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("aa","cft");

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)
8.3.60.0150.00618.18
8.3.50.0070.01018.20
8.3.40.0070.00718.56
8.3.30.0070.00718.96
8.3.20.0040.00420.00
8.3.10.0050.00323.70
8.3.00.0080.00022.52
8.2.180.0130.01016.38
8.2.170.0070.00722.96
8.2.160.0140.00320.31
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00722.13
8.2.110.0060.00321.04
8.2.100.0070.00417.78
8.2.90.0050.00317.62
8.2.80.0040.00418.77
8.2.70.0030.00717.92
8.2.60.0050.00317.93
8.2.50.0030.00518.10
8.2.40.0070.00020.59
8.2.30.0050.00217.83
8.2.20.0040.00417.54
8.2.10.0050.00317.63
8.2.00.0030.00717.57
8.1.270.0060.00923.92
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0000.00822.19
8.1.230.0080.00320.87
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0000.00722.07
8.1.150.0000.00818.48
8.1.140.0040.00417.26
8.1.130.0030.00317.76
8.1.120.0000.00717.34
8.1.110.0000.00817.26
8.1.100.0050.00217.32
8.1.90.0050.00317.34
8.1.80.0000.00717.41
8.1.70.0040.00417.30
8.1.60.0000.00817.48
8.1.50.0040.00417.38
8.1.40.0040.00417.39
8.1.30.0040.00417.53
8.1.20.0080.00017.45
8.1.10.0050.00317.35
8.1.00.0000.00717.41
8.0.300.0000.00720.00
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0000.00717.25
8.0.260.0000.00616.70
8.0.250.0000.00716.82
8.0.240.0030.00516.86
8.0.230.0030.00316.73
8.0.220.0000.00716.75
8.0.210.0060.00316.84
8.0.200.0060.00016.86
8.0.190.0040.00416.90
8.0.180.0000.00816.76
8.0.170.0040.00416.84
8.0.160.0030.00416.85
8.0.150.0000.00716.62
8.0.140.0040.00416.57
8.0.130.0040.00413.21
8.0.120.0040.00416.72
8.0.110.0080.00016.66
8.0.100.0040.00416.64
8.0.90.0040.00416.82
8.0.80.0130.01016.73
8.0.70.0040.00416.61
8.0.60.0030.00516.69
8.0.50.0000.00716.84
8.0.30.0090.01016.93
8.0.20.0090.01117.40
8.0.10.0000.00716.79
8.0.00.0100.01216.71
7.4.330.0030.00315.00
7.4.320.0030.00316.40
7.4.300.0060.00016.38
7.4.290.0000.00716.41
7.4.280.0030.00316.39
7.4.270.0070.00316.51
7.4.260.0070.00016.41
7.4.250.0000.00716.35
7.4.240.0030.00416.47
7.4.230.0030.00316.15
7.4.220.0100.00716.58
7.4.210.0080.00916.46
7.4.200.0000.00716.53
7.4.190.0070.00016.54
7.4.160.0040.01716.39
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0070.00916.36
7.4.120.0080.00816.36
7.4.110.0060.01216.33
7.4.100.0100.01016.54
7.4.90.0140.00416.20
7.4.80.0090.00819.39
7.4.70.0070.01316.42
7.4.60.0030.01516.50
7.4.50.0040.00416.18
7.4.40.0060.00622.77
7.4.30.0000.01516.36
7.4.10.0110.00714.79
7.4.00.0070.01215.01
