3v4l.org

run code in 300+ PHP versions simultaneously
<?php function LevenshteinDistance($str1, $str2) { $d = array (); $len1 = strlen($str1); $len2 = strlen($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("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","qwertyuioasdfghjklzxcvbnmfghjkyudfghjkcvbnmqwertyudfghjxcvbnqwertyuioplkjhgfdsamnbcvbhfeghipnvcseaaaaaaaaaaaaaaaaaaaaaaaaafjjuuuuuuuuuuuuuuuuuuuuuihkhjyftytdtvjhbkjnklklnbvvvvvvvvvhvhgzredyvjkjhiohiguyygjpojohuihuybhjmnknklnlkbhjcgcgcjhblk;lkoiouigjggggggggggggggggggggggggggggggggggggggggggggggggggg").'<br>'; echo levenshtein("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","qwertyuioasdfghjklzxcvbnmfghjkyudfghjkcvbnmqwertyudfghjxcvbnqwertyuioplkjhgfdsamnbcvbhfeghipnvcseaaaaaaaaaaaaaaaaaaaaaaaaafjjuuuuuuuuuuuuuuuuuuuuuihkhjyftytdtvjhbkjnklklnbvvvvvvvvvhvhgzredyvjkjhiohiguyygjpojohuihuybhjmnknklnlkbhjcgcgcjhblk;lkoiouigjggggggggggggggggggggggggggggggggggggggggggggggggggg"); ?>

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)
8.3.60.0070.02620.48
8.3.50.0110.01923.03
8.3.40.0110.02821.13
8.3.30.0100.02821.34
8.3.20.0040.01122.53
8.3.10.0040.01125.60
8.3.00.0040.01224.28
8.2.180.0090.02219.38
8.2.170.0100.02622.96
8.2.160.0150.01522.82
8.2.150.0030.01324.18
8.2.140.0100.00724.66
8.2.130.0070.03026.16
8.2.120.0060.00921.95
8.2.110.0100.01423.16
8.2.100.0060.01920.16
8.2.90.0000.01920.28
8.2.80.0000.01919.63
8.2.70.0040.01519.63
8.2.60.0080.01120.18
8.2.50.0000.01919.88
8.2.40.0030.01621.63
8.2.30.0060.01220.31
8.2.20.0030.01619.83
8.2.10.0030.01519.93
8.2.00.0040.01519.88
8.1.280.0130.02625.92
8.1.270.0070.02230.10
8.1.260.0090.00926.35
8.1.250.0100.00728.09
8.1.240.0100.01625.68
8.1.230.0030.02024.45
8.1.220.0060.01321.15
8.1.210.0060.01623.60
8.1.200.0070.01420.73
8.1.190.0030.01621.03
8.1.180.0070.01320.50
8.1.170.0030.01722.09
8.1.160.0000.01925.36
8.1.150.0030.01722.03
8.1.140.0060.01320.77
8.1.130.0030.01621.21
8.1.120.0060.01220.80
8.1.110.0030.01520.79
8.1.100.0030.01620.68
8.1.90.0030.01620.72
8.1.80.0070.01120.73
8.1.70.0040.01420.72
8.1.60.0070.01720.78
8.1.50.0030.02020.74
8.1.40.0030.02120.71
8.1.30.0000.02420.81
8.1.20.0030.02020.96
8.1.10.0030.02020.84
8.1.00.0030.02020.77
8.0.300.0000.01923.26
8.0.290.0030.01620.00
8.0.280.0060.01321.64
8.0.270.0030.01620.36
8.0.260.0040.01519.88
8.0.250.0000.01919.90
8.0.240.0040.01519.96
8.0.230.0000.02019.99
8.0.220.0090.00920.01
8.0.210.0030.01619.99
8.0.200.0040.01519.89
8.0.190.0070.01719.96
8.0.180.0080.01519.88
8.0.170.0040.02220.11
8.0.160.0100.01319.95
8.0.150.0100.01320.00
8.0.140.0070.01719.85
8.0.130.0070.02316.43
8.0.120.0030.02019.87
8.0.110.0000.02319.96
8.0.100.0090.01519.79
8.0.90.0070.01719.84
8.0.80.0160.02320.11
8.0.70.0030.02019.95
