3v4l.org

run code in 300+ PHP versions simultaneously
<?php function LevenshteinDistance($str1, $str2) { $d = array (); $len1 = mb_strlen($str1,"UTF-8"); $len2 = mb_strlen($str2,"UTF-8"); echo $len1.$len2; 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("こんにちは","こんにちわ"); ?>

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)
8.3.40.0060.00918.77
8.3.30.0030.01019.27
8.3.20.0000.00720.25
8.3.10.0080.00023.68
8.3.00.0040.00422.39
8.2.170.0090.00922.96
8.2.160.0120.00322.11
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0140.00426.16
8.2.120.0050.00222.13
8.2.110.0090.00019.31
8.2.100.0090.00317.84
8.2.90.0030.00619.21
8.2.80.0000.00917.97
8.2.70.0050.00317.38
8.2.60.0000.00817.90
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0070.00018.05
8.2.20.0040.00417.80
8.2.10.0040.00419.41
8.2.00.0060.00317.66
8.1.270.0060.00323.84
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00021.43
8.1.230.0000.01317.52
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.47
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0030.00618.59
8.1.160.0050.00321.91
8.1.150.0040.00418.59
8.1.140.0000.01017.38
8.1.130.0050.00317.77
8.1.120.0030.00317.39
8.1.110.0000.00717.45
8.1.100.0070.00017.48
8.1.90.0030.00717.54
8.1.80.0070.00017.49
8.1.70.0030.00317.45
8.1.60.0000.00917.57
8.1.50.0060.00317.61
8.1.40.0030.00517.54
8.1.30.0040.00417.73
8.1.20.0040.00417.59
8.1.10.0040.00417.64
8.1.00.0050.00317.60
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0040.00418.44
8.0.270.0080.00017.40
8.0.260.0060.00017.01
8.0.250.0000.00617.05
8.0.240.0000.00717.04
8.0.230.0070.00017.01
8.0.220.0070.00016.84
8.0.210.0050.00316.86
8.0.200.0040.00417.00
8.0.190.0050.00216.97
8.0.180.0040.00416.97
8.0.170.0000.00716.90
8.0.160.0030.00516.86
8.0.150.0040.00416.89
8.0.140.0000.00716.82
8.0.130.0050.00013.38
8.0.120.0040.00416.83
8.0.110.0000.00716.85
8.0.100.0040.00416.80
8.0.90.0070.00016.87
8.0.80.0060.00916.89
8.0.70.0040.00416.87
8.0.60.0080.00016.93
8.0.50.0050.00217.00
8.0.30.0160.00517.04
8.0.20.0110.00617.40
8.0.10.0000.00717.03
8.0.00.0160.00716.70
7.4.330.0000.00515.08
7.4.320.0040.00416.64
7.4.300.0000.00816.62
7.4.290.0000.00716.48
7.4.280.0030.00316.60
7.4.270.0050.00216.63
7.4.260.0030.00316.40
7.4.250.0050.00316.47
7.4.240.0020.00516.57
7.4.230.0000.00816.69
7.4.220.0080.00816.55
7.4.210.0040.01316.63
7.4.200.0030.00316.68
7.4.190.0070.00016.56
7.4.160.0060.00916.54
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0110.00816.52
7.4.120.0110.00916.62
7.4.110.0080.01016.64
7.4.100.0100.00716.40
7.4.90.0130.00616.53
7.4.80.0140.00316.41
7.4.70.0090.00916.67
7.4.60.0060.01016.61