7.3.330.0080.00013.17
7.3.320.0000.00613.17
7.3.310.0070.00016.17
7.3.300.0060.00016.07
7.3.290.0130.00316.18
7.3.280.0070.01216.15
7.3.270.0090.00917.40
7.3.260.0080.00816.19
7.3.250.0060.01416.35
7.3.240.0050.01416.33
7.3.230.0070.01116.42
7.3.210.0110.00716.27
7.3.200.0110.00719.39
7.3.190.0130.00316.62
7.3.180.0060.01016.32
7.3.170.0130.00316.32
7.3.160.0110.00716.21
7.3.130.0040.01014.54
7.3.120.0080.00914.69
7.3.110.0100.00714.61
7.3.100.0080.00814.63
7.3.90.0060.00614.61
7.3.80.0070.00414.88
7.3.70.0040.01014.71
7.3.60.0080.00714.71
7.3.50.0070.00514.47
7.3.40.0050.00614.58
7.3.30.0060.00614.77
7.3.20.0100.00516.51
7.3.10.0060.00816.58
7.3.00.0070.00616.42
7.2.330.0110.00616.28
7.2.320.0140.00316.58
7.2.310.0030.01316.24
7.2.300.0100.01016.52
7.2.290.0030.01316.66
7.2.260.0060.01214.68
7.2.250.0030.01014.62
7.2.240.0040.01114.96
7.2.230.0030.01014.79
7.2.220.0070.00514.88
7.2.210.0020.01314.80
7.2.200.0060.00614.82
7.2.190.0090.00714.93
7.2.180.0090.00414.79
7.2.170.0060.00714.80
7.2.160.0050.00714.98
7.2.150.0070.00716.59
7.2.140.0060.00716.74
7.2.130.0050.00716.68
7.2.120.0080.00816.66
7.2.110.0070.01016.66
7.2.100.0060.00816.62
7.2.90.0050.00916.71
7.2.80.0070.00716.76
7.2.70.0070.00516.88
7.2.60.0040.01116.64
7.2.50.0060.00816.89
7.2.40.0070.01016.66
7.2.30.0000.01416.70
7.2.20.0100.00716.61
7.2.10.0030.01116.61
7.2.00.0020.01117.60
7.1.330.0030.01315.63
7.1.320.0060.00815.59
7.1.310.0050.00815.40
7.1.300.0090.00415.75
7.1.290.0080.00715.56
7.1.280.0070.00915.57
7.1.270.0060.00615.55
7.1.260.0030.01015.56
7.1.250.0080.00315.63
7.1.240.0030.00615.79
7.1.230.0030.00915.45
7.1.220.0030.01015.77
7.1.210.0030.01415.43
7.1.200.0080.00515.65
7.1.190.0080.00815.64
7.1.180.0000.01315.35
7.1.170.0070.00315.41
7.1.160.0130.00315.44
7.1.150.0000.01315.60
7.1.140.0030.01015.78
7.1.130.0110.00415.66
7.1.120.0100.00315.76
7.1.110.0040.01115.47
7.1.100.0040.00916.66
7.1.90.0070.00315.23
7.1.80.0030.01315.82
7.1.70.0070.00516.29
7.1.60.0070.00917.38
7.1.50.0060.01116.20
7.1.40.0060.00915.44
7.1.30.0000.01615.70
7.1.20.0040.00815.55
7.1.10.0070.01015.56
7.1.00.0020.04018.93
7.0.330.0030.00915.05
7.0.320.0060.00615.19
7.0.310.0090.00615.17
7.0.300.0050.00515.17
7.0.290.0080.00815.14
7.0.280.0030.01015.47
7.0.270.0080.00415.05
7.0.260.0090.00615.16
7.0.250.0070.01015.44
7.0.240.0000.01415.45
7.0.230.0030.01015.20
7.0.220.0030.01015.21
7.0.210.0070.00715.36
7.0.200.0060.00615.88
7.0.190.0000.00815.39
7.0.180.0040.00715.00
