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","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)
8.3.60.0150.00618.33
8.3.50.0130.00621.96
8.3.40.0150.00018.93
8.3.30.0100.00319.04
8.3.20.0070.00020.38
8.3.10.0000.00823.66
8.3.00.0050.00322.44
8.2.180.0090.00616.75
8.2.170.0000.01422.96
8.2.160.0100.00322.13
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.09
8.2.110.0060.00322.27
8.2.100.0070.00417.84
8.2.90.0000.00817.75
8.2.80.0060.00318.92
8.2.70.0030.00718.05
8.2.60.0060.00318.11
8.2.50.0060.00318.10
8.2.40.0040.00419.52
8.2.30.0030.00522.09
8.2.20.0050.00217.70
8.2.10.0000.00717.77
8.2.00.0000.00817.67
8.1.280.0070.01425.92
8.1.270.0060.00323.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.13
8.1.230.0060.00617.83
8.1.220.0000.00817.79
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0040.00418.85
8.1.150.0050.00220.08
8.1.140.0000.00717.33
8.1.130.0000.00717.70
8.1.120.0000.00717.31
8.1.110.0030.00517.37
8.1.100.0040.00417.46
8.1.90.0070.00017.48
8.1.80.0030.00317.41
8.1.70.0030.00317.34
8.1.60.0030.00517.59
8.1.50.0000.00917.57
8.1.40.0080.00017.61
8.1.30.0000.00817.73
8.1.20.0060.00317.80
8.1.10.0030.00517.66
8.1.00.0000.01117.50
8.0.300.0080.00318.77
8.0.290.0090.00016.75
8.0.280.0000.00718.53
8.0.270.0030.00317.25
8.0.260.0030.00316.84
8.0.250.0030.00317.05
8.0.240.0040.00417.05
8.0.230.0040.00417.07
8.0.220.0030.00316.95
8.0.210.0040.00316.95
8.0.200.0080.00016.90
8.0.190.0060.00317.02
8.0.180.0040.00417.02
8.0.170.0080.00016.96
8.0.160.0070.00016.93
8.0.150.0030.00316.83
8.0.140.0040.00416.86
8.0.130.0030.00313.36
8.0.120.0000.00816.94
8.0.110.0040.00416.98
8.0.100.0000.00816.89
8.0.90.0000.00716.75
8.0.80.0090.00616.96
8.0.70.0040.00416.89
8.0.60.0000.00717.04
8.0.50.0000.00917.06
8.0.30.0110.00817.28
8.0.20.0020.01617.40
8.0.10.0040.00417.00
8.0.00.0120.00616.80
7.4.330.0000.00515.04
7.4.320.0060.00016.53
7.4.300.0000.00616.57
7.4.290.0020.00516.43
7.4.280.0000.00716.55
7.4.270.0040.00416.61
7.4.260.0040.00416.53
7.4.250.0070.00016.39
7.4.240.0020.00516.50
7.4.230.0040.00416.50
7.4.220.0130.00316.49
7.4.210.0090.00716.68
7.4.200.0020.00516.52
7.4.190.0000.00716.61
7.4.160.0100.01016.55
7.4.150.0120.00617.40
7.4.140.0110.00517.86
7.4.130.0070.01016.60
7.4.120.0120.00516.47
7.4.110.0110.00616.50
7.4.100.0100.00716.55
7.4.90.0120.00416.50
7.4.80.0070.01116.52
7.4.70.0000.01616.55
7.4.60.0060.01016.62
7.4.50.0000.00916.35
7.4.40.0120.00322.77
7.4.30.0070.01116.64
7.4.00.0080.00815.04
7.3.330.0050.00013.30
7.3.320.0000.00513.36
7.3.310.0040.00416.42
7.3.300.0070.00016.43
7.3.290.0060.00916.34
7.3.280.0120.00616.36
7.3.270.0130.00717.40
7.3.260.0130.00616.59
7.3.250.0120.00516.60
7.3.240.0120.00916.59
7.3.230.0160.00616.48
7.3.210.0100.00716.44
7.3.200.0060.01319.39
7.3.190.0120.00616.52
7.3.180.0120.00316.34
7.3.170.0100.01016.30
7.3.160.0080.00816.35
7.3.120.0060.00915.20
7.3.10.0040.01216.39
7.3.00.0040.01516.72
7.2.330.0090.00916.84
7.2.320.0130.00916.71
7.2.310.0100.00616.93
7.2.300.0110.00516.63
7.2.290.0120.00316.60
7.2.130.0100.00716.95
7.2.120.0060.00917.06
7.2.110.0030.01017.02
7.2.100.0100.00716.67
7.2.90.0060.01117.00
7.2.80.0070.01116.52
7.2.70.0070.01116.80
7.2.60.0060.00916.85
7.2.50.0030.01016.89
7.2.40.0030.00917.09
7.2.30.0000.01016.76
7.2.20.0060.00917.03
7.2.10.0100.00316.96
7.2.00.0070.00518.30
7.1.250.0090.00615.79
7.1.200.0000.01615.61
7.1.100.0070.00418.21
7.1.70.0090.00917.07
7.1.60.0040.02219.29
7.1.50.0040.01517.09
7.1.00.0070.07322.42
7.0.200.0060.00616.75
