3v4l.org

run code in 300+ PHP versions simultaneously
<?php function snake($k,$y,$str1,$str2){ $x = $y - $k; while($x < count($str1) && $y < count($str2) && $str1[$x] == $str2[$y]){ $x++; $y++; } return $y; } function edit_distance_onp($str1, $str2){ $s1 = count($str1) > count($str2) ? $str2 : $str1; $s2 = count($str1) > count($str2) ? $str1 : $str2; $fp = array(); $x = 0; $y = 0; $k = 0; $p = 0; $offset = count($s1) + 1; $delta = count($s2) - count($s1); for ($i = 0; $i < 15; $i++) $fp[$i] = -1; for ($p = 0; $fp[$delta + $offset] != count($s2); $p++) { for($k = -$p; $k < $delta; $k++) $fp[$k + $offset] = snake($k, max($fp[$k-1+$offset] + 1, $fp[$k+1+$offset]), $s1, $s2); for($k = $delta + $p; $k > $delta; $k--) $fp[$k + $offset] = snake($k, max($fp[$k-1+$offset] + 1, $fp[$k+1+$offset]), $s1, $s2); $fp[$delta + $offset] = snake($delta, max($fp[$delta-1+$offset] + 1, $fp[$delta+1+$offset]), $s1, $s2); } return $delta + ($p - 1) * 2; } $cha1[0] = "aaa"; $cha1[1] = "bbb"; $cha1[2] = "ccc"; $cha2[0] = "ddd"; $cha2[1] = "bbb"; $cha2[2] = "fff"; echo edit_distance_onp($cha1,$cha2); ?>

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)
8.3.60.0100.01018.30
8.3.50.0080.00822.05
8.3.40.0090.00918.82
8.3.30.0100.00319.12
8.3.20.0000.00720.29
8.3.10.0080.00023.52
8.3.00.0080.00019.18
8.2.180.0040.01118.29
8.2.170.0150.00322.96
8.2.160.0120.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0030.00719.25
8.2.110.0050.00521.04
8.2.100.0040.00818.22
8.2.90.0060.00319.26
8.2.80.0090.00017.97
8.2.70.0050.00317.63
8.2.60.0100.00317.78
8.2.50.0000.00818.07
8.2.40.0030.00718.16
8.2.30.0070.00018.35
8.2.20.0080.00017.84
8.2.10.0040.00418.28
8.2.00.0000.00819.43
8.1.280.0060.01225.92
8.1.270.0000.00923.97
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01021.42
8.1.230.0040.00817.89
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0040.00417.38
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0050.00222.10
8.1.150.0030.00518.71
8.1.140.0040.00417.47
8.1.130.0000.00717.76
8.1.120.0000.00717.39
8.1.110.0000.00717.52
8.1.100.0000.00717.52
8.1.90.0000.00717.46
8.1.80.0050.00317.46
8.1.70.0000.00717.38
8.1.60.0050.00317.49
8.1.50.0060.00317.50
8.1.40.0070.00017.48
8.1.30.0040.00417.67
8.1.20.0080.00017.61
8.1.10.0030.00617.61
8.1.00.0040.00417.58
8.0.300.0000.00718.77
8.0.290.0080.00016.61
8.0.280.0000.00818.36
8.0.270.0050.00317.30
8.0.260.0030.00317.16
8.0.250.0030.00316.89
8.0.240.0000.00717.01
8.0.230.0040.00416.93
8.0.220.0000.00616.89
8.0.210.0000.00716.93
8.0.200.0040.00416.91
8.0.190.0040.00416.87
8.0.180.0040.00416.96
8.0.170.0000.00816.84
8.0.160.0040.00316.96
8.0.150.0000.00716.95
8.0.140.0000.00716.96
8.0.130.0060.00013.34
8.0.120.0040.00416.81
8.0.110.0000.00716.79
8.0.100.0040.00416.82
8.0.90.0050.00216.75
8.0.80.0060.00916.88
8.0.70.0000.00816.90