7.0.170.0000.00815.08
7.0.160.0080.00315.10
7.0.150.0030.00615.25
7.0.140.0070.03718.47
7.0.130.0030.00715.44
7.0.120.0000.01215.16
7.0.110.0050.02417.49
7.0.100.0070.03717.51
7.0.90.0090.02317.63
7.0.80.0030.03317.49
7.0.70.0040.02617.56
7.0.60.0030.02317.52
7.0.50.0020.02517.73
7.0.40.0040.02416.57
7.0.30.0050.03016.51
7.0.20.0040.02616.53
7.0.10.0130.01516.37
7.0.00.0040.02616.48
5.6.400.0070.01014.18
5.6.390.0070.00314.23
5.6.380.0000.01214.50
5.6.370.0060.00614.13
5.6.360.0040.00414.23
5.6.350.0070.01114.41
5.6.340.0030.00914.36
5.6.330.0030.01014.19
5.6.320.0070.01114.12
5.6.310.0060.00914.50
5.6.300.0060.00614.03
5.6.290.0030.01014.34
5.6.280.0070.03817.44
5.6.270.0060.00313.91
5.6.260.0120.02717.53
5.6.250.0080.02317.32
5.6.240.0060.03117.49
5.6.230.0080.04217.43
5.6.220.0070.03517.44
5.6.210.0060.02617.47
5.6.200.0030.02717.39
5.6.190.0060.02217.44
5.6.180.0040.02117.42
5.6.170.0020.02417.47
5.6.160.0070.02717.27
5.6.150.0080.03517.34
5.6.140.0100.01817.52
5.6.130.0050.02217.48
5.6.120.0030.02817.28
5.6.110.0030.02417.38
5.6.100.0050.02717.32
5.6.90.0080.02317.38
5.6.80.0070.03216.93
5.6.70.0060.02617.12
5.6.60.0040.02417.03
5.6.50.0110.01917.18
5.6.40.0030.02517.08
5.6.30.0050.01917.13
5.6.20.0060.02317.10
5.6.10.0070.02217.10
5.6.00.0060.02017.05
5.5.380.0050.04015.87
5.5.370.0100.03515.79
5.5.360.0060.02115.79
5.5.350.0050.02215.86
5.5.340.0070.02315.98
5.5.330.0040.02415.93
5.5.320.0020.02516.20
5.5.310.0020.02815.83
5.5.300.0040.03016.12
5.5.290.0080.04116.05
5.5.280.0050.04116.18
5.5.270.0060.03316.20
5.5.260.0060.02816.18
5.5.250.0050.02715.80
5.5.240.0060.02315.79
5.5.230.0090.02115.50
5.5.220.0100.02015.79
5.5.210.0070.02315.88
5.5.200.0050.02415.51
5.5.190.0080.01815.77
5.5.180.0040.02915.65
5.5.170.0030.01313.95
5.5.160.0020.02015.71
5.5.150.0040.02215.74
5.5.140.0070.02315.68
5.5.130.0030.01815.64
5.5.120.0100.02015.54
5.5.110.0040.02115.81
5.5.100.0030.01815.49
5.5.90.0030.02815.57
5.5.80.0010.02515.74
5.5.70.0030.03615.76
5.5.60.0080.02815.45
5.5.50.0070.03515.74
5.5.40.0070.04615.59
5.5.30.0070.04315.64
5.5.20.0080.03515.59
5.5.10.0090.03515.74
5.5.00.0100.03715.61
5.4.450.0040.02315.00
5.4.440.0110.03814.96
5.4.430.0060.02315.02
5.4.420.0000.02815.15
5.4.410.0050.02315.02
5.4.400.0030.02315.02
5.4.390.0070.02014.99
5.4.380.0040.02214.95
5.4.370.0070.02214.93
5.4.360.0080.01814.89
5.4.350.0030.02314.82
5.4.340.0030.01914.89
5.4.330.0000.01310.60
5.4.320.0050.02014.82
5.4.310.0040.01814.94
5.4.300.0080.01614.81
