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 "A match was not found."; } 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)
8.5.80.0100.00617.30
8.5.70.0100.00717.07
8.5.60.0120.00916.89
8.5.50.0110.00716.98
8.5.30.0100.00919.68
8.5.20.0100.00819.46
8.5.10.0140.00518.60
8.5.00.0110.01320.33
8.4.230.0040.00622.57
8.4.220.0060.00419.99
8.4.210.0150.00820.03
8.4.180.0150.00722.11
8.4.170.0150.00724.18
8.4.160.0120.01020.66
8.4.150.0070.00617.04
8.4.140.0150.00918.03
8.4.130.0090.00817.89
8.4.120.0140.00620.63
8.4.110.0040.00519.25
8.4.100.0040.00518.06
8.4.90.0090.01120.63
8.4.80.0040.00618.39
8.4.70.0050.00518.15
8.4.60.0020.00618.87
8.4.50.0080.00819.98
8.4.40.0130.00619.60
8.4.30.0060.00318.77
8.4.20.0130.00720.74
8.4.10.0030.00618.77
8.3.320.0130.00718.79
8.3.310.0080.00718.95
8.3.300.0110.00921.00
8.3.290.0130.00721.00
8.3.280.0100.01018.63
8.3.270.0130.00816.89
8.3.260.0120.00717.10
8.3.250.0130.00618.94
8.3.240.0120.00716.97
8.3.230.0100.00916.79
8.3.220.0110.00819.13
8.3.210.0130.00816.90
8.3.200.0040.00516.74
8.3.190.0080.01117.30
8.3.180.0120.00718.49
8.3.170.0130.00718.92
8.3.160.0000.01118.91
8.3.150.0160.00319.09
8.3.140.0120.00318.96
8.3.130.0030.00618.54
8.3.120.0130.00318.96
8.3.110.0060.00318.65
8.3.100.0040.01118.75
8.3.90.0050.00326.77
8.3.80.0000.01017.02
8.3.70.0110.00416.88
8.3.60.0180.00617.00
8.3.50.0190.00316.92
8.3.40.0130.00319.21
8.3.30.0070.00719.19
8.3.20.0000.00924.18
8.3.10.0040.00424.66
8.3.00.0090.00026.16
8.2.320.0100.00918.35
8.2.310.0160.00718.33
8.2.300.0110.01023.90
8.2.290.0100.00817.31
8.2.280.0040.00518.77
8.2.270.0070.00419.11
8.2.260.0080.01119.13
8.2.250.0060.00318.49
8.2.240.0100.01019.08
8.2.230.0100.01020.94
8.2.220.0130.00724.06
8.2.210.0030.00626.77
8.2.200.0060.00316.75
8.2.190.0180.00016.88
8.2.180.0180.00025.92
8.2.170.0040.01119.20
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0060.00622.29
8.2.100.0030.00619.11
8.1.340.0070.00418.05
8.1.330.0080.00216.53
8.1.320.0100.01116.63
8.1.310.0120.00617.14
8.1.300.0110.01118.38
8.1.290.0040.00430.84
8.1.280.0040.01525.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0070.00418.75
8.1.230.0030.00622.47
7.2.00.0050.00318.67

preferences:
52.53 ms | 907 KiB | 5 Q