3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($str) { return preg_replace('/(.)\1*/e', 'strlen($0) . $1', $str); } function decode($str) { return preg_replace('/(\d+)(\D)/e', 'str_repeat($2, $1)', $str); } echo encode('WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW'), "\n"; echo decode('12W1B12W3B24W1B14W'), "\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)
8.3.60.0110.00418.55
8.3.50.0130.00321.27
8.3.40.0140.00418.57
8.3.30.0060.01020.17
8.3.20.0090.00020.34
8.3.10.0040.00421.96
8.3.00.0030.00622.40
8.2.180.0070.00716.32
8.2.170.0100.00722.96
8.2.160.0030.01021.89
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0070.00020.75
8.2.110.0120.00621.10
8.2.100.0080.00317.72
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0000.00917.80
8.2.50.0040.00418.10
8.2.40.0040.00418.21
8.2.30.0000.00719.50
8.2.20.0040.00417.60
8.2.10.0030.00617.48
8.2.00.0030.00717.52
8.1.280.0120.00925.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00619.57
8.1.230.0080.00317.45
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0050.00317.00
8.1.180.0000.00818.10
8.1.170.0000.00718.62
8.1.160.0090.00018.82
8.1.150.0040.00418.41
8.1.140.0040.00417.39
8.1.130.0080.00017.73
8.1.120.0030.00317.36
8.1.110.0030.00317.30
8.1.100.0000.00717.34
8.1.90.0050.00317.33
8.1.80.0000.00717.33
8.1.70.0030.00317.25
8.1.60.0030.00617.58
8.1.50.0040.00417.52
8.1.40.0030.00717.34
8.1.30.0000.00717.58
8.1.20.0000.00817.57
8.1.10.0050.00317.37
8.1.00.0000.00717.27
8.0.300.0050.00218.77
8.0.290.0000.00916.63
8.0.280.0040.00418.45
8.0.270.0000.00717.21
8.0.260.0030.00316.79
8.0.250.0070.00016.99
8.0.240.0040.00416.93
8.0.230.0000.00716.97
8.0.220.0070.00016.84
8.0.210.0000.00716.70
8.0.200.0000.00716.91
8.0.190.0070.00016.88
8.0.180.0000.00716.75
8.0.170.0040.00416.82
8.0.160.0040.00416.80
8.0.150.0000.00716.77
8.0.140.0000.01016.70
8.0.130.0000.00613.24
8.0.120.0000.00816.79
8.0.110.0070.00016.77
8.0.100.0060.00316.78
8.0.90.0050.00216.70
8.0.80.0060.00916.84
8.0.70.0080.00016.90
8.0.60.0040.00416.90
8.0.50.0040.00416.67
8.0.30.0090.01016.99
8.0.20.0090.00917.40
8.0.10.0000.00816.79
8.0.00.0120.00716.71
7.4.330.0050.00016.70
7.4.320.0030.00316.34
7.4.300.0060.00016.46
7.4.290.0000.00716.53
7.4.280.0070.00016.29
7.4.270.0070.00016.55
7.4.260.0040.00413.23
7.4.250.0030.00616.26
7.4.240.0020.00516.49
7.4.230.0000.00816.34
7.4.220.0070.01416.49
7.4.210.0060.00916.47
7.4.200.0080.00016.53
7.4.190.0000.00616.43
7.4.160.0200.00316.30
7.4.150.0130.00717.40
7.4.140.0070.01017.86
7.4.130.0110.00616.46
7.4.120.0120.00416.38
7.4.110.0100.00716.51
7.4.100.0090.01216.61
7.4.90.0100.00716.53
7.4.80.0110.00519.39
7.4.70.0130.00616.40
7.4.60.0060.00916.31
