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","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)
8.3.40.0140.00718.78
8.3.30.0110.00319.09
8.3.20.0000.00920.16
8.3.10.0070.00023.48
8.3.00.0000.00822.40
8.2.170.0100.00722.96
8.2.160.0090.01222.08
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00722.00
8.2.110.0000.00921.84
8.2.100.0120.00018.03
8.2.90.0000.00819.34
8.2.80.0050.00317.97
8.2.70.0030.00517.75
8.2.60.0050.00518.05
8.2.50.0000.00818.07
8.2.40.0050.00318.16
8.2.30.0040.00418.13
8.2.20.0000.00717.89
8.2.10.0080.00019.50
8.2.00.0080.00017.77
8.1.270.0080.00023.92
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0060.00323.84
8.1.230.0110.00019.03
8.1.220.0000.00817.79
8.1.210.0000.00918.77
8.1.200.0060.00617.48
8.1.190.0000.00817.52
8.1.180.0090.00018.10
8.1.170.0040.00418.47
8.1.160.0020.00521.86
8.1.150.0000.00718.47
8.1.140.0040.00417.43
8.1.130.0040.00417.84
8.1.120.0000.00717.41
8.1.110.0050.00517.38
8.1.100.0020.00517.31
8.1.90.0080.00317.31
8.1.80.0030.00317.40
8.1.70.0030.00317.25
8.1.60.0050.00517.67
8.1.50.0040.00417.59
8.1.40.0030.00617.59
8.1.30.0060.00317.64
8.1.20.0040.00417.63
8.1.10.0040.00417.64
8.1.00.0040.00417.54
8.0.300.0020.00518.77
8.0.290.0040.00417.18
8.0.280.0070.00018.55
8.0.270.0000.00717.25
8.0.260.0000.00716.91
8.0.250.0070.00016.98
8.0.240.0040.00417.07
8.0.230.0000.00717.09
8.0.220.0030.00316.98
8.0.210.0030.00617.01
8.0.200.0000.00617.11
8.0.190.0070.00017.00
8.0.180.0000.00816.98
8.0.170.0000.00817.09
8.0.160.0000.00717.01
8.0.150.0070.00017.02
8.0.140.0030.00416.88
8.0.130.0000.00513.46
8.0.120.0070.00016.88
8.0.110.0040.00416.97
8.0.100.0040.00416.91
8.0.90.0000.00717.06
8.0.80.0080.00817.02
8.0.70.0040.00416.89
8.0.60.0020.00516.94
8.0.50.0040.00416.85
8.0.30.0100.00817.15
8.0.20.0200.00917.40
8.0.10.0040.00417.03
8.0.00.0130.00316.92
7.4.330.0000.00515.04
7.4.320.0000.00616.43
7.4.300.0030.00316.61
7.4.290.0030.00316.50
7.4.280.0000.00616.50
7.4.270.0050.00516.54
7.4.260.0050.00516.62
7.4.250.0070.00016.57
7.4.240.0020.00516.53
7.4.230.0000.00716.59
7.4.220.0070.01016.57
7.4.210.0050.01116.61
7.4.200.0000.00716.59
7.4.190.0000.00716.65
7.4.160.0060.00916.60
7.4.150.0170.00017.40
7.4.140.0100.01217.86
7.4.130.0110.00816.62
7.4.120.0080.00916.49
7.4.110.0040.01316.54
7.4.100.0120.00916.48
7.4.90.0030.01716.44
7.4.80.0150.00916.57
7.4.70.0160.00016.51
7.4.60.0040.01216.57
7.4.50.0040.00416.24
7.4.40.0040.01122.77
7.4.30.0040.01816.44
7.4.00.0120.00314.89
7.3.330.0050.00013.30
7.3.320.0000.00513.50
7.3.310.0030.00316.49
7.3.300.0070.00016.48
7.3.290.0060.00916.55
7.3.280.0090.00816.42
7.3.270.0110.00817.40
7.3.260.0100.01016.54
7.3.250.0060.01116.65
7.3.240.0030.01416.40
7.3.230.0030.01316.39
7.3.210.0100.00616.50
7.3.200.0130.00819.39
7.3.190.0050.01416.61
7.3.180.0030.01216.38
7.3.170.0100.00616.45
7.3.160.0120.00316.56
7.3.120.0070.01014.73
7.3.10.0050.00816.75
7.3.00.0020.00916.71
7.2.330.0100.00716.54
7.2.320.0030.01916.57
7.2.310.0030.01316.78
7.2.300.0130.00316.42
