3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nth_position($str, $letter, $n, $offset = 0){ $str_arr = str_split($str); $letter_size = array_count_values(str_split(substr($str, $offset))); if( !isset($letter_size[$letter])){ trigger_error('letter "' . $letter . '" does not exist in ' . $str . ' after ' . $offset . '. position', E_USER_WARNING); return false; } else if($letter_size[$letter] < $n) { trigger_error('letter "' . $letter . '" does not exist ' . $n .' times in ' . $str . ' after ' . $offset . '. position', E_USER_WARNING); return false; } for($i = $offset, $x = 0, $count = (count($str_arr) - $offset); $i < $count, $x != $n; $i++){ if($str_arr[$i] == $letter){ $x++; } } return $i - 1; } echo nth_position('foobarbaz', 'a', 2); //7 echo nth_position('foobarbaz', 'b', 1, 4); //6

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
8.3.50.0070.01222.04
8.3.40.0150.00018.88
8.3.30.0140.00019.09
8.3.20.0040.00420.21
8.3.10.0080.00020.52
8.3.00.0130.00319.38
8.2.180.0140.00716.88
8.2.170.0150.00622.96
8.2.160.0070.00720.39
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0050.00322.11
8.2.110.0000.00822.25
8.2.100.0040.00717.72
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0030.00617.93
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00719.17
8.2.20.0000.00817.64
8.2.10.0040.00418.01
8.2.00.0080.00017.68
8.1.280.0030.01425.92
8.1.270.0060.00323.79
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00723.91
8.1.230.0100.00018.98
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0070.00317.00
8.1.190.0000.00817.22
8.1.180.0030.00618.10
8.1.170.0040.00718.30
8.1.160.0000.00821.98
8.1.150.0000.00718.88
8.1.140.0040.00417.53
8.1.130.0030.00317.89
8.1.120.0000.00817.46
8.1.110.0040.00417.44
8.1.100.0030.00517.46
8.1.90.0000.01017.53
8.1.80.0050.00217.35
8.1.70.0040.00417.35
8.1.60.0000.00917.61
8.1.50.0000.00817.53
8.1.40.0060.00317.48
8.1.30.0050.00317.71
8.1.20.0100.00017.65
8.1.10.0040.00417.48
8.1.00.0070.00417.47
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0070.00017.26
8.0.260.0000.00717.32
8.0.250.0000.00716.94
8.0.240.0040.00417.02
8.0.230.0000.00717.01
8.0.220.0030.00316.83
8.0.210.0040.00416.88
8.0.200.0000.00616.95
8.0.190.0000.00916.97
8.0.180.0030.00516.93
8.0.170.0040.00416.77
8.0.160.0030.00317.03
8.0.150.0000.00716.72
8.0.140.0070.00016.77
8.0.130.0030.00313.32
8.0.120.0040.00416.78
8.0.110.0040.00416.93
8.0.100.0000.00716.94
8.0.90.0000.00717.02
8.0.80.0090.01016.83
8.0.70.0070.00016.89
8.0.60.0050.00216.90
8.0.50.0040.00417.01
8.0.30.0090.00917.13
8.0.20.0110.01117.40
8.0.10.0030.00617.07
8.0.00.0120.00516.97
7.4.330.0050.00015.14
7.4.320.0030.00316.48
7.4.300.0000.00716.67
7.4.290.0030.00316.64
7.4.280.0000.00716.57
7.4.270.0030.00316.52
7.4.260.0030.00316.48
7.4.250.0000.00016.47
7.4.240.0040.00416.55