7.4.50.0040.00416.20
7.4.40.0080.00622.77
7.4.30.0140.00716.38
7.4.00.0140.00315.03
7.3.330.0000.00513.32
7.3.320.0000.00613.16
7.3.310.0040.00416.29
7.3.300.0070.00016.25
7.3.290.0060.00916.29
7.3.280.0060.01216.31
7.3.270.0110.00717.40
7.3.260.0140.01016.54
7.3.250.0060.01516.45
7.3.240.0080.00816.27
7.3.230.0060.01116.48
7.3.210.0050.01316.59
7.3.200.0080.00819.39
7.3.190.0130.01016.63
7.3.180.0130.00616.36
7.3.170.0070.01316.43
7.3.160.0080.00816.48
7.3.120.0060.00914.76
7.3.10.0100.00616.09
7.3.00.0070.01316.11
7.2.330.0090.00916.54
7.2.320.0070.01016.57
7.2.310.0060.01816.55
7.2.300.0130.00716.73
7.2.290.0080.01116.69
7.2.130.0140.00616.66
7.2.120.0190.00316.86
7.2.110.0140.00716.64
7.2.100.0080.00316.64
7.2.90.0030.01416.68
7.2.80.0040.01416.72
7.2.70.0240.01016.75
7.2.60.0120.00616.78
7.2.50.0170.00916.86
7.2.40.0210.01316.64
7.2.30.0200.00716.53
7.2.20.0120.01016.52
7.2.10.0180.00716.41
7.2.00.0180.00718.23
7.1.250.0040.01515.70
7.1.200.0000.00915.90
7.1.70.0040.00417.23
7.1.60.0060.00617.15
7.1.50.0030.01717.14
7.1.00.0000.03722.29
7.0.200.0080.00616.59
7.0.140.0070.07022.09
7.0.70.0130.03321.66
7.0.60.0000.03721.79
7.0.50.0000.04022.07
7.0.40.0000.06320.04
7.0.30.0000.06019.96
7.0.20.0000.08719.96
7.0.10.0070.05020.04
7.0.00.0100.03320.04
5.6.280.0130.06321.04
5.6.220.0030.05320.74
5.6.210.0070.04020.46
5.6.200.0000.04321.14
5.6.190.0070.07321.03
5.6.180.0030.04021.03
5.6.170.0000.04321.05
5.6.160.0070.03721.11
5.6.150.0100.03320.98
5.6.140.0030.05720.94
5.6.130.0000.07021.03
5.6.120.0030.04021.10
5.6.110.0030.04021.13
5.6.100.0070.04721.02
5.6.90.0030.05021.03
5.6.80.0030.07720.40
5.6.70.0030.03720.50
5.6.60.0070.03320.39
5.6.50.0030.04020.41
5.6.40.0030.04720.46
5.6.30.0030.07320.34
5.6.20.0030.07020.43
5.6.10.0000.05020.45
5.6.00.0030.07020.30
5.5.360.0070.03020.41
5.5.350.0000.09020.37
5.5.340.0030.04020.78
5.5.330.0030.06720.89
5.5.320.0030.04020.93
5.5.310.0070.04020.88
5.5.300.0000.03720.82
5.5.290.0030.04020.90
5.5.280.0030.04020.91
5.5.270.0030.04020.88
5.5.260.0030.06320.86
5.5.250.0030.07320.64
5.5.240.0000.04720.30
5.5.230.0000.04020.29
5.5.220.0000.04320.11
5.5.210.0000.04020.30
5.5.200.0070.05320.16
5.5.190.0070.07720.12
5.5.180.0070.07720.27
5.5.160.0070.07720.24
5.5.150.0070.07720.15
5.5.140.0030.08720.13
5.5.130.0000.06020.09
5.5.120.0000.07320.11
5.5.110.0030.08320.20
5.5.100.0030.07020.05
5.5.90.0000.06020.11
5.5.80.0030.06019.98
5.5.70.0070.08020.08
5.5.60.0100.07320.04
5.5.50.0000.07020.10
5.5.40.0030.07720.08
5.5.30.0070.08020.05
5.5.20.0100.07320.09
5.5.10.0070.07720.04
5.5.00.0100.05720.03
5.4.450.0000.08319.21
5.4.440.0030.04719.38
5.4.430.0030.04019.36
5.4.420.0030.04319.44
5.4.410.0100.02319.42