7.2.290.0070.01016.63
7.2.130.0080.00816.94
7.2.120.0050.00716.81
7.2.110.0140.00816.71
7.2.100.0060.01116.53
7.2.90.0090.00816.67
7.2.80.0090.00916.75
7.2.70.0130.00916.82
7.2.60.0110.00816.83
7.2.50.0140.00616.75
7.2.40.0100.01016.74
7.2.30.0140.00616.68
7.2.20.0120.00516.69
7.2.10.0160.00616.77
7.2.00.0100.00716.92
7.1.250.0060.00815.60
7.1.230.0290.00315.68
7.1.220.0130.00615.49
7.1.210.0210.00615.44
7.1.200.0220.00815.67
7.1.190.0250.00415.78
7.1.180.0270.00315.60
7.1.170.0220.00415.53
7.1.160.0200.00715.80
7.1.150.0160.00815.89
7.1.140.0160.01215.66
7.1.130.0170.01315.75
7.1.120.0260.00415.50
7.1.110.0190.01315.48
7.1.100.0240.01015.44
7.1.90.0110.00715.80
7.1.80.0130.01315.87
7.1.70.0120.00616.48
7.1.60.0160.01217.54
7.1.50.0160.01216.37
7.1.40.0220.00615.97
7.1.30.0290.00616.05
7.1.20.0230.01016.04
7.1.10.0180.00915.29
7.1.00.0110.04719.16
7.0.310.0170.01315.09
7.0.300.0200.00315.23
7.0.290.0200.00615.59
7.0.280.0240.00315.36
7.0.270.0120.00415.39
7.0.260.0160.01215.22
7.0.250.0190.00615.32
7.0.240.0210.00915.06
7.0.230.0130.01215.42
7.0.220.0170.00615.33
7.0.210.0160.00615.17
7.0.200.0140.00616.17
7.0.190.0210.00515.57
7.0.180.0130.01315.51
7.0.170.0210.00815.57
7.0.160.0250.00815.58
7.0.150.0230.00315.16
7.0.140.0170.03918.81
7.0.130.0210.01215.60
7.0.120.0240.00615.54
7.0.110.0130.01615.32
7.0.100.0270.00715.56
7.0.90.0240.01015.55
7.0.80.0170.01015.25
7.0.70.0100.01415.01
7.0.60.0150.04217.49
7.0.50.0120.02416.62
7.0.40.0050.03716.52
7.0.30.0130.02816.69
7.0.20.0110.03116.90
7.0.10.0130.03016.71
7.0.00.0050.05216.54
5.6.380.0130.00814.17
5.6.370.0100.01314.39
5.6.360.0070.01414.27
5.6.350.0130.00614.69
5.6.340.0080.01014.19
5.6.330.0150.00614.57
5.6.320.0180.00614.21
5.6.310.0100.01014.33
5.6.300.0100.01014.42
5.6.290.0160.01114.40
5.6.280.0100.04017.55
5.6.270.0050.02114.60
5.6.260.0160.00814.37
5.6.250.0130.01314.40
5.6.240.0080.01914.34
5.6.230.0140.00714.41
5.6.220.0120.00814.20
5.6.210.0110.02117.36
5.6.200.0050.05116.15
5.6.190.0160.04317.40
5.6.180.0300.03617.26
5.6.170.0190.04217.31
5.6.160.0070.05117.44
5.6.150.0070.02316.20
5.6.140.0070.03516.18
5.6.130.0060.04916.26
5.6.120.0130.04017.54
5.6.110.0150.03917.70
5.6.100.0090.02417.64
5.6.90.0050.04817.78
5.6.80.0070.04417.28
5.6.70.0210.03017.32
5.6.60.0090.00914.07
5.6.50.0050.01414.17
5.6.40.0050.01313.86
5.6.30.0160.00514.21
5.6.20.0100.01113.95
5.6.10.0170.00014.12
5.6.00.0160.00513.89
5.5.380.0100.00611.03
5.5.370.0040.01211.23
5.5.360.0000.01110.93
5.5.350.0040.02615.73
5.5.340.0060.02414.39
5.5.330.0060.02315.63
5.5.320.0070.03615.88
5.5.310.0170.04315.67
5.5.300.0040.03214.48
5.5.290.0060.03514.45
5.5.280.0040.03415.80
5.5.270.0060.02115.90
5.5.260.0110.02016.00
5.5.250.0060.02216.01
5.5.240.0030.04515.63
5.5.230.0040.00711.36
5.5.220.0040.00811.14
5.5.210.0090.00411.13
5.5.200.0020.00811.14
5.5.190.0060.00610.79
5.5.180.0060.00611.05
5.5.170.0140.00714.22
5.5.160.0000.01711.08
5.5.150.0070.00711.23
5.5.140.0080.00510.84
5.5.130.0120.00311.19
5.5.120.0090.00611.04
5.5.110.0120.00210.84