8.0.60.0070.01619.95
8.0.50.0000.02320.03
8.0.30.0260.02720.31
8.0.20.0110.03020.19
8.0.10.0070.01720.02
8.0.00.0130.04319.94
7.4.330.0000.01721.07
7.4.320.0000.02019.74
7.4.300.0040.01519.79
7.4.290.0070.01619.55
7.4.280.0040.01819.70
7.4.270.0120.01519.71
7.4.260.0060.01619.61
7.4.250.0070.01719.72
7.4.240.0020.02019.71
7.4.230.0030.01919.62
7.4.220.0170.03019.63
7.4.210.0130.02519.64
7.4.200.0000.02319.71
7.4.190.0060.01619.89
7.4.160.0100.02819.46
7.4.150.0130.02919.75
7.4.140.0110.04219.71
7.4.130.0120.03319.66
7.4.120.0070.03519.58
7.4.110.0160.02519.67
7.4.100.0120.03619.63
7.4.90.0070.03619.78
7.4.80.0080.03519.75
7.4.70.0130.03019.57
7.4.60.0030.04119.40
7.4.50.0030.01319.58
7.4.40.0070.03322.77
7.4.30.0030.03819.82
7.4.10.0100.04518.07
7.4.00.0070.03718.22
7.3.330.0070.01816.63
7.3.320.0040.01816.57
7.3.310.0060.01619.54
7.3.300.0060.01619.33
7.3.290.0140.02419.50
7.3.280.0160.03519.49
7.3.270.0100.03319.77
7.3.260.0190.02919.79
7.3.250.0140.03819.60
7.3.240.0130.03019.52
7.3.230.0110.03619.68
7.3.210.0070.05019.61
7.3.200.0130.04919.82
7.3.190.0070.05519.70
7.3.180.0040.03919.74
7.3.170.0090.03419.64
7.3.160.0070.03719.44
7.3.130.0090.04418.22
7.3.120.0120.03317.96
7.3.110.0120.03518.16
7.3.100.0050.03717.99
7.3.90.0080.03518.01
7.3.80.0060.03717.91
7.3.70.0030.03017.98
7.3.60.0050.03318.24
7.3.50.0070.03017.93
7.3.40.0100.02517.98
7.3.30.0090.03117.81
7.3.20.0050.02822.54
7.3.10.0070.03222.74
7.3.00.0090.03022.56
7.2.330.0030.04119.89
7.2.320.0160.02919.77
7.2.310.0100.03619.88
7.2.300.0230.04019.70
7.2.290.0150.03119.74
7.2.260.0030.05218.04
7.2.250.0080.04118.35
7.2.240.0100.04017.95
7.2.230.0080.03718.12
7.2.220.0110.02918.20
7.2.210.0070.03918.39
7.2.200.0020.03818.13
7.2.190.0050.03118.34
7.2.180.0070.03318.18
7.2.170.0020.03618.10
7.2.160.0030.03418.37
7.2.150.0070.03022.77
7.2.140.0070.02823.09
7.2.130.0070.03322.93
7.2.120.0150.02922.84
7.2.110.0140.02922.96
7.2.100.0060.03922.68
7.2.90.0100.03222.83
7.2.80.0090.03922.81
7.2.70.0110.02922.81
7.2.60.0180.03422.83
7.2.50.0060.03222.86
7.2.40.0110.02922.91
7.2.30.0070.03222.78
7.2.20.0030.04322.91
7.2.10.0120.03522.83
7.2.00.0060.04122.86
7.1.330.0050.04721.75
7.1.320.0070.04621.84
7.1.310.0100.05021.83
7.1.300.0030.05621.89
7.1.290.0070.04821.79
7.1.280.0080.04821.87
7.1.270.0100.04321.54
7.1.260.0080.04021.67
7.1.250.0080.05221.84
7.1.240.0130.04821.72
7.1.230.0130.04621.72
7.1.220.0080.05421.83
7.1.210.0040.05221.60
7.1.200.0050.04221.70
7.1.190.0080.04821.84
7.1.180.0050.05421.63
7.1.170.0100.04421.69
7.1.160.0070.04721.72
7.1.150.0080.05121.48
7.1.140.0120.04821.71
7.1.130.0070.04521.75
7.1.120.0080.04721.64
7.1.110.0120.05121.79
7.1.100.0060.05321.79
7.1.90.0110.04621.58
7.1.80.0060.05221.79
