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, $d[$i1 ][$i2 - 1] + 1, $d[$i1 - 1][$i2 - 1] + $cost ); } } return $d[$len1][$len2]; } echo LevenshteinDistance("こんにちは","aaaaa"); ?>

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)
8.3.60.0080.00616.63
8.3.50.0130.00721.96
8.3.40.0090.00618.82
8.3.30.0110.00619.27
8.3.20.0050.00220.16
8.3.10.0040.00423.53
8.3.00.0080.00022.32
8.2.180.0190.00316.50
8.2.170.0120.00922.96
8.2.160.0030.01022.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0130.00626.16
8.2.120.0040.00422.04
8.2.110.0090.00022.13
8.2.100.0080.00417.91
8.2.90.0030.00619.36
8.2.80.0030.00618.05
8.2.70.0030.00717.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00318.03
8.2.30.0000.00718.15
8.2.20.0040.00417.75
8.2.10.0040.00417.65
8.2.00.0040.00417.66
8.1.280.0100.00325.92
8.1.270.0080.00023.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0110.00019.22
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.48
8.1.190.0090.00017.43
8.1.180.0000.00918.10
8.1.170.0000.00818.47
8.1.160.0040.00422.02
8.1.150.0040.00418.70
8.1.140.0000.00817.47
8.1.130.0030.00317.79
8.1.120.0000.00817.39
8.1.110.0000.00717.47
8.1.100.0030.00317.38
8.1.90.0040.00717.55
8.1.80.0000.00717.46
8.1.70.0030.00317.41
8.1.60.0000.00717.58
8.1.50.0030.00617.65
8.1.40.0040.00417.56
8.1.30.0060.00317.69
8.1.20.0040.00417.65
8.1.10.0040.00417.67
8.1.00.0000.00817.64
8.0.300.0050.00318.77
8.0.290.0080.00017.05
8.0.280.0080.00018.45
8.0.270.0040.00417.41
8.0.260.0030.00316.90
8.0.250.0040.00417.01
8.0.240.0000.00817.07
8.0.230.0040.00416.90
8.0.220.0030.00317.02
8.0.210.0030.00516.98
8.0.200.0000.00616.92
8.0.190.0040.00316.91
8.0.180.0070.00017.06
8.0.170.0090.00017.03
8.0.160.0040.00416.98
8.0.150.0040.00417.05
8.0.140.0000.00716.84
8.0.130.0000.00513.32
8.0.120.0040.00416.96
8.0.110.0080.00016.87
8.0.100.0000.00817.01
8.0.90.0040.00416.93
8.0.80.0060.01416.96
8.0.70.0050.00317.01
8.0.60.0050.00316.86
8.0.50.0040.00417.04
8.0.30.0140.00617.07
8.0.20.0140.00717.40
8.0.10.0020.00516.99
8.0.00.0110.00816.71
7.4.330.0030.00315.14
7.4.320.0040.00416.52
7.4.300.0000.00716.54
7.4.290.0030.00316.54
7.4.280.0030.00316.52
7.4.270.0070.00016.54
7.4.260.0040.00416.66
7.4.250.0070.00016.59
7.4.240.0040.00416.54
7.4.230.0050.00316.54
7.4.220.0130.00416.73
7.4.210.0100.00716.68
7.4.200.0000.00816.61
7.4.190.0000.00716.61
7.4.160.0090.00616.61
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0090.01116.46
7.4.120.0070.01016.44
7.4.110.0030.01316.54