5.4.290.0030.01915.02
5.4.280.0040.02014.84
5.4.270.0020.02614.85
5.4.260.0020.02714.86
5.4.250.0100.03214.96
5.4.240.0030.02214.88
5.4.230.0060.01714.88
5.4.220.0030.03314.78
5.4.210.0050.02514.96
5.4.200.0050.03314.70
5.4.190.0050.04314.80
5.4.180.0050.04214.99
5.4.170.0110.03614.99
5.4.160.0100.03514.83
5.4.150.0070.03014.79
5.4.140.0090.03513.69
5.4.130.0070.02213.47
5.4.120.0050.01713.50
5.4.110.0050.02013.49
5.4.100.0030.02213.48
5.4.90.0030.03213.58
5.4.80.0030.02413.47
5.4.70.0050.03513.51
5.4.60.0080.01513.54
5.4.50.0050.03213.32
5.4.40.0020.02613.68
5.4.30.0020.02113.71
5.4.20.0090.03513.64
5.4.10.0020.02013.77
5.4.00.0030.02313.25
5.3.290.0030.02112.55
5.3.280.0030.04312.53
5.3.270.0050.02012.55
5.3.260.0020.04512.45
5.3.250.0020.02912.59
5.3.240.0030.02612.34
5.3.230.0060.03112.43
5.3.220.0070.01812.36
5.3.210.0030.03512.37
5.3.200.0030.04312.41
5.3.190.0070.02112.39
5.3.180.0050.03812.44
5.3.170.0030.03812.54
5.3.160.0130.01312.42
5.3.150.0040.02112.39
5.3.140.0050.02312.54
5.3.130.0090.02712.40
5.3.120.0040.04412.51
5.3.110.0040.01912.52
5.3.100.0040.03112.16
5.3.90.0040.03012.06
5.3.80.0050.01812.13
5.3.70.0040.02112.02
5.3.60.0050.03612.17
5.3.50.0020.02311.97
5.3.40.0070.04011.93
5.3.30.0030.02812.10
5.3.20.0080.02011.91
5.3.10.0070.02711.76
5.3.00.0030.01811.96
5.2.170.0030.03012.30
5.2.160.0100.02712.30
5.2.150.0070.02712.30
5.2.140.0030.06312.30
5.2.130.0030.04312.30
5.2.120.0000.03712.30
5.2.110.0000.05712.30
5.2.100.0030.05712.30
5.2.90.0070.05712.30
5.2.80.0030.06012.30
5.2.70.0070.05712.30
5.2.60.0100.06012.30
5.2.50.0030.06312.30
5.2.40.0000.04012.30
5.2.30.0000.05312.30
5.2.20.0000.03712.30
5.2.10.0070.05712.30
5.2.00.0100.05012.30
5.1.60.0030.02012.30
5.1.50.0070.02012.30
5.1.40.0030.05012.30
5.1.30.0030.05712.30
5.1.20.0030.05012.30
5.1.10.0000.04012.30
5.1.00.0000.03012.30
5.0.50.0000.02012.30
5.0.40.0000.02312.30
5.0.30.0100.02712.30
5.0.20.0000.02712.30
5.0.10.0070.03312.30
5.0.00.0000.03712.30
4.4.90.0000.04012.30
4.4.80.0070.02712.30
4.4.70.0030.03712.30
4.4.60.0000.03312.30
4.4.50.0030.02312.30
4.4.40.0000.02712.30
4.4.30.0000.01712.30
4.4.20.0030.02712.30
4.4.10.0030.03712.30
4.4.00.0000.02312.30
4.3.110.0030.01312.30
4.3.100.0000.02712.30
4.3.90.0000.02012.30
4.3.80.0000.04712.30
4.3.70.0030.02012.30
4.3.60.0030.02712.30
4.3.50.0000.01712.30
4.3.40.0000.02712.30
4.3.30.0000.01312.30
4.3.20.0030.01712.30
4.3.10.0000.03312.30
4.3.00.0030.03012.30

preferences:
50.95 ms | 400 KiB | 5 Q