8.0.60.0070.00016.93
8.0.50.0070.00016.77
8.0.30.0110.01117.06
8.0.20.0140.00517.40
8.0.10.0000.00817.07
8.0.00.0070.01016.95
7.4.330.0030.00315.05
7.4.320.0030.00316.62
7.4.300.0040.00416.51
7.4.290.0030.00316.42
7.4.280.0050.00316.53
7.4.270.0040.00416.55
7.4.260.0030.00316.58
7.4.250.0040.00416.36
7.4.240.0040.00416.50
7.4.230.0000.00716.72
7.4.220.0070.01016.45
7.4.210.0100.01016.49
7.4.200.0040.00416.69
7.4.160.0080.00816.35
7.4.150.0080.01217.40
7.4.140.0120.00917.86
7.4.130.0070.01216.53
7.4.120.0070.00916.53
7.4.110.0040.01216.59
7.4.100.0110.00716.61
7.4.90.0100.00716.72
7.4.80.0150.00619.39
7.4.70.0160.00016.67
7.4.60.0070.01016.49
7.4.50.0000.00416.38
7.4.40.0070.01016.64
7.4.30.0080.01416.42
7.4.00.0060.00914.79
7.3.330.0060.00013.39
7.3.320.0000.00513.16
7.3.310.0030.00316.43
7.3.300.0000.00716.44
7.3.290.0110.00716.41
7.3.280.0080.01016.35
7.3.270.0120.00817.40
7.3.260.0100.00716.47
7.3.250.0120.00616.51
7.3.240.0030.02016.68
7.3.230.0100.00616.42
7.3.210.0100.01016.48
7.3.200.0100.00719.39
7.3.190.0090.00516.67
7.3.180.0060.00916.70
7.3.170.0120.00916.47
7.3.160.0070.00916.46
7.3.120.0090.00814.96
7.3.110.0070.00614.96
7.3.100.0040.01414.93
7.3.90.0000.01414.70
7.3.80.0120.00314.70
7.3.70.0070.00714.79
7.3.60.0060.00614.97
7.3.50.0060.00614.91
7.3.40.0060.00914.82
7.3.30.0080.00414.98
7.3.20.0050.00516.50
7.3.10.0040.01216.70
7.3.00.0070.00416.74
7.2.330.0140.00316.68
7.2.320.0100.00716.71
7.2.310.0100.00716.54
7.2.300.0150.00616.66
7.2.290.0030.01416.82
7.2.250.0110.00714.96
7.2.240.0130.00715.24
7.2.230.0070.00714.79
7.2.220.0030.00915.18
7.2.210.0040.01215.22
7.2.200.0030.00915.05
7.2.190.0040.00815.23
7.2.180.0070.00715.09
7.2.170.0090.01215.04
7.2.110.0030.01016.33
7.2.60.0150.00016.84
7.2.00.0000.01219.44
7.1.330.0100.00615.51
7.1.320.0110.00415.87
7.1.310.0000.01215.91
7.1.300.0050.00515.92
7.1.290.0120.00315.89
7.1.280.0060.00615.83
7.1.270.0060.00615.79
7.1.260.0030.01315.97
7.1.200.0040.00715.66
7.1.100.0000.00918.27
7.1.70.0000.00716.87
7.1.60.0030.02019.70
7.1.50.0000.01417.04
7.1.00.0000.08022.54
7.0.200.0040.00416.78
7.0.140.0070.07322.18
7.0.60.0100.08019.96
7.0.50.0070.08317.91
7.0.40.0130.06320.30
7.0.30.0570.06020.30
7.0.20.0230.04720.12
7.0.10.0200.06720.21
7.0.00.0170.07720.09
5.6.280.0000.07721.16
5.6.210.0070.08320.66
5.6.200.0070.03718.22
5.6.190.0100.08720.54
5.6.180.0270.08320.61
5.6.170.0200.03720.62
5.6.160.0030.04320.61
5.6.150.0070.04018.14
5.6.140.0030.07718.15
5.6.130.0030.08318.14
5.6.120.0000.08721.01
5.6.110.0070.08320.91
5.6.100.0030.04021.04
5.6.90.0070.05321.13
5.6.80.0100.08720.40
5.6.70.4030.03320.38
5.5.350.0070.08020.45
5.5.340.0070.08018.08
5.5.330.0070.04020.21
5.5.320.0330.04320.32
5.5.310.0270.03320.23
5.5.300.0070.03717.97
5.5.290.0170.04018.08
5.5.280.0100.08020.81
5.5.270.0130.07720.88