7.4.50.0000.00816.21
7.4.40.0070.01122.77
7.4.30.0130.00316.52
7.4.00.0030.01115.16
7.3.330.0000.00513.38
7.3.320.0030.00313.23
7.3.310.0040.00416.34
7.3.300.0070.00016.26
7.3.290.0110.00416.44
7.3.280.0130.00716.40
7.3.270.0120.00617.40
7.3.260.0170.00316.37
7.3.250.0120.00516.56
7.3.240.0100.00616.63
7.3.230.0110.00616.51
7.3.210.0100.00716.68
7.3.200.0110.00719.39
7.3.190.0060.01016.69
7.3.180.0120.00916.60
7.3.170.0090.00916.65
7.3.160.0090.00916.33
7.3.120.0000.01314.77
7.2.330.0180.00016.81
7.2.320.0090.00916.69
7.2.310.0110.01116.80
7.2.300.0060.01016.65
7.2.290.0060.01016.38
7.2.60.0000.01317.02
7.2.00.0070.01119.40
7.1.200.0070.00715.80
7.1.100.0070.00718.23
7.1.70.0070.00417.14
7.1.60.0150.00919.29
7.1.50.0040.02217.08
7.1.00.0030.07722.41
7.0.200.0110.00016.43
7.0.140.0000.07721.92
7.0.100.0100.07319.98
7.0.90.0400.07019.89
7.0.80.0370.08320.02
7.0.70.0330.03319.93
7.0.60.0230.06720.00
7.0.50.0370.07020.36
7.0.40.0000.08320.09
7.0.30.0130.07720.14
7.0.20.0070.09020.13
7.0.10.0130.04320.03
7.0.00.0100.04020.17
5.6.280.0000.07321.08
5.6.250.0130.06020.67
5.6.240.0070.04720.71
5.6.230.0070.07720.76
5.6.220.0130.03020.66
5.6.210.0000.08720.63
5.6.200.0070.08721.15
5.6.190.0230.07021.04
5.6.180.0030.07721.06
5.6.170.0130.08021.12
5.6.160.0000.08321.13
5.6.150.0030.08021.09
5.6.140.0070.03721.14
5.6.130.0130.03320.95
5.6.120.0030.07721.03
5.6.110.0030.04020.96
5.6.100.0070.06321.17
5.6.90.0100.07720.94
5.6.80.0030.07320.57
5.6.70.0070.04020.43
5.6.60.0070.07720.40
5.6.50.0030.08320.47
5.6.40.0100.07020.54
5.6.30.0000.08320.44
5.6.20.0070.08020.36
5.6.10.0000.05020.37
5.6.00.0100.07020.39
5.5.380.0100.07320.53
5.5.370.0070.04320.56
5.5.360.0100.04320.36
5.5.350.0070.08020.36
5.5.340.0070.07720.90
5.5.330.0230.06720.84
5.5.320.0130.05320.89
5.5.310.0100.07720.92
5.5.300.0100.05320.89
5.5.290.0130.07320.92
5.5.280.0100.05720.84
5.5.270.0030.08320.92
5.5.260.0170.07720.93
5.5.250.0030.08320.60
5.5.240.0100.07320.27
5.5.230.0100.03320.26
5.5.220.0070.07720.11
5.5.210.0000.04020.25
5.5.200.0070.04020.16
5.5.190.0030.04020.19
5.5.180.0070.07320.21
5.5.160.0070.07020.19
5.5.150.0130.07020.26
5.5.140.0100.03320.11
5.5.130.0030.07320.21
5.5.120.0230.05020.15
5.5.110.0130.07020.08
5.5.100.0070.08020.08
5.5.90.0070.04020.16
5.5.80.0200.03719.96
5.5.70.0100.07320.07
5.5.60.0030.05320.09
5.5.50.0200.05320.11
5.5.40.0030.04020.02
5.5.30.0070.04020.10
5.5.20.0070.06320.02
5.5.10.0030.04019.98
5.5.00.0100.03320.05
5.4.450.0070.05019.36
5.4.440.0030.07719.36
5.4.430.0030.08319.35
5.4.420.0000.04319.17
5.4.410.0070.06719.23
5.4.400.0130.06319.13
5.4.390.0070.07719.22
5.4.380.0070.07318.88
