3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = <<<TEXT rkenbgjengrnekjrgn2ioih34fnorfejk TEXT; $char = array_merge(range("a", "z"), range("A", "Z")); $length = strlen($text); $counter = array(); for($i = 0; $i < $length; $i++) { $item = $text[$i]; if (in_array($item, $char)) { $counter[$item] = isset($counter[$item]) ? $counter[$item] + 1 : 1; } } arsort($counter); var_dump($counter);

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)
8.3.40.0110.00418.71
8.3.30.0040.01118.85
8.3.20.0070.00020.29
8.3.10.0040.00423.44
8.3.00.0030.00523.66
8.2.170.0120.00322.96
8.2.160.0080.00520.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00019.84
8.2.120.0080.00026.35
8.2.110.0030.00620.40
8.2.100.0090.00317.72
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0030.00918.05
8.2.50.0040.00418.07
8.2.40.0060.00322.35
8.2.30.0030.00519.36
8.2.20.0000.00717.58
8.2.10.0040.00418.14
8.2.00.0000.00718.08
8.1.270.0000.00923.79
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0070.00323.92
8.1.230.0080.00322.15
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0070.00317.35
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0040.00418.53
8.1.160.0000.00720.77
8.1.150.0000.00718.84
8.1.140.0050.00319.50
8.1.130.0000.00817.66
8.1.120.0080.00017.42
8.1.110.0000.00717.28
8.1.100.0080.00017.45
8.1.90.0040.00417.44
8.1.80.0050.00317.28
8.1.70.0040.00417.40
8.1.60.0040.00417.54
8.1.50.0060.00317.44
8.1.40.0040.00417.46
8.1.30.0110.00017.64
8.1.20.0030.00617.50
8.1.10.0040.00417.67
8.1.00.0000.00817.53
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.27
8.0.270.0030.00317.21
8.0.260.0000.00717.21
8.0.250.0000.00716.95
8.0.240.0030.00516.94
8.0.230.0080.00016.84
8.0.220.0050.00216.81
8.0.210.0000.00716.95
8.0.200.0000.00716.91
8.0.190.0030.00617.04
8.0.180.0000.00716.99
8.0.170.0000.00816.93
8.0.160.0000.00816.91
8.0.150.0040.00416.91
8.0.140.0000.00716.86
8.0.130.0060.00013.37
8.0.120.0080.00016.86
8.0.110.0080.00016.95
8.0.100.0050.00216.74
8.0.90.0050.00217.01
8.0.80.0090.00616.93
8.0.70.0040.00416.81
8.0.60.0030.00516.91
8.0.50.0040.00416.92
8.0.30.0120.00717.09
8.0.20.0100.00817.40
8.0.10.0040.00417.00
8.0.00.0100.01216.80
7.4.330.0030.00316.78
7.4.320.0000.00616.48
7.4.300.0080.00016.52
7.4.290.0060.00316.44
7.4.280.0090.00016.56
7.4.270.0040.00416.42
7.4.260.0000.00816.54
7.4.250.0000.00816.47
7.4.240.0030.00416.45
7.4.230.0000.00816.45
7.4.220.0070.01316.53
7.4.210.0080.00716.61
7.4.200.0000.00816.30
7.4.160.0070.01016.65
7.4.150.0100.00917.40
7.4.140.0140.00817.86
7.4.130.0140.00316.52
7.4.120.0100.00616.45
7.4.110.0090.00916.34
7.4.100.0090.00916.54
7.4.90.0150.00416.54
7.4.80.0080.01119.39
7.4.70.0040.01216.38
7.4.60.0090.00916.54
7.4.50.0060.01016.59
7.4.40.0160.00016.53
7.4.30.0110.00616.45
7.4.00.0000.01615.06
7.3.330.0050.00013.15
7.3.320.0030.00313.16
7.3.310.0000.00716.44
7.3.300.0070.00016.39
7.3.290.0000.00716.32
7.3.280.0040.01316.49
7.3.270.0190.00617.40
7.3.260.0170.00716.35
7.3.250.0090.00916.42
7.3.240.0110.00616.60
7.3.230.0110.00716.39
7.3.210.0080.01616.45
7.3.200.0200.00619.39
7.3.190.0130.01016.31
7.3.180.0030.01316.52
7.3.170.0110.00616.46
7.3.160.0090.00916.41
7.3.10.0090.00616.39
7.3.00.0130.00016.64
7.2.330.0070.01016.73
7.2.320.0090.01216.48
7.2.310.0060.01216.44
7.2.300.0070.01016.72
7.2.290.0000.02116.48
7.2.130.0100.00616.83
7.2.120.0070.00716.90
7.2.110.0030.00916.80
7.2.100.0070.00717.05
7.2.90.0070.00716.78
7.2.80.0000.01516.81
7.2.70.0040.00916.84
7.2.60.0100.00517.02
7.2.50.0050.00516.94
7.2.40.0000.01616.66
7.2.30.0170.00017.01
7.2.20.0060.00616.84
7.2.10.0040.01217.07
7.2.00.0050.01018.00
7.1.250.0070.00715.83
7.1.200.0000.00715.76
7.1.100.0100.00718.24
7.1.70.0000.00917.06
7.1.60.0110.01419.30
7.1.50.0110.01116.99
7.1.00.0030.07722.25
7.0.200.0000.00716.89
7.0.60.0200.07021.66
7.0.50.0070.08717.85
7.0.40.0030.05020.20
7.0.30.0230.03720.23
7.0.20.0230.04020.00
7.0.10.0030.05720.16
7.0.00.0100.06320.34
5.6.280.0070.03320.92
5.6.210.0070.07320.70
5.6.200.0030.04718.08
5.6.190.0130.05320.61
5.6.180.0470.08020.69
5.6.170.0270.06320.40
5.6.160.0170.07720.50
5.6.150.0100.06318.13
5.6.140.0170.06318.12
5.6.130.0100.08018.21
5.6.120.0000.04721.02
5.6.110.0100.08020.95
5.6.100.0070.05321.02
5.6.90.0030.08721.00
5.6.80.0030.04020.33
5.5.350.0170.05020.48
5.5.340.0130.07317.98
5.5.330.0070.06020.06
5.5.320.0570.06720.31
5.5.310.0200.04020.28
5.5.300.0100.07018.00
5.5.290.0200.07718.00
5.5.280.0000.04320.89
5.5.270.0070.08720.64
5.5.260.0170.07020.76
5.5.250.0230.07020.46
5.5.240.0200.07720.23

preferences:
47.59 ms | 400 KiB | 5 Q