3v4l.org

run code in 500+ PHP versions simultaneously
<?php $txt = 'dog.cat' . str_repeat('.dog.cat', 815); for ($i = 0; $i < 5; ++$i) { $txt .= '.dog.cat'; echo count(explode('.', $txt)) . "\n"; echo strlen($txt) . "\n"; if (preg_match("/[a-z]+(\.[a-z]+)*/i", $txt, $match)) { echo "A match was found." . strlen($match[0]); } else { echo preg_last_error(); } echo "\n---\n"; }

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)
8.5.80.0110.00817.36
8.5.70.0040.00417.15
8.5.60.0100.00817.33
8.5.50.0050.00217.00
8.5.30.0100.01019.82
8.5.20.0090.00919.61
8.5.10.0110.01118.64
8.5.00.0120.01020.17
8.4.230.0050.00420.10
8.4.220.0020.00720.00
8.4.210.0120.01220.05
8.4.180.0120.00825.75
8.4.170.0150.00920.00
8.4.160.0040.00723.99
8.4.150.0070.00617.04
8.4.140.0140.00818.02
8.4.130.0110.01118.02
8.4.120.0110.01020.79
8.4.110.0140.00618.96
8.4.100.0120.01017.90
8.4.90.0140.00720.86
8.4.80.0130.00818.91
8.4.70.0130.00918.86
8.4.60.0090.01218.86
8.4.50.0140.00718.81
8.4.40.0150.00719.50
8.4.30.0030.00620.59
8.4.20.0030.00620.69
8.4.10.0030.00618.82
8.3.320.0100.00918.79
8.3.310.0110.00918.91
8.3.300.0110.01020.78
8.3.290.0100.01121.04
8.3.280.0140.00718.61
8.3.270.0080.01116.92
8.3.260.0170.00416.87
8.3.250.0100.00519.21
8.3.240.0110.00918.89
8.3.230.0100.00916.89
8.3.220.0110.00719.22
8.3.210.0160.00418.65
8.3.200.0060.00316.96
8.3.190.0090.01017.40
8.3.180.0090.01016.99
8.3.170.0110.00718.98
8.3.160.0110.00018.66
8.3.150.0160.00317.12
8.3.140.0000.00919.07
8.3.130.0040.00418.66
8.3.120.0000.00819.13
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0030.00526.77
8.3.80.0070.00319.36
8.3.70.0070.01317.13
8.3.60.0030.01917.13
8.3.50.0120.00916.70
8.3.40.0090.00619.05
8.3.30.0040.01119.01
8.3.20.0030.00624.18
8.3.10.0000.00824.66
8.3.00.0000.00826.16
8.2.320.0130.00918.44
8.2.310.0130.00720.08
8.2.300.0100.01119.11
8.2.290.0110.00917.52
8.2.280.0080.00218.75
8.2.270.0150.00318.95
8.2.260.0090.00918.28
8.2.250.0050.00318.67
8.2.240.0060.00318.88
8.2.230.0060.00322.58
8.2.220.0000.00837.54
8.2.210.0150.00326.77
8.2.200.0090.00018.88
8.2.190.0110.00417.00
8.2.180.0110.00725.92
8.2.170.0090.00619.29
8.2.160.0040.01122.96
8.2.150.0080.00025.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00819.64
8.2.110.0070.00320.56
8.2.100.0030.00619.27
8.1.340.0110.01018.10
8.1.330.0050.00516.58
8.1.320.0130.00616.46
8.1.310.0120.00618.81
8.1.300.0120.00318.25
8.1.290.0050.00530.84
8.1.280.0090.00625.92
8.1.270.0000.00824.10
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00719.04
8.1.230.0070.00322.13
7.3.330.0090.00119.24
7.2.340.0080.00317.89
7.2.00.0030.00518.70
5.5.380.0180.01019.93

preferences:
79.42 ms | 920 KiB | 5 Q