7.1.70.0090.04122.01
7.1.60.0080.04822.04
7.1.50.0060.04721.97
7.1.40.0130.04721.72
7.1.30.0100.04921.70
7.1.20.0120.04521.69
7.1.10.0100.04421.63
7.1.00.0080.06423.33
7.0.330.0170.04921.39
7.0.320.0080.04921.37
7.0.310.0110.04221.44
7.0.300.0080.04621.29
7.0.290.0050.05121.34
7.0.280.0100.04621.38
7.0.270.0100.04721.37
7.0.260.0100.04921.39
7.0.250.0060.05621.49
7.0.240.0120.05021.41
7.0.230.0090.04921.26
7.0.220.0070.05421.32
7.0.210.0100.04821.43
7.0.200.0090.04121.75
7.0.190.0090.04721.50
7.0.180.0120.04521.50
7.0.170.0130.04521.43
7.0.160.0100.04621.47
7.0.150.0060.05121.45
7.0.140.0080.06223.07
7.0.130.0090.05121.39
7.0.120.0050.05121.45
7.0.110.0100.04321.36
7.0.100.0050.04921.39
7.0.90.0070.05521.34
7.0.80.0080.04821.40
7.0.70.0080.05221.48
7.0.60.0040.06721.92
7.0.50.0090.04921.36
7.0.40.0070.05515.16
7.0.30.0080.05515.10
7.0.20.0120.05915.13
7.0.10.0070.05215.21
7.0.00.0030.05715.10
5.6.400.0130.09326.93
5.6.390.0100.09226.38
5.6.380.0100.10226.77
5.6.370.0110.09226.71
5.6.360.0110.08926.82
5.6.350.0110.10026.56
5.6.340.0100.09826.67
5.6.330.0150.09126.88
5.6.320.0090.09626.86
5.6.310.0100.09626.88
5.6.300.0120.09526.87
5.6.290.0160.09426.65
5.6.280.0120.10528.50
5.6.270.0120.09626.87
5.6.260.0080.10126.81
5.6.250.0120.09626.78
5.6.240.0110.09626.67
5.6.230.0120.09726.69
5.6.220.0130.09726.77
5.6.210.0100.10528.34
5.6.200.0120.10027.71
5.6.190.0150.10028.23
5.6.180.0110.09528.36
5.6.170.0130.08928.22
5.6.160.0140.10328.23
5.6.150.0090.10927.62
5.6.140.0120.09527.57
5.6.130.0070.10727.54
5.6.120.0130.09728.50
5.6.110.0090.10028.29
5.6.100.0120.11928.44
5.6.90.0170.11228.37
5.6.80.0140.10228.30
5.6.70.0190.10526.67
5.6.60.0180.08526.71
5.6.50.0090.09526.71
5.6.40.0100.09526.72
5.6.30.0150.09926.63
5.6.20.0140.09626.51
5.6.10.0160.08626.66
5.6.00.0120.10026.60
5.5.380.0150.09324.51
5.5.370.0150.09524.55
5.5.360.0140.10324.61
5.5.350.0180.09826.60
5.5.340.0090.10326.12
5.5.330.0120.09526.42
5.5.320.0150.09426.63
5.5.310.0190.09026.70
5.5.300.0120.10426.16
5.5.290.0120.11725.99
5.5.280.0070.09526.74
5.5.270.0110.09226.70
5.5.260.0140.10826.71
5.5.250.0110.11226.41
5.5.240.0070.10626.53
5.5.230.0120.09824.68
5.5.220.0130.10224.45
5.5.210.0090.09724.33
5.5.200.0070.10224.58
5.5.190.0100.10524.39
5.5.180.0060.10524.61
5.5.170.0180.09624.33
5.5.160.0130.09524.46
5.5.150.0040.11524.50
5.5.140.0110.09724.52
5.5.130.0100.10124.46
5.5.120.0060.10024.55
5.5.110.0120.09424.45
5.5.100.0100.09924.58
5.5.90.0120.09624.45
5.5.80.0130.09424.62
5.5.70.0090.09624.53
5.5.60.0120.09824.31
5.5.50.0100.10124.46
5.5.40.0080.10024.55
5.5.30.0100.09424.43
5.5.20.0060.10924.46
5.5.10.0140.09224.47
5.5.00.0100.09924.48
5.4.450.0130.11325.65
5.4.440.0170.10925.52
5.4.430.0190.11525.58
5.4.420.0180.11125.59