5.5.100.0000.01510.97
5.5.90.0100.00710.97
5.5.80.0100.00311.27
5.5.70.0100.00610.96
5.5.60.0040.01111.13
5.5.50.0000.01210.90
5.5.40.0070.00711.26
5.5.30.0040.00811.14
5.5.20.0140.00010.70
5.5.10.0080.00810.62
5.5.00.0080.00810.83
5.4.450.0430.02015.40
5.4.440.0460.03015.33
5.4.430.0440.02215.17
5.4.420.0420.03015.05
5.4.410.0100.02614.85
5.4.400.0070.03215.01
5.4.390.0150.02514.79
5.4.380.0070.03114.94
5.4.370.0140.02914.91
5.4.360.0080.03014.73
5.4.350.0150.03014.73
5.4.340.0140.03514.66
5.4.330.0040.00810.91
5.4.320.0070.02311.68
5.4.310.0080.02211.73
5.4.300.0110.02411.87
5.4.290.0070.02411.92
5.4.280.0100.02111.71
5.4.270.0070.02311.74
5.4.260.0110.02711.71
5.4.250.0070.02711.63
5.4.240.0060.02811.63
5.4.230.0060.02511.51
5.4.220.0070.02411.72
5.4.210.0090.02211.60
5.4.200.0110.02211.64
5.4.190.0100.03411.67
5.4.180.0110.02711.61
5.4.170.0070.03711.76
5.4.160.0070.03011.71
5.4.150.0120.03211.71
5.4.140.0120.02911.37
5.4.130.0100.02011.53
5.4.120.0140.01911.48
5.4.110.0120.02111.67
5.4.100.0110.02111.70
5.4.90.0110.02411.35
5.4.80.0080.02811.44
5.4.70.0130.04711.63
5.4.60.0110.02711.48
5.4.50.0090.02711.50
5.4.40.0100.02811.43
5.4.30.0140.03711.33
5.4.20.0180.03111.53
5.4.10.0100.03411.59
5.4.00.0100.04311.20
5.3.290.0090.02311.69
5.3.280.0060.03311.64
5.3.270.0120.03311.57
5.3.260.0040.03211.70
5.3.250.0090.04111.68
5.3.240.0100.03911.65
5.3.230.0110.04111.67
5.3.220.0100.03111.61
5.3.210.0110.05311.57
5.3.200.0110.05611.59
5.3.190.0090.03011.45
5.3.180.0090.02911.54
5.3.170.0140.05411.69
5.3.160.0120.04211.72
5.3.150.0080.03011.67
5.3.140.0050.02911.62
5.3.130.0080.03311.71
5.3.120.0110.02211.69
5.3.110.0090.02611.66
5.3.100.0070.03011.44
5.3.90.0120.03111.42
5.3.80.0060.02511.31
5.3.70.0060.02511.33
5.3.60.0100.02111.33
5.3.50.0100.02711.32
5.3.40.0040.02611.25
5.3.30.0050.03211.23
5.3.20.0100.03911.13
5.3.10.0080.03711.10
5.3.00.0050.04410.91
5.2.170.0080.0319.38
5.2.160.0090.0269.45
5.2.150.0100.0269.40
5.2.140.0110.0279.33
5.2.130.0090.0369.35
5.2.120.0120.0329.36
5.2.110.0110.0239.34
5.2.100.0090.0249.38
5.2.90.0110.0299.36
5.2.80.0160.0309.35
5.2.70.0100.0349.36
5.2.60.0150.0539.30
5.2.50.0080.0189.24
5.2.40.0090.0169.22
5.2.30.0070.0239.08
5.2.20.0070.0349.22
5.2.10.0070.0269.08
5.2.00.0040.0239.02
5.1.60.0020.0168.40
5.1.50.0090.0148.40
5.1.40.0110.0368.39
5.1.30.0070.0308.56
5.1.20.0080.0188.57
5.1.10.0040.0178.44
5.1.00.0090.0148.44
5.0.50.0070.0107.68
5.0.40.0060.0107.62
5.0.30.0050.0167.52
5.0.20.0050.0127.50
5.0.10.0040.0127.49
5.0.00.0050.0217.49
4.4.90.0060.0156.76
4.4.80.0050.0146.74
4.4.70.0050.0266.74
4.4.60.0060.0196.74
4.4.50.0040.0156.75
4.4.40.0040.0226.72
4.4.30.0050.0146.74
4.4.20.0070.0246.79
4.4.10.0080.0136.79
4.4.00.0050.0256.74
4.3.110.0060.0216.70
4.3.100.0020.0176.70
4.3.90.0020.0146.68
4.3.80.0050.0256.66
4.3.70.0060.0196.68
4.3.60.0080.0246.68
4.3.50.0110.0176.68
4.3.40.0070.0226.63
4.3.30.0040.0106.02
4.3.20.0050.0236.01
4.3.10.0030.0125.99
4.3.00.0210.00511.18

preferences:
45.14 ms | 400 KiB | 5 Q