3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Run { public static function indexOfLongestRun($str) { echo strlen($str); $longest = array( 'pos' => 0, 'char' => NULL, 'run' => 0 ); $prev = NULL; $c_run = 0; foreach (str_split($str) as $pos => $char) { $c_run++; if (is_null($prev)) { $prev = $char; $longest['char'] = $char; } if ($prev != $char) { if ($c_run > $longest['run']) { $longest['char'] = $char; $longest['run'] = $c_run; $longest['pos'] = $pos - $c_run; } $c_run = 0; } $prev = $char; } return $longest['pos']; } } echo Run::indexOfLongestRun('abbcccddddcccbba');

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)
8.3.60.0070.01016.50
8.3.50.0100.00318.30
8.3.40.0130.00718.89
8.3.30.0070.00718.71
8.3.20.0030.00620.00
8.3.10.0050.00323.48
8.3.00.0080.00019.25
8.2.180.0090.00916.63
8.2.170.0090.01222.96
8.2.160.0070.00720.52
8.2.150.0120.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00417.38
8.2.120.0040.00426.35
8.2.110.0000.00919.08
8.2.100.0080.00417.75
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0040.00417.62
8.2.60.0030.00517.91
8.2.50.0000.00818.07
8.2.40.0030.00619.05
8.2.30.0070.00020.56
8.2.20.0050.00317.76
8.2.10.0040.00418.04
8.2.00.0000.00818.05
8.1.280.0170.00825.92
8.1.270.0040.00422.24
8.1.260.0080.00028.09
8.1.250.0100.00028.09
8.1.240.0090.00022.76
8.1.230.0080.00417.48
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.36
8.1.190.0060.00317.70
8.1.180.0050.00318.10
8.1.170.0040.00418.75
8.1.160.0000.00721.90
8.1.150.0000.00718.94
8.1.140.0000.00717.42
8.1.130.0000.00717.65
8.1.120.0040.00417.46
8.1.110.0040.00417.37
8.1.100.0100.00017.50
8.1.90.0000.01017.49
8.1.80.0030.00517.38
8.1.70.0000.00717.43
8.1.60.0090.00017.63
8.1.50.0000.00817.54
8.1.40.0050.00317.48
8.1.30.0040.00417.63
8.1.20.0040.00417.55
8.1.10.0040.00417.66
8.1.00.0040.00717.57
8.0.300.0030.00518.77
8.0.290.0080.00016.63
8.0.280.0040.00418.38
8.0.270.0000.00716.86
8.0.260.0040.00417.18
8.0.250.0070.00016.88
8.0.240.0030.00616.96
8.0.230.0000.00716.98
8.0.220.0030.00416.94
8.0.210.0050.00316.89
8.0.200.0000.00716.86
8.0.190.0000.00716.84
8.0.180.0070.00016.81
8.0.170.0030.00516.91
8.0.160.0000.00716.84
8.0.150.0040.00416.74
8.0.140.0000.00816.80
8.0.130.0050.00013.35
8.0.120.0000.00816.85
8.0.110.0080.00016.74
8.0.100.0040.00416.78
8.0.90.0040.00416.96
8.0.80.0120.00416.82
8.0.70.0040.00417.02
8.0.60.0000.00816.97
8.0.50.0080.00016.68
8.0.30.0060.01117.19
8.0.20.0090.01017.40
8.0.10.0000.00717.03
8.0.00.0100.00916.94
7.4.330.0060.00016.67
7.4.320.0000.00716.45
7.4.300.0040.00416.52
7.4.290.0030.00616.42
7.4.280.0050.00316.51
7.4.270.0030.00316.50
7.4.260.0080.00016.61
7.4.250.0000.00816.53
7.4.240.0050.00216.56
7.4.230.0050.00316.68
7.4.220.0150.00916.56
7.4.210.0050.01216.58
7.4.200.0030.00316.59
7.4.160.0130.00316.43
7.4.150.0110.00817.40
7.4.140.0150.00717.86
7.4.130.0110.00816.59
7.4.120.0080.00916.55
7.4.110.0140.00316.31
7.4.100.0030.01416.56
7.4.90.0120.00416.49
7.4.80.0080.00819.39
7.4.70.0100.01116.60
7.4.60.0090.01216.32
7.4.50.0070.00716.67
7.4.40.0080.01116.24
7.4.30.0030.01316.51
7.4.00.0060.00615.03
7.3.330.0050.00013.37
7.3.320.0000.00613.19
7.3.310.0000.00716.36
7.3.300.0000.00616.37
7.3.290.0070.00016.30
7.3.280.0090.00616.37
7.3.270.0130.00317.40
7.3.260.0060.01316.42
7.3.250.0090.00816.53
7.3.240.0070.00916.51
7.3.230.0130.00916.39
7.3.210.0030.01316.60
7.3.200.0120.00816.34
7.3.190.0070.01016.36
7.3.180.0070.01016.63
7.3.170.0100.00916.51
7.3.160.0060.01016.60
7.2.330.0110.01116.73
7.2.320.0150.00316.77
7.2.310.0100.01316.68
7.2.300.0070.01016.59
7.2.290.0090.01216.64
7.2.00.0000.01419.57
7.1.200.0100.00316.05
7.1.100.0080.00318.12
7.1.70.0040.00417.09
7.1.60.0170.00719.36
7.1.50.0110.01116.95
7.1.00.0000.08022.45
7.0.200.0000.00716.92
7.0.60.0000.04319.91
7.0.50.0170.07317.97
7.0.40.0170.08020.10
7.0.30.0400.05020.08
7.0.20.0330.05720.15
7.0.10.0100.09020.19
7.0.00.0070.05020.32
5.6.280.0000.03320.99
5.6.210.0170.04020.64
5.6.200.0070.06718.18
5.6.190.0030.04320.39
5.6.180.0400.05320.77
5.6.170.0170.04320.52
5.6.160.0030.04020.48
5.6.150.0130.06318.25
5.6.140.0100.03318.14
5.6.130.0070.07718.17
5.6.120.0170.07320.89
5.6.110.0070.08020.98
5.6.100.0100.05020.97
5.6.90.0130.05320.88
5.6.80.0070.07720.38
5.5.350.0270.07320.34
5.5.340.0070.03718.07
5.5.330.0130.08320.41
5.5.320.0000.05320.31
5.5.310.0170.04720.26
5.5.300.0100.08017.92
5.5.290.0030.04018.03
5.5.280.0070.08020.76
5.5.270.0070.08720.96
5.5.260.0070.05020.95
5.5.250.0100.07720.46
5.5.240.4170.03720.04

preferences:
57.91 ms | 400 KiB | 5 Q