.10.0030.00417.02
8.0.00.0060.01616.83
7.4.330.0050.00015.55
7.4.320.0030.00316.50
7.4.300.0060.00016.67
7.4.290.0030.00316.61
7.4.280.0060.00316.73
7.4.270.0070.00016.51
7.4.260.0030.00316.55
7.4.250.0030.00316.54
7.4.240.0050.00216.61
7.4.230.0070.00016.84
7.4.220.0070.01116.69
7.4.210.0090.00816.74
7.4.200.0000.00716.67
7.4.160.0100.00416.66
7.4.150.0030.01517.40
7.4.140.0080.01517.86
7.4.130.0090.00816.66
7.4.120.0100.00916.47
7.4.110.0110.01116.66
7.4.100.0080.01216.87
7.4.90.0150.00316.68
7.4.80.0130.01019.39
7.4.70.0120.00616.60
7.4.60.0040.01116.75
7.4.50.0090.00616.59
7.4.40.0130.01016.61
7.4.30.0120.00616.48
7.4.00.0040.01215.07
7.3.330.0020.00213.25
7.3.320.0020.00213.17
7.3.310.0000.00716.27
7.3.300.0070.00016.32
7.3.290.0000.00716.36
7.3.280.0110.00916.33
7.3.270.0030.01417.40
7.3.260.0120.00516.75
7.3.250.0080.01316.49
7.3.240.0160.00516.37
7.3.230.0060.00916.44
7.3.210.0040.01816.27
7.3.200.0130.00416.21
7.3.190.0030.01516.48
7.3.180.0080.01116.65
7.3.170.0070.01416.43
7.3.160.0090.00916.51
7.2.330.0110.00716.83
7.2.320.0110.00616.53
7.2.310.0100.01316.58
7.2.300.0140.00416.89
7.2.290.0110.00716.95
7.2.60.0000.01216.87
7.2.00.0070.01019.68
7.1.200.0060.00915.61
7.1.100.0060.00618.39
7.1.70.0040.00417.23
7.1.60.0000.01116.86
7.1.50.0030.01316.97
7.1.00.0030.07722.54
7.0.200.0110.00014.67
7.0.120.0100.06720.30
7.0.110.0130.07720.30
7.0.100.0100.08320.48
7.0.90.0200.05320.43
7.0.80.0300.04320.34
7.0.70.0130.05720.33
7.0.60.0170.07720.37
7.0.50.0370.07320.32
7.0.40.0430.05320.35
7.0.30.0430.07320.38
7.0.20.0400.06320.34
7.0.10.0370.08020.38
7.0.00.0430.05020.29
5.6.270.0130.06721.16
5.6.260.0270.07321.00
5.6.250.0070.06721.11
5.6.240.0230.05020.96
5.6.230.0170.06721.06
5.6.220.0170.05321.04
5.6.210.0070.09721.11
5.6.200.0100.06321.07
5.6.190.0100.06721.03
5.6.180.0300.05320.89
5.6.170.0130.06021.02
5.6.160.0170.05321.06
5.6.150.0030.07021.11
5.6.140.0170.05721.00
5.6.130.0130.05721.10
5.6.120.0270.04721.07
5.6.110.0170.05321.06
5.6.100.0100.06321.04
5.6.90.0130.05720.97
5.6.80.0230.04720.29
5.6.70.0130.06020.29
5.6.60.0130.08020.49
5.6.50.0070.05720.49
5.6.40.0100.05720.42
5.6.30.0100.08020.42
5.6.20.0130.08020.41
5.6.10.0170.06020.37
5.6.00.0170.05020.45

preferences:
26.44 ms | 403 KiB | 5 Q