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"); ?>

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)
8.3.60.0130.02620.21
8.3.50.0140.02222.99
8.3.40.0110.01820.96
8.3.30.0140.01421.17
8.3.20.0070.01022.77
8.3.10.0070.00725.46
8.3.00.0090.00624.52
8.2.180.0160.01618.63
8.2.170.0070.02322.96
8.2.160.0130.02322.51
8.2.150.0100.00724.18
8.2.140.0000.01524.66
8.2.130.0120.01826.16
8.2.120.0060.00924.41
8.2.110.0070.01722.76
8.2.100.0060.01620.03
8.2.90.0040.01621.47
8.2.80.0060.01319.75
8.2.70.0040.01519.88
8.2.60.0030.01720.18
8.2.50.0000.02019.88
8.2.40.0080.01221.66
8.2.30.0060.01220.13
8.2.20.0060.01219.85
8.2.10.0000.01819.87
8.2.00.0060.01219.86
8.1.280.0130.02025.92
8.1.270.0040.01130.02
8.1.260.0030.01426.35
8.1.250.0100.00728.09
8.1.240.0000.02430.04
8.1.230.0100.01420.89
8.1.220.0060.01321.14
8.1.210.0030.01720.86
8.1.200.0120.00920.73
8.1.190.0030.01620.91
8.1.180.0030.01620.85
8.1.170.0060.01222.00
8.1.160.0030.01725.36
8.1.150.0000.01921.95
8.1.140.0060.01220.73
8.1.130.0060.01321.20
8.1.120.0070.01120.71
8.1.110.0060.01320.79
8.1.100.0040.01520.74
8.1.90.0000.01920.70
8.1.80.0000.01920.70
8.1.70.0000.01820.75
8.1.60.0030.02120.94
8.1.50.0030.02120.74
8.1.40.0030.02020.82
8.1.30.0030.02020.88
8.1.20.0140.01020.88
8.1.10.0070.01720.85
8.1.00.0070.01620.75
8.0.300.0060.01220.29
8.0.290.0080.01120.00
8.0.280.0060.01321.57
8.0.270.0060.01220.52
8.0.260.0000.01820.05
8.0.250.0060.01220.09
8.0.240.0040.01520.00
8.0.230.0070.01320.02
8.0.220.0030.01519.87
8.0.210.0060.01620.01
8.0.200.0000.01819.90
8.0.190.0030.02019.98
8.0.180.0030.01920.06
8.0.170.0000.02419.96
8.0.160.0070.01719.88
8.0.150.0070.01719.95
8.0.140.0030.01919.86
8.0.130.0070.01416.54
8.0.120.0060.01819.87
8.0.110.0040.01919.93
8.0.100.0100.01319.84
8.0.90.0030.02019.88
8.0.80.0160.03819.98
8.0.70.0070.01819.88
8.0.60.0080.01520.00
8.0.50.0060.01620.07
8.0.30.0060.03620.49
8.0.20.0130.03020.22
8.0.10.0030.02020.15
8.0.00.0150.04019.94
7.4.330.0000.01821.09
7.4.320.0040.01519.62
7.4.300.0040.01419.48
7.4.290.0030.02019.54
7.4.280.0030.01919.63
7.4.270.0060.02119.75
7.4.260.0000.02319.63
7.4.250.0030.02119.64
7.4.240.0080.01419.67
7.4.230.0030.01919.81
7.4.220.0160.03919.68
7.4.210.0120.03019.71
7.4.200.0060.01619.74
7.4.190.0030.01919.78
7.4.160.0100.04419.43
7.4.150.0180.02519.93
7.4.140.0130.02819.77
7.4.130.0190.03419.68
7.4.120.0100.03319.67
7.4.110.0070.03519.62
7.4.100.0130.03219.46
7.4.90.0100.03219.60
7.4.80.0200.02619.54
7.4.70.0100.04619.79
7.4.60.0170.04419.73
7.4.50.0070.02419.67
7.4.40.0100.03022.77
7.4.30.0100.03219.55
7.4.00.0030.03817.98
7.3.330.0100.01716.59
7.3.320.0030.01716.48
7.3.310.0000.02219.46
7.3.300.0030.01919.35
7.3.290.0240.03419.63
7.3.280.0130.03619.48
7.3.270.0100.03419.82
7.3.260.0160.03619.90
7.3.250.0090.04519.85
7.3.240.0070.03619.48
7.3.230.0070.03819.74
7.3.210.0190.02919.56
7.3.200.0110.05419.81
7.3.190.0130.03319.81
7.3.180.0160.03619.77
7.3.170.0060.03819.66
7.3.160.0090.03619.66
7.3.120.0030.04018.03
7.3.10.0060.03222.89
7.3.00.0030.03622.45
7.2.330.0100.03419.83
7.2.320.0160.02919.96
7.2.310.0040.05419.90
7.2.300.0100.05219.89
7.2.290.0160.04319.75
7.2.130.0160.03222.82
7.2.120.0060.02522.70
7.2.110.0000.03422.77
7.2.100.0030.02922.88
7.2.90.0000.03423.01
7.2.80.0030.03422.91
7.2.70.0000.03922.79
7.2.60.0110.03622.67
7.2.50.0070.03322.57
7.2.40.0030.03323.03
7.2.30.0130.03522.95
7.2.20.0160.02922.63
7.2.10.0030.03323.05
7.2.00.0030.02924.16
7.1.250.0120.03721.92
7.1.100.5450.02019.98
7.1.70.0030.02123.09
7.1.60.0130.04323.09
7.1.50.0230.04022.75
7.1.00.0030.11328.24
