3v4l.org

run code in 300+ PHP versions simultaneously
<?php function LevenshteinDistance($str1, $str2) { $d = array (); $len1 = mb_strlen($str1); $len2 = mb_strlen($str2); for ($i1 = 0; $i1 <= $len1; $i1++) { $d[$i1] = array (); $d[$i1][0] = $i1; } for ($i2 = 0; $i2 <= $len2; $i2++) { $d[0][$i2] = $i2; } for ($i1 = 1; $i1 <= $len1; $i1++) { for ($i2 = 1; $i2 <= $len2; $i2++) { $cost = ($str1[$i1 - 1] == $str2[$i2 - 1]) ? 0 : 1; $d[$i1][$i2] = min( $d[$i1 - 1][$i2 ] + 1, //挿入 $d[$i1 ][$i2 - 1] + 1, //削除 $d[$i1 - 1][$i2 - 1] + $cost //置換 ); } } return $d[$len1][$len2]; } echo LevenshteinDistance("aaa","aab"); ?>

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)
8.3.60.0180.00016.63
8.3.50.0120.00722.04
8.3.40.0070.00718.79
8.3.30.0000.01419.04
8.3.20.0040.00420.29
8.3.10.0000.00723.70
8.3.00.0040.00420.45
8.2.180.0090.00918.54
8.2.170.0120.00322.96
8.2.160.0140.00022.09
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.30
8.2.110.0080.00822.11
8.2.100.0110.00017.84
8.2.90.0050.00319.21
8.2.80.0030.00518.03
8.2.70.0090.00317.63
8.2.60.0000.00818.03
8.2.50.0040.00418.07
8.2.40.0040.00419.41
8.2.30.0040.00418.05
8.2.20.0070.00017.73
8.2.10.0000.00717.59
8.2.00.0080.00317.74
8.1.280.0110.00725.92
8.1.270.0060.00323.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00624.01
8.1.230.0070.00419.16
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00617.43
8.1.180.0000.00818.10
8.1.170.0000.00818.30
8.1.160.0000.00822.10
8.1.150.0040.00418.58
8.1.140.0070.00017.54
8.1.130.0030.00517.81
8.1.120.0000.00717.36
8.1.110.0000.00717.46
8.1.100.0040.00417.35
8.1.90.0020.00517.40
8.1.80.0050.00317.52
8.1.70.0030.00317.45
8.1.60.0000.00917.70
8.1.50.0040.00417.59
8.1.40.0040.00417.48
8.1.30.0060.00317.67
8.1.20.0040.00417.80
8.1.10.0000.00717.63
8.1.00.0040.00417.63
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0000.00718.43
8.0.270.0040.00417.45
8.0.260.0000.00716.82
8.0.250.0000.00717.05
8.0.240.0070.00017.05
8.0.230.0000.00716.95
8.0.220.0030.00316.91
8.0.210.0040.00416.81
8.0.200.0070.00017.00
8.0.190.0000.00817.00
8.0.180.0070.00016.83
8.0.170.0000.00816.89
8.0.160.0000.00716.97
8.0.150.0000.00716.80
8.0.140.0070.00016.88
8.0.130.0060.00013.33
8.0.120.0000.00716.77
8.0.110.0000.00816.89
8.0.100.0040.00416.89
8.0.90.0040.00416.98
8.0.80.0060.01017.02
8.0.70.0020.00517.04
8.0.60.0000.00716.96
8.0.50.0030.00616.84
8.0.30.0100.00917.14
8.0.20.0140.00617.40
8.0.10.0050.00316.84
8.0.00.0090.00816.69
7.4.330.0000.00515.02
7.4.320.0000.00716.45
7.4.300.0030.00316.63
7.4.290.0030.00316.53
7.4.280.0000.00716.50
7.4.270.0030.00316.50
7.4.260.0000.00716.46
7.4.250.0000.00716.62
7.4.240.0000.00716.54
7.4.230.0000.00816.63
7.4.220.0110.00816.55
7.4.210.0120.00516.58
7.4.200.0030.00316.64
7.4.190.0040.00416.53
7.4.160.0080.00816.61
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0080.01016.60
7.4.120.0100.00716.61
7.4.110.0110.00716.52
7.4.100.0100.00716.49
7.4.90.0120.00616.43
7.4.80.0070.01416.64
7.4.70.0090.00916.50
7.4.60.0120.00616.35
7.4.50.0000.00716.40
7.4.40.0140.00422.77
7.4.30.0200.00016.66
7.4.00.0030.01014.77
7.3.330.0030.00313.20
7.3.320.0050.00013.20
7.3.310.0000.00716.28
7.3.300.0030.00316.33
7.3.290.0030.01216.34
7.3.280.0090.01016.41
7.3.270.0090.00917.40
7.3.260.0100.00716.36
7.3.250.0090.01016.38
7.3.240.0070.01016.61
7.3.230.0070.01016.65
7.3.210.0060.01616.52
7.3.200.0090.01219.39
7.3.190.0090.01416.27
7.3.180.0080.00816.35
7.3.170.0100.00616.61
7.3.160.0100.00616.39
7.3.120.0070.00715.09
7.2.330.0070.01016.68
7.2.320.0120.00916.63
7.2.310.0060.00916.64
7.2.300.0170.00016.76
7.2.290.0100.00616.86
7.2.60.0030.01216.97
7.2.00.0000.01319.20
7.1.200.0000.01115.94