7.4.230.0000.00716.73
7.4.220.0130.00616.64
7.4.210.0110.00416.72
7.4.200.0030.00316.48
7.4.160.0150.00016.46
7.4.150.0110.00817.40
7.4.140.0100.00717.86
7.4.130.0050.01116.61
7.4.120.0110.00816.65
7.4.110.0070.01316.55
7.4.100.0090.00816.60
7.4.90.0150.00316.57
7.4.80.0070.01019.37
7.4.70.0180.00016.54
7.4.60.0120.00616.67
7.4.50.0040.00416.45
7.4.40.0050.01416.47
7.4.30.0120.00916.33
7.4.00.0100.00715.21
7.3.330.0030.00313.34
7.3.320.0000.00513.41
7.3.310.0020.00516.16
7.3.300.0030.00516.37
7.3.290.0090.00916.35
7.3.280.0040.01116.44
7.3.270.0130.00617.40
7.3.260.0100.00716.51
7.3.250.0140.00416.68
7.3.240.0070.01516.43
7.3.230.0130.00316.65
7.3.210.0180.00016.38
7.3.200.0120.00619.39
7.3.190.0090.00916.46
7.3.180.0070.01016.67
7.3.170.0070.01016.35
7.3.160.0090.00616.56
7.2.330.0150.00316.77
7.2.320.0130.00716.52
7.2.310.0110.00716.59
7.2.300.0060.00916.47
7.2.290.0070.01016.84
7.2.60.0030.00716.80
7.2.00.0060.01119.33
7.1.200.0030.00615.61
7.1.100.0000.01118.04
7.1.70.0050.00217.15
7.1.60.0130.01319.32
7.1.50.0060.01316.88
7.1.00.0000.08022.43
7.0.200.0000.00816.86
7.0.140.0070.06721.99
7.0.110.0070.04019.96
7.0.100.0070.04020.02
7.0.90.0100.06320.06
7.0.80.0100.06319.94
7.0.70.0100.07319.84
7.0.60.0070.04319.89
7.0.50.0070.04720.09
7.0.40.0070.08319.87
7.0.30.0130.07319.78
7.0.20.0030.08719.73
7.0.10.0170.07319.65
7.0.00.0030.08319.74
5.6.280.0070.07021.11
5.6.260.0070.08020.64
5.6.250.0130.06020.71
5.6.240.0100.07320.73
5.6.230.0070.08320.68
5.6.220.0100.08020.70
5.6.210.0100.04320.55
5.6.200.0070.08020.63
5.6.190.0000.04320.57
5.6.180.0030.08720.72
5.6.170.0030.05720.67
5.6.160.0170.07720.60
5.6.150.0100.07020.66
5.6.140.0100.08320.56
5.6.130.0130.07320.62
5.6.120.0070.08720.59
5.6.110.0130.06320.71
5.6.100.0030.04720.65
5.6.90.0130.08020.64
5.6.80.0130.07320.01
5.6.70.0130.07319.97
5.6.60.0070.09720.04
5.6.50.0130.06319.95
5.6.40.0100.07719.92
5.6.30.0070.07719.93
5.6.20.0200.06720.22
5.6.10.0100.04319.83
5.6.00.0100.07720.04
5.5.380.0070.07717.47
5.5.370.0100.05717.48
5.5.360.0030.04017.59
5.5.350.0070.07717.52
5.5.340.0130.07017.95
5.5.330.0100.07318.13
5.5.320.0100.04018.23
5.5.310.0070.08318.22
5.5.300.0030.08718.10
5.5.290.0130.08017.91
5.5.280.0100.06317.92
5.5.270.0100.04717.95
5.5.260.0170.04018.24
5.5.250.0070.08317.90
5.5.240.0100.07017.62
5.5.230.0030.08317.60
5.5.220.0100.07317.63
5.5.210.0070.07317.56
5.5.200.0030.07717.27
5.5.190.0100.04717.48
5.5.180.0070.03317.47
5.5.160.0100.06717.31
5.5.150.0000.04017.42
5.5.140.0030.04017.45
5.5.130.0030.06317.44
5.5.120.0070.06717.44
5.5.110.0070.07017.26
5.5.100.0170.06317.21
5.5.90.0030.07317.50
5.5.80.0130.05717.38
5.5.70.0070.07317.37
5.5.60.0030.04317.46
5.5.50.0030.03717.50
5.5.40.0000.04717.34
5.5.30.0100.06717.11
5.5.20.0070.07317.36
5.5.10.0100.07717.36
5.5.00.0100.07317.14