7.0.200.0170.02422.88
7.0.140.0070.10727.98
7.0.60.0070.07723.27
7.0.50.0070.06321.16
7.0.40.0030.06020.14
7.0.30.0530.07720.11
7.0.20.0300.09720.24
7.0.10.0130.10320.05
7.0.00.0130.09020.12
5.6.280.0070.14733.14
5.6.210.0170.07733.15
5.6.200.0130.10030.54
5.6.190.0170.10732.71
5.6.180.0370.10732.78
5.6.170.0370.10332.78
5.6.160.0100.14732.77
5.6.150.0170.13030.50
5.6.140.0100.09030.51
5.6.130.0170.12730.52
5.6.120.0070.10333.39
5.6.110.0030.09033.49
5.6.100.0100.13333.50
5.6.90.0230.11333.48
5.6.80.0170.10032.72
5.5.350.0430.12032.87
5.5.340.0070.08730.41
5.5.330.0230.12332.62
5.5.320.0300.12732.50
5.5.310.0470.07332.58
5.5.300.0100.08030.34
5.5.290.0070.14030.38
5.5.280.0170.14033.18
5.5.270.0170.13733.21
5.5.260.0030.09033.26
5.5.250.0130.11033.16
5.5.240.0030.12732.57
5.4.450.0500.14331.93
5.4.440.0470.14731.93
5.4.430.0300.15331.92
5.4.420.0330.12031.65
5.4.410.0230.21731.82
5.4.400.0170.14031.39
5.4.390.0330.13731.34
5.4.380.0170.14731.31
5.4.370.0400.14730.95
5.4.360.0400.13330.95
5.4.350.0630.17031.11
5.4.340.0830.18031.10
5.4.320.0080.09324.88
5.4.310.0090.09324.88
5.4.300.0150.09424.88
5.4.290.0080.10224.87
5.4.280.0120.15024.74
5.4.270.0170.16824.75
5.4.260.0160.13924.75
5.4.250.0180.13024.74
5.4.240.0130.15124.75
5.4.230.0230.15024.74
5.4.220.0100.10924.74
5.4.210.0110.09324.74
5.4.200.0130.09724.74
5.4.190.0080.11524.74
5.4.180.0090.09224.73
5.4.170.0120.09424.75
5.4.160.0090.09024.73
5.4.150.0210.09724.74
5.4.140.0120.11324.42
5.4.130.0150.09324.41
5.4.120.0080.15824.36
5.4.110.0130.11024.36
5.4.100.0130.15724.36
5.4.90.0170.14924.36
5.4.80.0160.18224.36
5.4.70.0130.12224.35
5.4.60.0130.10124.36
5.4.50.0090.13924.36
5.4.40.0100.09424.34
5.4.30.0130.09424.34
5.4.20.0100.10924.34
5.4.10.0100.10224.34
5.4.00.0110.11523.83
5.3.290.0070.11124.84
5.3.280.0160.15724.74
5.3.270.0110.11824.75
5.3.260.0130.16924.75
5.3.250.0150.20724.75
5.3.240.0120.13424.75
5.3.230.0130.11824.74
5.3.220.0130.10724.71
5.3.210.0170.11924.71
5.3.200.0140.11124.71
5.3.190.0170.13224.71
5.3.180.0090.12824.70
5.3.170.0070.12224.70
5.3.160.0140.13024.70
5.3.150.0100.13924.71
5.3.140.0110.16024.70
5.3.130.0130.13224.69
5.3.120.0110.12024.69
5.3.110.0150.16424.69
5.3.100.0110.17624.18
5.3.90.0090.12624.16
5.3.80.0190.15624.15
5.3.70.0140.17124.15
5.3.60.0160.14924.13
5.3.50.0200.13224.08
5.3.40.0150.12024.08
5.3.30.0130.14824.04
5.3.20.0170.15623.82
5.3.10.0150.12923.78
5.3.00.0100.11923.77
5.2.170.0150.10720.75
5.2.160.0100.13520.74
5.2.150.0190.15820.75
5.2.140.0090.17320.73
5.2.130.0090.17020.70
5.2.120.0150.16920.70
5.2.110.0170.16120.71
5.2.100.0200.13520.70
5.2.90.0210.13320.70
5.2.80.0070.14320.70
5.2.70.0170.12320.69
5.2.60.0150.13120.65
5.2.50.0140.12920.62
5.2.40.0120.15820.59
5.2.30.0170.16120.32
5.2.20.0170.22620.30
5.2.10.0220.20220.64
5.2.00.0090.18420.08
5.1.60.0100.17123.60
5.1.50.0170.19623.59
5.1.40.0120.17823.57
5.1.30.0150.17123.92
5.1.20.0200.16523.95
5.1.10.0160.16423.67
5.1.00.0160.18623.67
5.0.50.0130.30822.16
5.0.40.0180.27622.02
5.0.30.0130.28721.82
5.0.20.0170.30921.80
5.0.10.0170.23621.78
5.0.00.0190.22021.77
4.4.90.0150.20420.17
4.4.80.0100.18820.16
4.4.70.0090.18620.15
4.4.60.0140.21020.16
4.4.50.0170.28220.17
4.4.40.0180.22220.16
4.4.30.0180.23020.17
4.4.20.0160.23120.22
4.4.10.0170.27620.22
4.4.00.0150.28620.20
4.3.110.0090.18820.10
4.3.100.0180.28520.09
4.3.90.0160.28420.07
4.3.80.0090.21020.08
4.3.70.0070.18920.07
4.3.60.0130.19420.07
4.3.50.0100.23820.07
4.3.40.0070.19420.02
4.3.30.0110.18918.83
4.3.20.0070.28318.82
4.3.10.0200.29218.77
4.3.00.0270.28019.89

preferences:
69.52 ms | 400 KiB | 5 Q