7.1.100.0000.00818.06
7.1.70.0000.00717.07
7.1.60.0100.01619.29
7.1.50.0060.01816.73
7.1.00.0030.07322.35
7.0.200.0090.00516.73
7.0.140.0070.07322.18
7.0.60.0030.08319.80
7.0.50.0000.04317.86
7.0.40.0100.05720.02
7.0.30.0200.04720.08
7.0.20.0300.07720.24
7.0.10.0100.04020.07
7.0.00.0100.03720.14
5.6.280.0030.07321.03
5.6.210.0030.08020.57
5.6.200.0070.04718.16
5.6.190.0070.08020.46
5.6.180.0330.07320.52
5.6.170.0200.05020.45
5.6.160.0070.04020.70
5.6.150.0100.07318.25
5.6.140.0170.03018.18
5.6.130.0030.07018.17
5.6.120.0130.07721.15
5.6.110.0030.08721.14
5.6.100.0130.07020.98
5.6.90.0130.07021.01
5.6.80.0300.07020.45
5.5.350.0330.06720.42
5.5.340.0070.08317.97
5.5.330.0000.08320.36
5.5.320.0470.07020.23
5.5.310.0130.04320.34
5.5.300.0070.03718.00
5.5.290.0070.05718.08
5.5.280.0170.06320.86
5.5.270.0070.08720.97
5.5.260.0170.06720.96
5.5.250.0030.04020.79
5.5.240.0100.07020.27
5.4.450.0670.05319.48
5.4.440.0300.05319.35
5.4.430.0100.05719.41
5.4.420.0130.05719.36
5.4.410.0030.06018.96
5.4.400.0100.05718.55
5.4.390.0100.06318.57
5.4.380.0130.05718.74
5.4.370.0100.04018.57
5.4.360.0030.04718.73
5.4.350.0100.03812.03
5.4.340.0060.04612.02
5.4.320.0030.03912.51
5.4.310.0050.03912.51
5.4.300.0090.03412.52
5.4.290.0080.05612.51
5.4.280.0140.08712.38
5.4.270.0140.05912.38
5.4.260.0130.07712.38
5.4.250.0150.07412.38
5.4.240.0100.05012.38
5.4.230.0190.07012.37
5.4.220.0100.04212.37
5.4.210.0090.04112.38
5.4.200.0070.04312.37
5.4.190.0080.04012.36
5.4.180.0060.04312.37
5.4.170.0100.03812.38
5.4.160.0080.03812.37
5.4.150.0100.03712.37
5.4.140.0060.04012.05
5.4.130.0100.04612.04
5.4.120.0100.07012.00
5.4.110.0150.06012.00
5.4.100.0090.05712.00
5.4.90.0160.04911.99
5.4.80.0130.05411.99
5.4.70.0110.05511.99
5.4.60.0120.06611.99
5.4.50.0090.05011.99
5.4.40.0120.05911.98
5.4.30.0140.05211.97
5.4.20.0130.05711.98
5.4.10.0130.03511.97
5.4.00.0070.06811.46
5.3.290.0070.05412.80
5.3.280.0190.07512.70
5.3.270.0180.08612.73
5.3.260.0240.08312.72
5.3.250.0080.03812.71
5.3.240.0080.03912.72
5.3.230.0060.04312.71
5.3.220.0100.04012.68
5.3.210.0110.04512.68
5.3.200.0110.03612.68
5.3.190.0100.03812.68
5.3.180.0100.03812.68
5.3.170.0070.05012.67
5.3.160.0200.08012.67
5.3.150.0080.06512.67
5.3.140.0110.09512.66
5.3.130.0200.08212.66
5.3.120.0210.05712.66
5.3.110.0140.05112.65
5.3.100.0180.05912.12
5.3.90.0120.05812.09
5.3.80.0090.05612.08
5.3.70.0210.05812.07
5.3.60.0230.08512.06
5.3.50.0240.08812.01
5.3.40.0130.04412.01
5.3.30.0330.08211.97
5.3.20.0060.04011.76
5.3.10.0060.03611.71
5.3.00.0060.03811.70
5.2.170.0140.1049.20
5.2.160.0040.0309.20
5.2.150.0050.0329.20
5.2.140.0050.0319.20
5.2.130.0050.0309.16
5.2.120.0090.0259.16
5.2.110.0070.0289.17
5.2.100.0080.0269.16
5.2.90.0050.0329.16
5.2.80.0040.0339.16
5.2.70.0040.0349.16
5.2.60.0070.0319.11
5.2.50.0090.0359.08
5.2.40.0070.0349.05
5.2.30.0050.0339.04
5.2.20.0090.0319.02
5.2.10.0060.0518.93
5.2.00.0110.0358.80
5.1.60.0020.0448.08
5.1.50.0040.0388.08
5.1.40.0090.0508.06
5.1.30.0070.0408.41
5.1.20.0070.0388.43
5.1.10.0060.0398.16
5.1.00.0070.0408.16
5.0.50.0090.0326.63
5.0.40.0050.0246.51
5.0.30.0060.0396.31
5.0.20.0060.0266.28
5.0.10.0060.0216.26
5.0.00.0100.0306.26
4.4.90.0040.0374.78
4.4.80.0050.0264.75
4.4.70.0050.0224.76
4.4.60.0080.0144.76
4.4.50.0080.0134.77
4.4.40.0050.0264.71
4.4.30.0040.0174.76
4.4.20.0030.0194.84
4.4.10.0080.0294.85
4.4.00.0050.0364.76
4.3.110.0030.0174.67
4.3.100.0040.0154.67
4.3.90.0040.0164.63
4.3.80.0030.0284.58
4.3.70.0050.0184.63
4.3.60.0100.0164.63
4.3.50.0050.0204.62
4.3.40.0020.0494.54
4.3.30.0080.0443.31
4.3.20.0060.0253.29
4.3.10.0090.0453.26
4.3.00.0070.0237.05

preferences:
46.7 ms | 401 KiB | 5 Q