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"); ?>

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)
8.3.60.0090.00616.50
8.3.50.0090.01022.06
8.3.40.0110.00718.73
8.3.30.0090.00618.81
8.3.20.0000.00820.31
8.3.10.0060.00323.50
8.3.00.0040.00422.39
8.2.180.0130.00316.50
8.2.170.0140.00722.96
8.2.160.0130.00022.32
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0020.00522.18
8.2.110.0070.00322.29
8.2.100.0070.00417.91
8.2.90.0000.00817.97
8.2.80.0040.00817.97
8.2.70.0120.00017.50
8.2.60.0000.00817.80
8.2.50.0030.00818.07
8.2.40.0040.00420.01
8.2.30.0030.00518.02
8.2.20.0040.00417.82
8.2.10.0050.00319.41
8.2.00.0030.00517.67
8.1.280.0100.00725.92
8.1.270.0050.00322.08
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00622.61
8.1.230.0080.00320.97
8.1.220.0080.00017.79
8.1.210.0090.00018.97
8.1.200.0070.00317.35
8.1.190.0040.00417.63
8.1.180.0030.00618.10
8.1.170.0060.00318.67
8.1.160.0040.00422.00
8.1.150.0050.00318.57
8.1.140.0040.00417.52
8.1.130.0030.00317.89
8.1.120.0070.00017.46
8.1.110.0040.00417.43
8.1.100.0040.00417.47
8.1.90.0000.00817.39
8.1.80.0000.00717.44
8.1.70.0070.00017.46
8.1.60.0030.00617.63
8.1.50.0000.00817.58
8.1.40.0040.00417.60
8.1.30.0080.00017.61
8.1.20.0080.00017.64
8.1.10.0000.00817.67
8.1.00.0040.00417.59
8.0.300.0000.00820.11
8.0.290.0040.00417.28
8.0.280.0030.00318.58
8.0.270.0080.00017.26
8.0.260.0000.00716.89
8.0.250.0000.00717.05
8.0.240.0000.00817.05
8.0.230.0040.00417.04
8.0.220.0040.00416.84
8.0.210.0030.00716.97
8.0.200.0000.00717.01
8.0.190.0080.00017.06
8.0.180.0070.00016.90
8.0.170.0000.00716.98
8.0.160.0030.00516.87
8.0.150.0040.00416.99
8.0.140.0040.00416.99
8.0.130.0030.00313.45
8.0.120.0000.00816.89
8.0.110.0070.00016.98
8.0.100.0000.00717.04
8.0.90.0040.00416.77
8.0.80.0090.00616.93
8.0.70.0000.00716.77
8.0.60.0040.00417.01
8.0.50.0070.00016.93
8.0.30.0100.01216.92
8.0.20.0120.00617.40
8.0.10.0000.00716.93
8.0.00.0180.01216.72
7.4.330.0000.00515.09
7.4.320.0000.00616.64
7.4.300.0030.00316.52
7.4.290.0000.00716.50
7.4.280.0040.00416.61
7.4.270.0030.00316.63
7.4.260.0080.00016.50
7.4.250.0000.00816.39
7.4.240.0000.00716.59
7.4.230.0000.00716.59
7.4.220.0070.00916.48
7.4.210.0090.00716.50
7.4.200.0000.00716.37
7.4.190.0030.00316.40
7.4.160.0050.01116.57
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0080.00816.60
7.4.120.0090.01216.59
7.4.110.0130.00316.55
7.4.100.0000.01816.59
7.4.90.0060.01016.46
7.4.80.0030.01316.54
7.4.70.0100.00716.27