7.4.100.0070.01116.48
7.4.90.0120.00616.61
7.4.80.0140.00519.37
7.4.70.0090.00616.44
7.4.60.0140.00616.55
7.4.50.0080.00016.68
7.4.40.0060.00922.77
7.4.30.0080.00816.68
7.4.00.0060.01014.99
7.3.330.0050.00013.47
7.3.320.0050.00013.19
7.3.310.0040.00416.41
7.3.300.0030.00516.30
7.3.290.0120.00816.36
7.3.280.0080.01316.39
7.3.270.0130.00317.40
7.3.260.0110.00516.62
7.3.250.0140.00916.45
7.3.240.0110.01216.67
7.3.230.0090.01216.39
7.3.210.0070.01016.35
7.3.200.0100.00719.39
7.3.190.0060.01516.34
7.3.180.0060.00916.49
7.3.170.0120.00616.71
7.3.160.0090.00616.47
7.3.120.0050.01014.87
7.3.110.0030.01614.54
7.3.100.0030.01215.05
7.3.90.0100.00714.84
7.3.80.0060.00615.24
7.3.70.0000.01114.90
7.3.60.0000.01315.04
7.3.50.0030.01314.61
7.3.40.0120.00615.01
7.3.30.0070.00714.91
7.3.20.0060.00616.46
7.3.10.0100.00616.52
7.3.00.0060.00916.41
7.2.330.0150.00316.84
7.2.320.0060.01116.81
7.2.310.0130.01016.48
7.2.300.0080.00816.38
7.2.290.0170.00016.47
7.2.250.0070.01115.03
7.2.240.0040.01415.10
7.2.230.0030.00614.90
7.2.220.0030.01414.80
7.2.210.0000.01714.95
7.2.200.0030.01215.14
7.2.190.0090.00915.09
7.2.180.0040.00814.70
7.2.170.0030.01515.10
7.2.130.0100.00716.82
7.2.120.0100.00316.87
7.2.110.0120.00416.57
7.2.100.0000.00916.46
7.2.90.0120.00316.71
7.2.80.0060.00916.82
7.2.70.0080.00816.74
7.2.60.0030.01016.80
7.2.50.0040.01116.71
7.2.40.0090.00617.12
7.2.30.0070.01016.62
7.2.20.0110.00716.84
7.2.10.0140.00416.88
7.2.00.0130.00616.70
7.1.330.0060.00915.59
7.1.320.0100.00615.80
7.1.310.0000.01415.64
7.1.300.0090.00615.70
7.1.290.0100.00715.95
7.1.280.0070.00615.75
7.1.270.0000.01515.86
7.1.260.0070.00715.95
7.1.250.0140.00315.87
7.1.240.0110.00615.62
7.1.230.0120.00315.76
7.1.220.0070.00715.66
7.1.210.0110.00415.42
7.1.200.0060.00915.20
7.1.190.0070.01015.64
7.1.180.0110.00715.79
7.1.170.0030.00915.66
7.1.160.0090.00315.52
7.1.150.0040.00815.64
7.1.140.0000.01415.56
7.1.130.0070.00715.62
7.1.120.0150.00015.71
7.1.110.0000.01215.49
7.1.100.0030.01415.72
7.1.90.0150.00315.50
7.1.80.0060.00915.57
7.1.70.0050.00716.48
7.1.60.0120.00717.36
7.1.50.0040.01516.20
7.1.40.0120.00015.53
7.1.30.0090.00915.68
7.1.20.0100.00315.46
7.1.10.0040.00815.44
7.1.00.0080.04018.99
7.0.330.0080.00815.34
7.0.320.0080.00415.19
7.0.310.0130.00015.16
7.0.300.0040.01414.98
7.0.290.0070.00715.41
7.0.280.0100.00715.42
7.0.270.0100.00715.23
7.0.260.0100.00615.15
7.0.250.0070.00715.38
7.0.240.0070.00715.44
7.0.230.0080.00615.47
7.0.220.0140.00715.51
7.0.210.0070.00715.42