5.4.370.0030.08018.88
5.4.360.0100.03719.21
5.4.350.0000.06019.09
5.4.340.0100.07319.04
5.4.320.0070.08019.05
5.4.310.0030.06019.21
5.4.300.0030.08019.14
5.4.290.0270.05718.87
5.4.280.0070.07019.04
5.4.270.0000.08318.95
5.4.260.0030.08018.87
5.4.250.0070.05719.17
5.4.240.0030.07318.87
5.4.230.0100.06319.13
5.4.220.0070.06719.15
5.4.210.0100.07019.11
5.4.200.0000.04019.15
5.4.190.0000.04019.03
5.4.180.0030.04319.20
5.4.170.0000.04018.84
5.4.160.0030.03718.93
5.4.150.0030.03718.89
5.4.140.0030.03716.45
5.4.130.0000.03716.41
5.4.120.0030.04016.43
5.4.110.0070.03016.52
5.4.100.0030.03716.27
5.4.90.0000.03716.43
5.4.80.0070.03016.37
5.4.70.0000.04716.49
5.4.60.0000.04016.30
5.4.50.0100.04716.46
5.4.40.0030.06316.48
5.4.30.0030.03716.46
5.4.20.0000.03716.36
5.4.10.0030.07016.46
5.4.00.0000.03715.82
5.3.290.0070.03014.73
5.3.280.0100.07314.64
5.3.270.0070.04014.60
5.3.260.0030.04014.69
5.3.250.0130.03014.71
5.3.240.0000.04014.71
5.3.230.0030.03314.68
5.3.220.0030.03714.67
5.3.210.0070.03314.53
5.3.200.0000.04714.54
5.3.190.0030.03714.59
5.3.180.0030.04314.67
5.3.170.0000.04014.55
5.3.160.0030.03714.64
5.3.150.0000.04014.64
5.3.140.0100.05014.66
5.3.130.0070.06314.52
5.3.120.0070.03314.68
5.3.110.0030.04014.58
5.3.100.0100.03014.02
5.3.90.0070.03014.09
5.3.80.0000.04014.01
5.3.70.0100.03014.02
5.3.60.0070.03314.13
5.3.50.0030.05013.89
5.3.40.0100.03014.02
5.3.30.0070.02714.02
5.3.20.0030.03013.77
5.3.10.0030.06713.68
5.3.00.0000.04713.54
5.2.170.0100.06011.95
5.2.160.0030.02711.95
5.2.150.0000.03011.95
5.2.140.0030.02711.95
5.2.130.0070.02311.95
5.2.120.0000.03011.95
5.2.110.0000.03311.95
5.2.100.0000.03011.95
5.2.90.0000.04011.95
5.2.80.0000.04311.95
5.2.70.0000.03311.95
5.2.60.0030.03311.95
5.2.50.0030.02711.95
5.2.40.0100.04711.95
5.2.30.0030.03311.95
5.2.20.0030.04311.95
5.2.10.0030.02711.95
5.2.00.0000.03311.95
5.1.60.0030.02311.95
5.1.50.0000.02311.95
5.1.40.0000.02311.95
5.1.30.0000.02711.95
5.1.20.0030.04311.95
5.1.10.0000.04711.95
5.1.00.0030.05011.95
5.0.50.0030.04311.95
5.0.40.0000.04011.95
5.0.30.0000.05711.95
5.0.20.0030.02011.95
5.0.10.0070.04011.95
5.0.00.0000.06311.95
4.4.90.0000.01711.95
4.4.80.0000.01311.95
4.4.70.0000.02011.95
4.4.60.0030.02311.95
4.4.50.0030.01711.95
4.4.40.0000.02711.95
4.4.30.0030.04011.95
4.4.20.0000.04011.95
4.4.10.0000.03011.95
4.4.00.0100.05011.95
4.3.110.0030.03711.95
4.3.100.0030.02711.95
4.3.90.0030.03311.95
4.3.80.0030.03311.95
4.3.70.0030.01311.95
4.3.60.0030.03011.95
4.3.50.0000.03311.95
4.3.40.0000.02311.95
4.3.30.0000.03011.95
4.3.20.0000.04311.95
4.3.10.0000.03311.95
4.3.00.0000.03711.95

preferences:
47.06 ms | 400 KiB | 5 Q