7.4.60.0070.01016.42
7.4.50.0000.00716.43
7.4.40.0120.00322.77
7.4.30.0140.00416.62
7.4.00.0080.00914.91
7.3.330.0050.00013.38
7.3.320.0000.00613.43
7.3.310.0040.00416.25
7.3.300.0000.00716.25
7.3.290.0070.00716.31
7.3.280.0070.00716.33
7.3.270.0140.00517.40
7.3.260.0100.00716.61
7.3.250.0120.00716.35
7.3.240.0030.01316.53
7.3.230.0070.01116.39
7.3.210.0080.00816.40
7.3.200.0100.01119.39
7.3.190.0100.00816.45
7.3.180.0070.01016.36
7.3.170.0060.00916.37
7.3.160.0140.00316.47
7.3.120.0080.01014.90
7.3.110.0050.01414.79
7.3.100.0040.01114.69
7.3.90.0050.00914.97
7.3.80.0050.01015.08
7.3.70.0070.00714.84
7.3.60.0020.01014.84
7.3.50.0080.00714.87
7.3.40.0020.01114.75
7.3.30.0060.00614.98
7.3.20.0090.00416.67
7.3.10.0040.01016.63
7.3.00.0040.00916.71
7.2.330.0100.00716.63
7.2.320.0100.00716.88
7.2.310.0090.00916.67
7.2.300.0100.01016.74
7.2.290.0130.00316.78
7.2.250.0050.01415.10
7.2.240.0030.01515.26
7.2.230.0070.01014.93
7.2.220.0020.01014.84
7.2.210.0060.00915.21
7.2.200.0060.01115.05
7.2.190.0090.00415.15
7.2.180.0020.01015.10
7.2.170.0040.00815.22
7.2.00.0030.00919.49
7.1.330.0070.00715.77
7.1.320.0000.01615.85
7.1.310.0070.00915.71
7.1.300.0050.00615.79
7.1.290.0060.00815.92
7.1.280.0030.00715.75
7.1.270.0020.01115.84
7.1.260.0070.00815.87
7.1.100.0000.01217.91
7.1.70.0080.00316.88
7.1.60.0090.00619.29
7.1.50.0280.01135.00
7.1.00.0070.07322.30
7.0.200.0090.00616.61
7.0.140.0000.07722.16
7.0.60.0070.07719.89
7.0.50.0100.04317.93
7.0.40.0130.06720.09
7.0.30.0370.03720.07
7.0.20.0330.05720.26
7.0.10.0100.07720.10
7.0.00.0070.05720.07
5.6.280.0030.07321.04
5.6.210.0030.04720.49
5.6.200.0070.08018.22
5.6.190.0030.09020.34
5.6.180.0170.06320.68
5.6.170.0270.07020.52
5.6.160.0030.05020.47
5.6.150.0000.09018.15
5.6.140.0170.06318.23
5.6.130.0170.04318.23
5.6.120.0100.08021.03
5.6.110.0070.06021.12
5.6.100.0030.04020.98
5.6.90.0070.08721.09
5.6.80.0130.05020.52
5.5.350.0000.06020.36
5.5.340.0130.06318.07
5.5.330.0070.03720.13
5.5.320.0230.07320.38
5.5.310.0170.05020.38
5.5.300.0030.04318.02
5.5.290.0070.08717.95
5.5.280.0030.08320.99
5.5.270.0100.08320.81
5.5.260.0070.06320.80
5.5.250.0130.03020.67
5.5.240.0030.08320.34
5.4.450.0300.05019.39
5.4.440.0800.07719.45
5.4.430.0630.06319.44
5.4.420.0630.05019.16
5.4.410.0030.06318.95
5.4.400.0070.05718.63
5.4.390.0170.04718.60
5.4.380.0170.05018.63
5.4.370.0200.05318.78
5.4.360.0130.05718.76
5.4.350.0100.06318.74
5.4.340.0170.07318.79
5.4.320.0070.03412.51