7.0.200.0120.00515.98
7.0.190.0070.00715.53
7.0.180.0060.00615.51
7.0.170.0040.01115.42
7.0.160.0120.00315.38
7.0.150.0120.00315.20
7.0.140.0030.04218.71
7.0.130.0100.00315.48
7.0.120.0100.00315.11
7.0.110.0110.00415.21
7.0.100.0070.04617.64
7.0.90.0050.02517.65
7.0.80.0070.04317.58
7.0.70.0070.02517.65
7.0.60.0100.02817.72
7.0.50.0100.04617.62
7.0.40.0050.04816.56
7.0.30.0020.04716.66
7.0.20.0080.04316.61
7.0.10.0040.04516.72
7.0.00.0050.04416.63
5.6.380.0030.01014.16
5.6.370.0060.00614.36
5.6.360.0060.00913.90
5.6.350.0110.00414.04
5.6.340.0030.00714.23
5.6.330.0080.00613.94
5.6.320.0090.00614.05
5.6.310.0070.00413.95
5.6.300.0060.00914.05
5.6.290.0060.00614.16
5.6.280.0060.03817.62
5.6.270.0060.00914.38
5.6.260.0040.00814.33
5.6.250.0120.04017.59
5.6.240.0130.02717.54
5.6.230.0070.05017.30
5.6.220.0030.03017.48
5.6.210.0070.04217.30
5.6.200.0090.04317.68
5.6.190.0070.04217.71
5.6.180.0050.03717.64
5.6.170.0080.04317.78
5.6.160.0070.04717.58
5.6.150.0080.04317.70
5.6.140.0040.05017.80
5.6.130.0050.03317.69
5.6.120.0080.04117.65
5.6.110.0060.04817.67
5.6.100.0100.04117.54
5.6.90.0050.05017.70
5.6.80.0080.02817.17
5.6.70.0050.02817.28
5.6.60.0140.03617.39
5.6.50.0100.04017.38
5.6.40.0090.04117.35
5.6.30.0080.03817.16
5.6.20.0050.04217.41
5.6.10.0050.04617.41
5.6.00.0090.03517.26
5.5.380.0030.04515.73
5.5.370.0080.03815.61
5.5.360.0130.01815.78
5.5.350.0050.04515.72
5.5.340.0080.04016.01
5.5.330.0120.03516.25
5.5.320.0050.04315.98
5.5.310.0130.03316.13
5.5.300.0120.03715.90
5.5.290.0100.04416.20
5.5.280.0080.02716.17
5.5.270.0080.04316.08
5.5.260.0030.04615.99
5.5.250.0070.04215.76
5.5.240.0060.03615.79
5.5.230.0020.04415.62
5.5.220.0050.03915.57
5.5.210.0070.04315.52
5.5.200.0050.04015.53
5.5.190.0070.04215.71
5.5.180.0020.04715.59
5.5.170.0030.00310.92
5.5.160.0050.03115.59
5.5.150.0070.04115.58
5.5.140.0050.04515.63
5.5.130.0110.03815.57
5.5.120.0110.02715.54
5.5.110.0070.02515.61
5.5.100.0050.04215.52
5.5.90.0130.03515.53
5.5.80.0060.02915.69
5.5.70.0030.04315.48
5.5.60.0070.04215.47
5.5.50.0030.02815.77
5.5.40.0030.04215.65
5.5.30.0030.04815.63
5.5.20.0060.03615.49
5.5.10.0090.02315.49
5.5.00.0040.04015.69
5.4.450.0050.04715.16
5.4.440.0030.04515.31
5.4.430.0080.03815.19
5.4.420.0110.03315.20
5.4.410.0090.02815.06
5.4.400.0110.02615.28
5.4.390.0070.02515.03
5.4.380.0050.02415.05
5.4.370.0030.02515.18
5.4.360.0020.04415.04
5.4.350.0020.04715.07
5.4.340.0000.04415.10
5.4.330.0000.01011.28
5.4.320.0070.04515.04