5.5.260.0070.07320.74
5.5.250.0100.06720.59
5.5.240.0230.04020.05
5.4.450.0330.05029.27
5.4.440.0270.04326.93
5.4.430.0370.04323.83
5.4.420.0370.05022.40
5.4.410.0300.04721.57
5.4.400.0430.03721.56
5.4.390.0470.04021.36
5.4.380.0200.05318.54
5.4.370.0170.05718.77
5.4.360.0170.05318.75
5.4.350.0100.06018.68
5.4.340.0230.04718.68
5.4.320.0070.03412.52
5.4.310.0070.04512.51
5.4.300.0050.03712.52
5.4.290.0060.03912.51
5.4.280.0040.03712.41
5.4.270.0060.03612.40
5.4.260.0060.03712.41
5.4.250.0050.04012.41
5.4.240.0070.04012.41
5.4.230.0050.04012.40
5.4.220.0050.04212.40
5.4.210.0040.03812.40
5.4.200.0070.03612.40
5.4.190.0070.04412.39
5.4.180.0060.04112.39
5.4.170.0040.03712.41
5.4.160.0080.04012.40
5.4.150.0110.04212.40
5.4.140.0080.04412.08
5.4.130.0090.03212.07
5.4.120.0070.03312.02
5.4.110.0070.03412.02
5.4.100.0050.03612.02
5.4.90.0100.03412.02
5.4.80.0050.04012.02
5.4.70.0060.03412.02
5.4.60.0050.03512.02
5.4.50.0080.03412.02
5.4.40.0060.03412.00
5.4.30.0060.03512.00
5.4.20.0040.04412.00
5.4.10.0050.03412.00
5.4.00.0050.03711.49
5.3.290.0060.03812.80
5.3.280.0070.03612.71
5.3.270.0040.04112.72
5.3.260.0080.03712.72
5.3.250.0040.03912.72
5.3.240.0110.04312.72
5.3.230.0050.03812.71
5.3.220.0060.03812.68
5.3.210.0070.03912.68
5.3.200.0060.04412.68
5.3.190.0050.04212.67
5.3.180.0050.03612.67
5.3.170.0040.03812.67
5.3.160.0080.03412.67
5.3.150.0050.03912.67
5.3.140.0060.03612.66
5.3.130.0060.03912.65
5.3.120.0040.04112.66
5.3.110.0070.04512.66
5.3.100.0050.03812.14
5.3.90.0020.04012.12
5.3.80.0080.04712.11
5.3.70.0030.03912.11
5.3.60.0040.03812.10
5.3.50.0070.03712.04
5.3.40.0150.03512.04
5.3.30.0040.03712.00
5.3.20.0060.03511.79
5.3.10.0040.04211.75
5.3.00.0050.03711.74
5.2.170.0040.0319.23
5.2.160.0060.0289.23
5.2.150.0050.0329.24
5.2.140.0070.0329.23
5.2.130.0050.0299.20
5.2.120.0030.0299.19
5.2.110.0030.0349.20
5.2.100.0050.0339.20
5.2.90.0060.0279.19
5.2.80.0050.0299.20
5.2.70.0040.0319.19
5.2.60.0060.0299.16
5.2.50.0050.0299.12
5.2.40.0070.0269.10
5.2.30.0050.0299.07
5.2.20.0050.0339.05
5.2.10.0050.0328.96
5.2.00.0060.0288.83
5.1.60.0070.0218.12
5.1.50.0010.0288.11
5.1.40.0060.0238.09
5.1.30.0010.0298.43
5.1.20.0050.0308.46
5.1.10.0030.0308.19
5.1.00.0040.0288.19
5.0.50.0050.0196.68
5.0.40.0030.0206.54
5.0.30.0050.0306.35
5.0.20.0040.0196.31
5.0.10.0020.0226.30
5.0.00.0050.0316.30
4.4.90.0020.0174.78
4.4.80.0020.0174.76
4.4.70.0000.0184.75
4.4.60.0060.0164.75
4.4.50.0040.0224.77
4.4.40.0040.0244.71
4.4.30.0040.0154.76
4.4.20.0050.0134.85
4.4.10.0040.0174.85
4.4.00.0020.0264.76
4.3.110.0040.0154.67
4.3.100.0040.0134.67
4.3.90.0030.0144.63
4.3.80.0030.0244.59
4.3.70.0020.0164.63
4.3.60.0030.0194.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0173.35
4.3.20.0020.0163.33
4.3.10.0030.0153.29
4.3.00.0130.01321.36

preferences:
46.15 ms | 401 KiB | 5 Q