5.4.310.0060.03812.51
5.4.300.0090.03412.51
5.4.290.0090.03512.50
5.4.280.0260.10812.38
5.4.270.0140.09012.38
5.4.260.0180.10412.38
5.4.250.0280.14512.38
5.4.240.0240.09212.38
5.4.230.0270.11512.37
5.4.220.0190.10912.37
5.4.210.0220.11112.37
5.4.200.0190.09612.37
5.4.190.0290.08912.36
5.4.180.0440.12012.36
5.4.170.0260.09712.38
5.4.160.0100.05612.37
5.4.150.0080.05812.37
5.4.140.0080.05712.05
5.4.130.0130.05312.04
5.4.120.0140.05712.00
5.4.110.0060.06611.99
5.4.100.0170.05311.99
5.4.90.0120.05812.00
5.4.80.0250.13111.99
5.4.70.0500.12511.98
5.4.60.0230.12811.98
5.4.50.0220.07811.98
5.4.40.0160.09211.97
5.4.30.0160.08811.97
5.4.20.0110.06511.97
5.4.10.0190.11011.98
5.4.00.0130.10011.46
5.3.290.0070.03712.80
5.3.280.0230.12312.70
5.3.270.0170.11912.73
5.3.260.0230.10812.72
5.3.250.0290.10212.71
5.3.240.0250.07412.72
5.3.230.0240.07212.71
5.3.220.0160.12612.68
5.3.210.0130.08312.68
5.3.200.0170.09412.68
5.3.190.0090.08012.68
5.3.180.0220.07512.68
5.3.170.0270.10112.67
5.3.160.0120.07812.67
5.3.150.0180.08012.67
5.3.140.0220.07712.66
5.3.130.0170.08712.66
5.3.120.0180.11012.66
5.3.110.0130.08112.66
5.3.100.0120.06012.12
5.3.90.0180.07712.09
5.3.80.0070.05212.08
5.3.70.0230.07212.07
5.3.60.0250.08312.06
5.3.50.0060.06012.02
5.3.40.0100.05612.01
5.3.30.0170.06211.97
5.3.20.0060.06311.75
5.3.10.0150.08711.71
5.3.00.0130.05911.70
5.2.170.0110.0469.20
5.2.160.0080.0439.20
5.2.150.0100.0459.20
5.2.140.0220.0909.20
5.2.130.0120.0689.16
5.2.120.0140.0509.16
5.2.110.0050.0539.17
5.2.100.0120.0489.17
5.2.90.0100.0509.16
5.2.80.0130.0509.16
5.2.70.0100.0539.16
5.2.60.0090.0549.11
5.2.50.0090.0569.08
5.2.40.0090.0509.05
5.2.30.0080.0519.04
5.2.20.0100.0469.02
5.2.10.0120.0408.94
5.2.00.0100.0468.80
5.1.60.0050.0478.08
5.1.50.0070.0438.08
5.1.40.0080.0418.07
5.1.30.0070.0468.41
5.1.20.0060.0458.44
5.1.10.0070.0418.16
5.1.00.0150.0358.16
5.0.50.0060.0346.64
5.0.40.0060.0326.51
5.0.30.0160.0466.31
5.0.20.0110.0356.29
5.0.10.0100.0396.27
5.0.00.0100.0606.25
4.4.90.0060.0224.78
4.4.80.0060.0224.75
4.4.70.0050.0234.75
4.4.60.0060.0244.75
4.4.50.0120.0434.77
4.4.40.0060.0614.71
4.4.30.0120.0504.76
4.4.20.0150.0394.84
4.4.10.0150.0504.84
4.4.00.0190.0954.76
4.3.110.0000.0284.67
4.3.100.0070.0234.67
4.3.90.0060.0234.63
4.3.80.0060.0324.58
4.3.70.0050.0234.63
4.3.60.0090.0454.63
4.3.50.0060.0454.63
4.3.40.0140.0624.54
4.3.30.0090.0343.32
4.3.20.0040.0423.30
4.3.10.0160.0263.26
4.3.00.0030.02013.64

preferences:
43.27 ms | 401 KiB | 5 Q