5.4.310.0070.03714.97
5.4.300.0030.02615.01
5.4.290.0100.03515.19
5.4.280.0050.03514.91
5.4.270.0120.03815.11
5.4.260.0080.04315.07
5.4.250.0040.04115.00
5.4.240.0020.04515.03
5.4.230.0070.03615.10
5.4.220.0130.03514.97
5.4.210.0070.03814.98
5.4.200.0030.04215.18
5.4.190.0070.03815.04
5.4.180.0020.04314.87
5.4.170.0070.04215.00
5.4.160.0030.03115.06
5.4.150.0050.03815.07
5.4.140.0150.02813.60
5.4.130.0080.02713.69
5.4.120.0050.03613.66
5.4.110.0120.03413.69
5.4.100.0090.04014.00
5.4.90.0030.04513.84
5.4.80.0130.02013.79
5.4.70.0070.03713.91
5.4.60.0070.02313.68
5.4.50.0010.03313.82
5.4.40.0040.02313.92
5.4.30.0110.03513.91
5.4.20.0100.03613.76
5.4.10.0080.04113.76
5.4.00.0100.03913.63
5.3.290.0040.04412.82
5.3.280.0100.03012.75
5.3.270.0060.02512.72
5.3.260.0070.02812.76
5.3.250.0050.02312.77
5.3.240.0050.03912.74
5.3.230.0060.03912.75
5.3.220.0080.03512.79
5.3.210.0090.03212.77
5.3.200.0090.03012.74
5.3.190.0100.03512.74
5.3.180.0120.03312.79
5.3.170.0130.03512.81
5.3.160.0080.03912.72
5.3.150.0090.03712.77
5.3.140.0090.03812.77
5.3.130.0080.02412.76
5.3.120.0100.03812.75
5.3.110.0070.04412.78
5.3.100.0090.03712.52
5.3.90.0060.03712.51
5.3.80.0140.02012.43
5.3.70.0110.03412.49
5.3.60.0050.02812.45
5.3.50.0100.02512.44
5.3.40.0090.03312.48
5.3.30.0070.03212.44
5.3.20.0060.03612.33
5.3.10.0020.03412.30
5.3.00.0050.03812.30
5.2.170.0080.03110.97
5.2.160.0030.03410.97
5.2.150.0020.02911.09
5.2.140.0030.02011.07
5.2.130.0050.03011.06
5.2.120.0030.03010.97
5.2.110.0020.02011.06
5.2.100.0040.03111.08
5.2.90.0090.03011.04
5.2.80.0030.02311.01
5.2.70.0060.03311.06
5.2.60.0060.03310.94
5.2.50.0030.03310.99
5.2.40.0090.02410.95
5.2.30.0060.03111.00
5.2.20.0050.02311.00
5.2.10.0050.03010.91
5.2.00.0030.03310.82
5.1.60.0050.01810.48
5.1.50.0050.02110.49
5.1.40.0000.03110.45
5.1.30.0050.02110.58
5.1.20.0060.02710.58
5.1.10.0010.03110.54
5.1.00.0030.02110.52
5.0.50.0050.0229.77
5.0.40.0070.0229.70
5.0.30.0030.0349.61
5.0.20.0070.0189.60
5.0.10.0050.0209.59
5.0.00.0030.0359.57
4.4.90.0020.0139.44
4.4.80.0020.0169.44
4.4.70.0040.0179.44
4.4.60.0030.0199.44
4.4.50.0030.0189.44
4.4.40.0020.0259.44
4.4.30.0000.0219.44
4.4.20.0020.0219.44
4.4.10.0040.0189.44
4.4.00.0030.0289.44
4.3.110.0020.0219.44
4.3.100.0030.0149.44
4.3.90.0030.0109.44
4.3.80.0030.0269.44
4.3.70.0020.0189.44
4.3.60.0030.0179.44
4.3.50.0050.0159.44
4.3.40.0020.0179.44
4.3.30.0000.0229.44
4.3.20.0020.0109.44
4.3.10.0020.0199.44
4.3.00.0030.0149.44

preferences:
44.71 ms | 401 KiB | 5 Q