5.4.450.0030.08719.55
5.4.440.0100.07319.63
5.4.430.0130.07719.35
5.4.420.0070.08319.34
5.4.410.0170.07019.18
5.4.400.0030.08319.21
5.4.390.0100.05019.09
5.4.380.0030.05719.14
5.4.370.0070.07319.14
5.4.360.0070.04019.00
5.4.350.0030.09019.09
5.4.340.0000.05719.14
5.4.320.0000.08318.95
5.4.310.0070.07319.04
5.4.300.0070.06718.99
5.4.290.0100.07018.94
5.4.280.0000.08319.14
5.4.270.0070.07019.30
5.4.260.0070.07719.24
5.4.250.0030.07019.18
5.4.240.0070.07719.01
5.4.230.0070.05319.09
5.4.220.0100.07719.01
5.4.210.0130.05319.21
5.4.200.0030.07319.23
5.4.190.0070.07319.29
5.4.180.0030.08318.98
5.4.170.0130.06719.08
5.4.160.0170.06719.23
5.4.150.0100.04018.98
5.4.140.0100.03716.36
5.4.130.0000.04316.28
5.4.120.0000.04016.35
5.4.110.0000.04016.54
5.4.100.0000.03716.50
5.4.90.0030.03716.52
5.4.80.0030.03716.53
5.4.70.0000.04016.49
5.4.60.0030.03716.52
5.4.50.0030.04016.63
5.4.40.0070.03316.53
5.4.30.0030.03716.43
5.4.20.0000.04016.52
5.4.10.0000.04016.56
5.4.00.0100.03015.73
5.3.290.0130.05714.54
5.3.280.0100.06714.73
5.3.270.0130.05014.58
5.3.260.0130.06314.60
5.3.250.0070.06314.75
5.3.240.0030.05014.62
5.3.230.0000.04014.57
5.3.220.0000.04014.58
5.3.210.0030.03714.43
5.3.200.0030.03714.59
5.3.190.0030.03714.43
5.3.180.0070.03314.73
5.3.170.0070.03714.59
5.3.160.0000.04014.59
5.3.150.0000.04014.72
5.3.140.0070.03314.70
5.3.130.0030.04014.59
5.3.120.0070.06714.57
5.3.110.0030.03714.64
5.3.100.0000.04014.14
5.3.90.0030.03713.89
5.3.80.0030.05714.05
5.3.70.0030.03714.04
5.3.60.0030.03714.04
5.3.50.0030.04014.00
5.3.40.0000.03314.19
5.3.30.0030.03313.95
5.3.20.0000.03013.66
5.3.10.0000.03013.68
5.3.00.0070.02713.64
5.2.170.0000.04011.91
5.2.160.0000.03011.91
5.2.150.0030.02711.91
5.2.140.0000.03011.91
5.2.130.0000.03011.91
5.2.120.0030.03011.91
5.2.110.0030.03011.91
5.2.100.0000.03011.91
5.2.90.0030.02711.91
5.2.80.0000.03311.91
5.2.70.0000.03011.91
5.2.60.0030.02311.91
5.2.50.0030.02711.91
5.2.40.0070.03311.91
5.2.30.0000.02711.91
5.2.20.0000.03011.91
5.2.10.0070.04011.91
5.2.00.0000.03311.91
5.1.60.0000.02711.91
5.1.50.0030.02311.91
5.1.40.0030.02311.91
5.1.30.0000.02311.91
5.1.20.0030.03011.91
5.1.10.0030.02311.91
5.1.00.0000.02311.91
5.0.50.0000.02011.91
5.0.40.0000.02011.91
5.0.30.0000.03011.91
5.0.20.0000.01711.91
5.0.10.0000.02011.91
5.0.00.0000.03711.91
4.4.90.0000.01311.91
4.4.80.0030.01311.91
4.4.70.0000.01711.91
4.4.60.0000.01711.91
4.4.50.0000.01311.91
4.4.40.0000.02011.91
4.4.30.0030.01311.91
4.4.20.0030.01311.91
4.4.10.0000.01711.91
4.4.00.0000.02311.91
4.3.110.0000.01311.91
4.3.100.0030.02011.91
4.3.90.0000.02311.91
4.3.80.0030.02311.91
4.3.70.0030.01311.91
4.3.60.0000.02011.91
4.3.50.0000.01311.91
4.3.40.0030.02311.91
4.3.30.0000.01311.91
4.3.20.0000.01311.91
4.3.10.0000.01711.91
4.3.00.0000.01711.91

preferences:
46.68 ms | 401 KiB | 5 Q