3v4l.org

run code in 300+ PHP versions simultaneously
<?php function RomanNumeralValues() { return [ 'I'=>1, 'V'=>5, 'X'=>10, 'L'=>50, 'C'=>100, 'D'=>500, 'M'=>1000, ]; } function ConvertRomanNumeralToArabic($input_roman){ $input_length = strlen($input_roman); if($input_length === 0) { return $result; } $roman_numerals = RomanNumeralValues(); $current_pointer = 1; $result = 0; for($i = $input_length - 1; $i > -1; $i--){ $letter = $input_roman[$i]; $letter_value = $roman_numerals[$letter]; if($letter_value === $current_pointer) { $result += $letter_value; } elseif ($letter_value < $current_pointer) { $result -= $letter_value; } else { $result += $letter_value; $current_pointer = $letter_value; } } return $result; } print ConvertRomanNumeralToArabic("LIX");

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)
8.4.120.0120.00823.88
8.4.110.0050.00420.61
8.4.100.0110.00917.73
8.4.90.0130.00720.52
8.4.80.0100.00718.79
8.4.70.0140.00820.61
8.4.60.0140.00720.63
8.4.50.0130.00820.87
8.4.40.0170.00317.69
8.4.30.0110.00018.75
8.4.20.0060.01317.69
8.4.10.0110.00019.59
8.3.250.0110.00818.83
8.3.240.0100.00917.09
8.3.230.0080.00416.48
8.3.220.0090.00918.87
8.3.210.0050.00316.61
8.3.200.0060.00316.75
8.3.190.0070.00816.92
8.3.180.0130.00618.95
8.3.170.0050.00517.22
8.3.160.0080.00016.78
8.3.150.0090.00918.36
8.3.140.0130.00617.12
8.3.130.0100.00518.35
8.3.120.0100.00018.89
8.3.110.0030.00720.94
8.3.100.0000.00824.06
8.3.90.0000.00726.77
8.3.80.0040.00416.63
8.3.70.0060.00918.15
8.3.60.0110.00316.75
8.3.50.0100.00720.02
8.3.40.0130.00319.84
8.3.30.0160.00018.89
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0040.00426.16
8.2.290.0100.00920.36
8.2.280.0110.00918.62
8.2.270.0070.00318.14
8.2.260.0030.01417.04
8.2.250.0000.00916.52
8.2.240.0060.00319.06
8.2.230.0050.00322.58
8.2.220.0120.00337.54
8.2.210.0000.01526.77
8.2.200.0040.00416.38
8.2.190.0150.00016.75
8.2.180.0150.00025.92
8.2.170.0030.01019.08
8.2.160.0040.01122.96
8.2.150.0000.00725.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0090.00026.16
8.2.110.0060.00322.30
8.2.100.0090.00319.64
8.2.90.0060.00317.63
8.2.80.0000.00818.82
8.2.70.0090.00017.75
8.2.60.0000.00818.03
8.2.50.0000.00818.07
8.2.40.0000.00818.35
8.2.30.0050.00218.00
8.2.20.0040.00420.46
8.2.10.0040.00417.67
8.2.00.0000.00719.25
8.1.330.0030.00722.07
8.1.320.0100.00918.08
8.1.310.0060.00316.81
8.1.300.0110.00017.83
8.1.290.0030.00618.88
8.1.280.0070.00725.92
8.1.270.0030.00624.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0120.00020.45
8.1.230.0090.00317.77
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0040.00717.23
8.1.190.0060.00617.18
8.1.180.0080.00318.10
8.1.170.0040.00418.85
8.1.160.0070.00018.78
8.1.150.0000.00718.43
8.1.140.0000.00817.30
8.1.130.0070.00018.70
8.1.120.0020.00517.39
8.1.110.0000.00817.22
8.1.100.0000.00717.37
8.1.90.0000.00817.29
8.1.80.0040.00417.37
8.1.70.0040.00417.29
8.1.60.0050.00317.47
8.1.50.0050.00317.52
8.1.40.0040.00417.42
8.1.30.0000.00817.54
8.1.20.0040.00417.54
8.1.10.0050.00317.49
8.1.00.0000.00817.44
8.0.300.0030.00618.77
8.0.290.0000.00816.75
8.0.280.0040.00418.45
8.0.270.0000.00716.74
8.0.260.0000.00718.45
8.0.250.0030.00316.84
8.0.240.0030.00316.82
8.0.230.0040.00416.79
8.0.220.0070.00016.85
8.0.210.0040.00416.85
8.0.200.0070.00016.78
8.0.190.0030.00616.95
8.0.180.0070.00016.81
8.0.170.0030.00516.76
8.0.160.0080.00016.83
8.0.150.0050.00216.66
8.0.140.0000.00716.77
8.0.130.0070.00016.72
8.0.120.0040.00416.77
8.0.110.0070.00016.69
8.0.100.0030.00316.79
8.0.90.0040.00416.63
8.0.80.0040.00416.75
8.0.70.0000.00816.69
8.0.60.0000.00816.79
8.0.50.0050.00316.70
8.0.30.0040.00416.66
8.0.20.0040.00416.76
8.0.10.0000.00816.89
7.4.330.0000.00515.55
7.4.320.0000.00716.46
7.4.300.0030.00616.57
7.4.290.0070.00016.35
7.4.280.0000.00816.51
7.4.270.0000.00716.40
7.4.260.0030.00316.36
7.4.250.0030.00316.50
7.4.240.0030.00316.33
7.4.230.0030.00316.55
7.4.220.0030.00316.45
7.4.210.0030.00316.44
7.4.200.0030.00316.47
7.4.190.0040.00416.62
7.4.180.0040.00216.67
7.4.160.0030.00316.45
7.4.150.0000.00716.51
7.4.140.0000.00716.41
7.4.130.0030.00516.48
7.4.120.0030.00316.43
7.4.110.0040.00416.44
7.4.100.0000.00716.33
7.4.90.0050.00316.43
7.4.80.0080.00016.29
7.4.70.0030.00316.50
7.4.60.0030.00316.30
7.4.50.0000.00716.31
7.4.40.0070.00016.37
7.4.30.0000.00716.39
7.4.20.0030.00316.28
7.4.10.0050.00316.41
7.4.00.0030.00316.32

preferences:
102.71 ms | 403 KiB | 5 Q