5.4.410.0130.11125.42
5.4.400.0120.11925.34
5.4.390.0190.12425.42
5.4.380.0130.10925.42
5.4.370.0180.11325.27
5.4.360.0420.11825.23
5.4.350.0190.11225.34
5.4.340.0230.11525.21
5.4.330.0070.09823.23
5.4.320.0090.11023.74
5.4.310.0110.09823.71
5.4.300.0080.10723.77
5.4.290.0090.10223.87
5.4.280.0090.09423.60
5.4.270.0150.09623.75
5.4.260.0070.10123.70
5.4.250.0130.10023.62
5.4.240.0070.09823.79
5.4.230.0110.10023.56
5.4.220.0110.10223.66
5.4.210.0100.11223.79
5.4.200.0110.09923.75
5.4.190.0100.10123.74
5.4.180.0110.09923.61
5.4.170.0090.09823.75
5.4.160.0080.11223.64
5.4.150.0100.11223.65
5.4.140.0110.10623.72
5.4.130.0100.10323.62
5.4.120.0090.11623.71
5.4.110.0110.10823.71
5.4.100.0050.10423.67
5.4.90.0100.09723.65
5.4.80.0090.11723.70
5.4.70.0100.12123.63
5.4.60.0130.11123.70
5.4.50.0120.10723.62
5.4.40.0090.11123.69
5.4.30.0090.10123.61
5.4.20.0110.11723.70
5.4.10.0120.12323.62
5.4.00.0100.10923.47
5.3.290.0100.11523.10
5.3.280.0120.11623.05
5.3.270.0090.12323.16
5.3.260.0130.12623.11
5.3.250.0120.10723.02
5.3.240.0100.10922.99
5.3.230.0050.12022.96
5.3.220.0100.12122.96
5.3.210.0120.12523.00
5.3.200.0080.11022.99
5.3.190.0170.11223.07
5.3.180.0140.12223.08
5.3.170.0110.10823.11
5.3.160.0120.10723.11
5.3.150.0100.12623.10
5.3.140.0110.12423.13
5.3.130.0090.12323.13
5.3.120.0150.12023.11
5.3.110.0120.11223.05
5.3.100.0120.11522.97
5.3.90.0120.10622.87
5.3.80.0140.10922.86
5.3.70.0140.13522.81
5.3.60.0080.12422.80
5.3.50.0080.13022.80
5.3.40.0090.13722.84
5.3.30.0090.12322.89
5.3.20.0140.11522.68
5.3.10.0080.10722.60
5.3.00.0130.10422.54
5.2.170.0170.11120.72
5.2.160.0120.11520.81
5.2.150.0140.11120.80
5.2.140.0080.11520.73
5.2.130.0110.11820.77
5.2.120.0130.12520.80
5.2.110.0130.12920.79
5.2.100.0090.13420.82
5.2.90.0120.12820.67
5.2.80.0180.12420.61
5.2.70.0110.13020.64
5.2.60.0140.12520.60
5.2.50.0090.13220.69
5.2.40.0080.12220.68
5.2.30.0110.11320.57
5.2.20.0110.11420.54
5.2.10.0110.12220.54
5.2.00.0090.12920.32
5.1.60.0140.13923.81
5.1.50.0110.13523.94
5.1.40.0160.14023.88
5.1.30.0080.14024.09
5.1.20.0100.12824.10
5.1.10.0120.16224.02
5.1.00.0100.13923.93
5.0.50.0100.24522.63
5.0.40.0170.26322.54
5.0.30.0080.26722.49
5.0.20.0150.23422.58
5.0.10.0110.21522.38
5.0.00.0100.26322.43
4.4.90.0120.24820.54
4.4.80.0120.24420.58
4.4.70.0190.23120.56
4.4.60.0080.25220.49
4.4.50.0150.25020.58
4.4.40.0110.24320.61
4.4.30.0140.23920.54
4.4.20.0160.25020.65
4.4.10.0170.23420.52
4.4.00.0120.23420.45
4.3.110.0080.23720.39
4.3.100.0150.22220.41
4.3.90.0060.24820.47
4.3.80.0120.23720.35
4.3.70.0090.23720.30
4.3.60.0100.25020.38
4.3.50.0080.26020.42
4.3.40.0120.24920.45
4.3.30.0070.25919.51
4.3.20.0110.24019.56
4.3.10.0070.24219.61
4.3.00.0100.23620.01

preferences:
44.83 ms | 401 KiB | 5 Q