5.4.400.0000.03719.16
5.4.390.0000.03719.13
5.4.380.0030.03319.04
5.4.370.0000.03019.14
5.4.360.0000.07719.18
5.4.350.0030.05019.12
5.4.340.0070.07719.25
5.4.320.0000.05719.05
5.4.310.0130.07019.16
5.4.300.0000.08019.13
5.4.290.0100.07019.20
5.4.280.0000.08319.12
5.4.270.0100.06718.94
5.4.260.0070.07719.20
5.4.250.0070.07319.12
5.4.240.0000.08319.02
5.4.230.0030.06718.86
5.4.220.0030.06019.17
5.4.210.0030.07319.09
5.4.200.0070.06319.16
5.4.190.0000.08019.12
5.4.180.0070.06019.08
5.4.170.0130.07019.08
5.4.160.0030.08018.85
5.4.150.0100.06319.16
5.4.140.0030.07016.52
5.4.130.0100.06316.52
5.4.120.0000.05716.33
5.4.110.0070.07016.56
5.4.100.0130.06316.52
5.4.90.0030.07316.49
5.4.80.0000.07716.38
5.4.70.0100.05316.54
5.4.60.0000.04716.34
5.4.50.0000.06716.49
5.4.40.0100.06316.50
5.4.30.0070.07316.33
5.4.20.0030.07716.40
5.4.10.0100.06716.50
5.4.00.0030.07315.94
5.3.290.0100.06715.73
5.3.280.0070.07315.73
5.3.270.0070.07015.73
5.3.260.0030.04715.73
5.3.250.0030.07715.73
5.3.240.0070.07015.73
5.3.230.0070.07315.73
5.3.220.0070.07015.73
5.3.210.0000.08015.73
5.3.200.0030.07715.73
5.3.190.0070.07015.73
5.3.180.0030.07715.73
5.3.170.0000.07315.73
5.3.160.0070.07715.73
5.3.150.0000.08315.73
5.3.140.0030.07015.73
5.3.130.0000.07715.73
5.3.120.0030.07715.73
5.3.110.0070.07715.73
5.3.100.0070.07315.73
5.3.90.0030.06715.73
5.3.80.0030.07315.73
5.3.70.0030.07315.73
5.3.60.0030.07315.73
5.3.50.0030.07315.73
5.3.40.0000.08015.73
5.3.30.0100.05715.73
5.3.20.0000.05015.73
5.3.10.0070.06315.73
5.3.00.0000.07315.73
5.2.170.0070.06315.73
5.2.160.0000.06315.73
5.2.150.0030.06015.73
5.2.140.0070.06315.73
5.2.130.0000.05315.73
5.2.120.0070.04315.73
5.2.110.0030.06315.73
5.2.100.0030.06315.73
5.2.90.0100.03715.73
5.2.80.0030.03715.73
5.2.70.0030.06315.73
5.2.60.0000.06715.73
5.2.50.0000.06715.73
5.2.40.0030.05715.73
5.2.30.0030.06015.73
5.2.20.0070.05715.73
5.2.10.0030.06015.73
5.2.00.0030.06015.73
5.1.60.0000.05715.73
5.1.50.0070.04715.73
5.1.40.0030.05315.73
5.1.30.0000.06015.73
5.1.20.0070.05315.73
5.1.10.0070.05315.73
5.1.00.0070.05315.73
5.0.50.0030.04315.73
5.0.40.0030.04315.73
5.0.30.0000.07015.73
5.0.20.0030.04315.73
5.0.10.0000.04715.73
5.0.00.0030.06315.73
4.4.90.0070.03315.73
4.4.80.0000.03015.73
4.4.70.0070.03015.73
4.4.60.0030.02715.73
4.4.50.0000.03715.73
4.4.40.0000.05315.73
4.4.30.0030.03715.73
4.4.20.0030.03315.73
4.4.10.0000.03715.73
4.4.00.0030.05315.73
4.3.110.0000.03715.73
4.3.100.0000.03015.73
4.3.90.0070.02715.73
4.3.80.0070.05315.73
4.3.70.0000.03315.73
4.3.60.0070.03015.73
4.3.50.0030.03315.73
4.3.40.0000.05715.73
4.3.30.0000.03715.73
4.3.20.0030.03715.73
4.3.10.0000.03715.73
4.3.00.0000.03315.73

preferences:
39.01 ms | 401 KiB | 5 Q