3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "ddaabbbccddda"; $most = 0; $result = []; foreach (preg_split('/(.)\K(?!\1|$)/', $string) as $set) { $length = strlen($set); if ($length === $most) { $result[] = $set; } elseif ($length > $most) { $result = [$set]; $most = $length; } } var_export($result);

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)
8.5.10.0140.00616.81
8.5.00.0160.01120.43
8.4.150.0020.00014.05
8.4.140.0140.00717.68
8.4.130.0110.01018.03
8.4.120.0120.00720.66
8.4.110.0040.00418.80
8.4.100.0120.00917.67
8.4.90.0130.00818.71
8.4.80.0030.00819.84
8.4.70.0040.00418.09
8.4.60.0080.01218.76
8.4.50.0310.01017.81
8.4.40.0320.00517.55
8.4.30.0250.00317.84
8.4.20.0250.00417.55
8.4.10.0180.00317.75
8.3.280.0020.00114.05
8.3.270.0120.01016.76
8.3.260.0040.00516.90
8.3.250.0090.00918.73
8.3.240.0120.00716.62
8.3.230.0120.00816.90
8.3.220.0040.00517.35
8.3.210.0090.00916.68
8.3.200.0050.00416.70
8.3.190.0150.00316.80
8.3.180.0040.00517.09
8.3.170.0180.00416.69
8.3.160.0140.00716.86
8.3.150.0150.00616.63
8.3.140.0140.00616.54
8.3.130.0190.00216.61
8.3.120.0120.00616.69
8.3.110.0160.00216.98
8.3.100.0180.00416.55
8.3.90.0190.00116.72
8.3.80.0210.00216.69
8.3.70.0180.00516.36
8.3.60.0150.00816.74
8.3.50.0160.00716.75
8.3.40.0180.00217.60
8.3.30.0120.00517.59
8.3.20.0180.00117.66
8.3.10.0130.00317.65
8.3.00.0070.00317.42
8.2.290.0120.00620.57
8.2.280.0130.00316.68
8.2.270.0160.00216.49
8.2.260.0140.00416.54
8.2.250.0130.00316.32
8.2.240.0130.00516.34
8.2.230.0140.00316.32
8.2.220.0150.00316.72
8.2.210.0130.00416.60
8.2.200.0140.00316.63
8.2.190.0150.00116.64
8.2.180.0120.00616.55
8.2.170.0130.00617.78
8.2.160.0130.00517.73
8.2.150.0140.00417.67
8.2.140.0140.00417.93
8.2.130.0140.00517.48
8.2.120.0170.00317.60
8.2.110.0120.00617.81
8.2.100.0110.00817.88
8.2.90.0160.00217.64
8.2.80.0130.00517.73
8.2.70.0150.00617.71
8.2.60.0150.00417.62
8.2.50.0120.00717.54
8.2.40.0130.00517.89
8.2.30.0180.00217.48
8.2.20.0140.00417.80
8.2.10.0100.00717.60
8.2.00.0100.00617.71
8.1.320.0120.00516.41

preferences:
34.99 ms | 403 KiB | 5 Q