7.0.140.0070.07022.18
7.0.60.0000.07720.05
7.0.50.0100.07717.90
7.0.40.0030.04319.96
7.0.30.0300.06320.12
7.0.20.0170.04720.06
7.0.10.0130.07720.25
7.0.00.0070.08020.11
5.6.280.0070.07021.00
5.6.210.0070.07020.69
5.6.200.0070.08318.29
5.6.190.0170.07320.48
5.6.180.0000.08020.48
5.6.170.0200.05320.48
5.6.160.0070.08020.39
5.6.150.0030.06018.12
5.6.140.0100.07718.14
5.6.130.0030.04318.14
5.6.120.0000.08021.03
5.6.110.0030.08721.02
5.6.100.0070.07720.99
5.6.90.0070.08321.03
5.6.80.0230.07020.45
5.5.350.0030.08020.44
5.5.340.0070.04717.97
5.5.330.0070.08320.19
5.5.320.0230.03720.42
5.5.310.0200.08020.29
5.5.300.0100.07318.08
5.5.290.0100.06718.07
5.5.280.0100.08020.77
5.5.270.0130.08020.97
5.5.260.0070.08320.74
5.5.250.0170.07020.57
5.5.240.0070.07020.27
5.4.450.0600.03319.48
5.4.440.0170.07019.45
5.4.430.0270.05019.35
5.4.420.0200.06319.46
5.4.410.0070.06018.74
5.4.400.0030.07318.79
5.4.390.0070.06018.84
5.4.380.0230.04718.73
5.4.370.0230.04318.57
5.4.360.0270.04718.54
5.4.350.0230.04718.51
5.4.340.0230.06318.63
5.4.320.0080.03412.51
5.4.310.0060.04312.51
5.4.300.0040.04712.51
5.4.290.0130.03912.50
5.4.280.0110.03812.38
5.4.270.0080.04412.38
5.4.260.0130.03612.38
5.4.250.0090.04812.38
5.4.240.0110.04312.38
5.4.230.0130.03612.37
5.4.220.0070.04712.37
5.4.210.0100.04512.37
5.4.200.0150.10512.37
5.4.190.0180.07512.37
5.4.180.0310.10112.36
5.4.170.0210.07512.38
5.4.160.0120.05512.37
5.4.150.0140.07412.36
5.4.140.0170.07212.05
5.4.130.0160.07512.04
5.4.120.0330.08012.00
5.4.110.0220.09711.99
5.4.100.0110.07111.99
5.4.90.0110.09411.99
5.4.80.0090.05611.99
5.4.70.0220.07011.99
5.4.60.0140.06211.99
5.4.50.0160.10411.98
5.4.40.0220.10011.98
5.4.30.0130.06611.98
5.4.20.0180.08911.97
5.4.10.0170.08711.98
5.4.00.0120.07811.46
5.3.290.0050.04912.80
5.3.280.0260.10212.71
5.3.270.0130.07312.72
5.3.260.0220.08812.71
5.3.250.0180.09812.72
5.3.240.0190.06712.72
5.3.230.0140.06312.71
5.3.220.0040.04312.68
5.3.210.0150.07212.68
5.3.200.0250.09412.68
5.3.190.0260.07812.68
5.3.180.0150.07412.67
5.3.170.0150.06812.67
5.3.160.0210.07312.67
5.3.150.0220.08212.67
5.3.140.0130.06212.66
5.3.130.0160.07112.66
5.3.120.0060.05512.66
5.3.110.0150.10512.66
5.3.100.0100.06812.12
5.3.90.0080.05612.09
5.3.80.0240.07812.07
5.3.70.0090.06712.07
5.3.60.0190.07012.07
5.3.50.0170.08112.01
5.3.40.0110.07712.01
5.3.30.0090.05411.97
5.3.20.0120.05611.76
5.3.10.0120.06611.71
5.3.00.0280.10111.71
5.2.170.0110.0619.20
5.2.160.0150.0729.20
5.2.150.0190.0579.20
5.2.140.0140.0709.20
5.2.130.0130.0789.16
5.2.120.0070.0539.16
5.2.110.0300.0359.16
5.2.100.0070.0309.16
5.2.90.0100.0399.16
5.2.80.0220.0529.16
5.2.70.0150.0749.16
5.2.60.0110.0799.11
5.2.50.0150.0529.08
5.2.40.0300.0979.05
5.2.30.0090.0479.04
5.2.20.0080.0659.02
5.2.10.0060.0508.94
5.2.00.0110.0468.80
5.1.60.0090.0598.08
5.1.50.0090.0348.08
5.1.40.0110.0488.06
5.1.30.0110.0398.41
5.1.20.0110.0558.44
5.1.10.0090.0628.16
5.1.00.0120.0468.16
5.0.50.0070.0316.64
5.0.40.0020.0226.51
5.0.30.0050.0316.31
5.0.20.0050.0296.28
5.0.10.0050.0216.26
5.0.00.0030.0356.26
4.4.90.0040.0164.78
4.4.80.0030.0174.76
4.4.70.0040.0224.76
4.4.60.0030.0224.76
4.4.50.0030.0174.77
4.4.40.0060.0304.71
4.4.30.0060.0154.76
4.4.20.0030.0224.84
4.4.10.0040.0194.85
4.4.00.0050.0284.76
4.3.110.0040.0304.67
4.3.100.0050.0194.66
4.3.90.0060.0154.63
4.3.80.0060.0224.58
4.3.70.0060.0224.63
4.3.60.0030.0154.63
4.3.50.0040.0194.63
4.3.40.0040.0274.54
4.3.30.0060.0313.32
4.3.20.0090.0343.30
4.3.10.0110.0443.26
4.3.00.0170.01313.64

preferences:
52.32 ms | 401 KiB | 5 Q