3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '<var>One</var> <var>Two</var>'; // Works fine ($domA = new DOMDocument('1.0', 'UTF-8'))->loadHTML($a); foreach ((new DOMXPath($domA))->query('//var') as $var) { $var->replaceWith($domA->createElement('p', $var->nodeValue)); } var_dump($domA->saveHTML()); $b = '<var>One</var><var>Two</var>'; // Causes a 'double free' error ($domB = new DOMDocument('1.0', 'UTF-8'))->loadHTML($b); foreach ((new DOMXPath($domB))->query('//var') as $var) { $var->replaceWith($domB->createElement('p', $var->nodeValue)); } var_dump($domB->saveHTML());

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)
8.4.120.0080.01121.10
8.4.110.0140.00622.95
8.4.100.0100.01019.28
8.4.90.0040.00519.03
8.4.80.0110.00820.80
8.4.70.0130.00618.20
8.4.60.0090.00719.02
8.4.50.0140.00619.01
8.4.40.0070.01424.36
8.4.30.0140.00720.51
8.4.20.0200.00018.33
8.4.10.0170.00322.31
8.3.250.0150.00419.26
8.3.240.0110.00817.70
8.3.230.0120.00717.11
8.3.220.0100.00519.45
8.3.210.0130.00618.80
8.3.200.0030.00616.86
8.3.190.0050.00317.64
8.3.180.0060.00217.66
8.3.170.0070.01119.18
8.3.160.0100.00917.73
8.3.150.0060.01217.89
8.3.140.0190.00017.16
8.3.130.0030.00717.05
8.3.120.0040.01221.16
8.3.110.0040.00417.00
8.3.100.0030.00616.95
8.3.90.0130.00326.77
8.3.80.0030.00616.88
8.3.70.0120.00617.25
8.3.60.0110.00418.93
8.3.50.0090.00620.47
8.3.40.0040.01122.14
8.3.30.0120.00619.22
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0030.00526.16
8.2.290.0120.00820.79
8.2.280.0130.00818.79
8.2.270.0090.00919.73
8.2.260.0000.01517.04
8.2.250.0040.00417.03
8.2.240.0000.00817.54
8.2.230.0030.00622.58
8.2.220.0000.00924.06
8.2.210.0040.01126.77
8.2.200.0080.00617.13
8.2.190.0090.00916.98
8.2.180.0030.01225.92
8.2.170.0090.00919.33
8.2.160.0100.00722.96
8.2.150.0000.00725.66
8.2.140.0090.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00021.47
8.2.110.0060.00322.76
8.2.100.0040.01218.04
8.2.90.0000.00818.00
8.2.80.0040.00419.19
8.2.70.0040.00418.00
8.2.60.0060.00317.88
8.2.50.0040.00417.98
8.2.40.0000.00720.16
8.2.30.0000.00718.50
8.2.20.0030.00320.85
8.2.10.0030.00318.69
8.2.00.0000.00819.79
8.1.330.0150.00422.20
8.1.320.0120.00816.46
8.1.310.0040.00417.19
8.1.300.0030.01319.00
8.1.290.0030.00630.84
8.1.280.0140.00425.92
8.1.270.0070.01322.37
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0050.00519.51
8.1.230.0080.00423.00
8.1.220.0000.00819.06
8.1.210.0030.00518.77
8.1.200.0090.00017.61
8.1.190.0100.00823.15
8.1.180.0180.00223.31
8.1.170.0040.00417.72
8.1.160.0050.00319.30
8.1.150.0070.00019.12
8.1.140.0070.00017.92
8.1.130.0030.00319.27
8.1.120.0030.00317.84
8.1.110.0160.00723.23
8.1.100.0040.00417.89
8.1.90.0000.00717.91
8.1.80.0080.00417.76
8.1.70.0060.00617.79
8.1.60.0090.00917.92
8.1.50.0130.00318.00
8.1.40.0150.00017.88
8.1.30.0050.01118.09
8.1.20.0130.00823.29
8.1.10.0170.00017.91
8.1.00.0170.00017.86
8.0.300.0080.00018.77
8.0.290.0040.00417.00
8.0.280.0000.00718.79
8.0.270.0030.00317.16
8.0.260.0000.00618.75
8.0.250.0070.00017.24
8.0.240.0040.00417.23
8.0.230.0000.00617.23
8.0.220.0030.00417.08
8.0.210.0090.00517.12
8.0.200.0090.00617.24
8.0.190.0120.00317.30
8.0.180.0110.00417.13
8.0.170.0120.00317.26
8.0.160.0110.00417.06
8.0.150.0080.00817.13
8.0.140.0090.00417.08
8.0.130.0050.01017.14
8.0.120.0160.00017.27
8.0.110.0070.00717.18
8.0.100.0150.00017.16
8.0.90.0120.00217.18
8.0.80.0050.01017.01
8.0.70.0090.00617.04
8.0.60.0150.00017.20
8.0.50.0100.00517.15
8.0.30.0090.00717.00
8.0.20.0100.00517.26
8.0.10.0120.00317.23
7.4.330.0000.00515.55
7.4.320.0030.00316.84
7.4.300.0120.00416.85
7.4.290.0130.00416.75
7.4.280.0120.00616.96
7.4.270.0150.00017.02
7.4.260.0130.00316.88
7.4.250.0140.00316.84
7.4.240.0090.00816.81
7.4.230.0100.00716.89
7.4.220.0090.00416.90
7.4.210.0100.00317.02
7.4.200.0120.00317.02
7.4.190.0100.00517.04
7.4.180.0090.00616.88
7.4.160.0070.00716.95
7.4.150.0100.00316.91
7.4.140.0070.00316.79
7.4.130.0110.00016.84
7.4.120.0060.00316.74
7.4.110.0070.00016.77
7.4.100.0030.00316.68
7.4.90.0050.00316.50
7.4.80.0060.00316.79
7.4.70.0020.00516.64
7.4.60.0040.00416.70
7.4.50.0060.00316.73
7.4.40.0050.00316.82
7.4.30.0000.00816.79
7.4.20.0080.00016.78
7.4.10.0060.00316.75
7.4.00.0050.00316.71

preferences:
51.06 ms | 403 KiB | 5 Q