3v4l.org

run code in 300+ PHP versions simultaneously
<?php $names = array( '真三国无双', '无双剑姬', '虚无', '一时无两', '南无阿弥陀佛', '崖山之后无中国', '折盒热熔压敏胶JH 1101' ); //拆分词语为单个字符 function split_name($name) { preg_match_all("/./u", $name, $arr); return $arr[0]; } //最长公共子序列 function LCS($str_1, $str_2) { $len_1 = strlen($str_1); $len_2 = strlen($str_2); $len = $len_1 > $len_2 ? $len_1 : $len_2; $dp = array(); for ($i = 0; $i <= $len; $i++) { $dp[$i] = array(); $dp[$i][0] = 0; $dp[0][$i] = 0; } for ($i = 1; $i <= $len_1; $i++) { for ($j = 1; $j <= $len_2; $j++) { if ($str_1[$i - 1] == $str_2[$j - 1]) { $dp[$i][$j] = $dp[$i - 1][$j - 1] + 1; } else { $dp[$i][$j] = $dp[$i - 1][$j] > $dp[$i][$j - 1] ? $dp[$i - 1][$j] : $dp[$i][$j - 1]; } } } return $dp[$len_1][$len_2]; } function search($name) { Global $names; $sort_list = array(); if (mb_strlen($name, 'utf-8') != strlen($name)) { // 是否全英文字符 $arr_1 = array_unique(split_name($name)); foreach ($names as $value) { $arr_2 = array_unique(split_name($value)); $similarity = count($arr_2) - count(array_diff($arr_2, $arr_1)); $sort_list[$value] = $similarity; } } else { foreach ($names as $value) { $similarity = LCS($name, $value); $sort_list[$value] = $similarity; } } arsort($sort_list); return $sort_list; } header('content-type:text/html;charset=utf-8'); print_r(search('中国'));

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)
8.3.60.0090.00617.00
8.3.50.0070.01122.08
8.3.40.0040.01118.79
8.3.30.0110.00318.87
8.3.20.0080.00020.43
8.3.10.0030.00523.48
8.3.00.0080.00017.93
8.2.180.0120.00618.54
8.2.170.0170.00022.96
8.2.160.0150.00020.67
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0030.00718.00
8.2.110.0070.00322.40
8.2.100.0090.00318.18
8.2.90.0040.00419.33
8.2.80.0080.00017.97
8.2.70.0090.00017.88
8.2.60.0070.00318.04
8.2.50.0060.00318.07
8.2.40.0000.00821.16
8.2.30.0030.00420.69
8.2.20.0040.00418.06
8.2.10.0070.00018.12
8.2.00.0080.00018.27
8.1.280.0110.01125.92
8.1.270.0080.00023.91
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00422.70
8.1.230.0090.00317.91
8.1.220.0030.00517.91
8.1.210.0060.00318.77
8.1.200.0050.00517.50
8.1.190.0040.00417.61
8.1.180.0000.00818.10
8.1.170.0030.00520.41
8.1.160.0050.00322.09
8.1.150.0070.00018.85
8.1.140.0030.00519.57
8.1.130.0020.00517.83
8.1.120.0040.00417.66
8.1.110.0000.00717.54
8.1.100.0040.00417.59
8.1.90.0030.00517.63
8.1.80.0030.00717.60
8.1.70.0000.00717.56
8.1.60.0080.00017.88
8.1.50.0030.00617.75
8.1.40.0040.00417.78
8.1.30.0050.00317.95
8.1.20.0000.00917.80
8.1.10.0000.00817.86
8.1.00.0040.00417.72
8.0.300.0030.00518.77
8.0.290.0040.00417.13
8.0.280.0050.00318.47
8.0.270.0030.00617.40
8.0.260.0000.00717.33
8.0.250.0000.00717.40
8.0.240.0000.00717.18
8.0.230.0000.00717.41
8.0.220.0000.00717.31
8.0.210.0000.00717.16
8.0.200.0060.00317.17
8.0.190.0000.00917.23
8.0.180.0040.00817.19
8.0.170.0040.00417.26
8.0.160.0000.00717.12
8.0.150.0040.00417.13
8.0.140.0050.00217.14
8.0.130.0030.00313.61
8.0.120.0070.00317.10
8.0.110.0040.00417.06
8.0.100.0070.00017.09
8.0.90.0070.00017.22
8.0.80.0130.01117.27
8.0.70.0060.00317.29
8.0.60.0030.00617.19
8.0.50.0040.00417.17
8.0.30.0090.00917.28
8.0.20.0140.00717.41
8.0.10.0050.00317.00
8.0.00.0100.01117.02
7.4.330.0060.00015.11
7.4.320.0070.00016.64
7.4.300.0000.00716.70
7.4.290.0070.00016.76
7.4.280.0040.00416.87
7.4.270.0000.00716.81
7.4.260.0000.00816.82
7.4.250.0030.00616.73
7.4.240.0030.00516.83
7.4.230.0030.00316.65
7.4.220.0140.00716.95
7.4.210.0090.00616.73
7.4.200.0070.00016.96
7.4.160.0110.00516.68
7.4.150.0120.00617.40
7.4.140.0050.01317.86
7.4.130.0040.01516.84
7.4.120.0060.01416.78
7.4.110.0030.01416.74
7.4.100.0000.02116.52
7.4.90.0100.00716.69
7.4.80.0100.00719.39
7.4.70.0000.02416.95
7.4.60.0110.00516.69
7.4.50.0000.01016.83
7.4.40.0090.00916.80
7.4.30.0070.01116.70
7.4.00.0140.00314.82
7.3.330.0000.00613.43
7.3.320.0070.00013.43
7.3.310.0000.00816.45
7.3.300.0000.00716.57
7.3.290.0080.01016.62
7.3.280.0090.00716.60
7.3.270.0140.00317.40
7.3.260.0100.01016.60
7.3.240.0080.01416.69
7.3.230.0060.01116.77
7.3.210.0130.00316.70
7.3.200.0090.00916.53
7.3.190.0130.00716.92
7.3.180.0060.00916.81
7.3.170.0110.01116.68
7.3.160.0110.00516.53
7.2.330.0100.01016.77
7.2.320.0070.01116.93
7.2.310.0090.01216.95
7.2.300.0150.00616.98
7.2.290.0090.00916.93
7.2.60.0100.00316.97
7.2.00.0030.00619.56
7.1.200.0030.01015.99
7.1.100.0080.00517.98
7.1.70.0100.00517.38
7.1.60.0100.01019.50
7.1.50.0090.01216.92
7.1.00.0100.07022.48
7.0.200.0000.01016.95
7.0.60.0070.07719.95
7.0.50.0000.05717.89
7.0.40.0030.09020.00
7.0.30.0270.08320.25
7.0.20.0270.03720.10
7.0.10.0330.07720.18
7.0.00.0000.04320.20
5.6.280.0030.03321.14
5.6.210.0100.06320.78
5.6.200.0000.09018.19
5.6.190.0030.04320.61
5.6.180.4170.04320.50
5.6.170.0270.08020.50
5.6.160.0070.05020.50
5.6.150.0100.07718.29
5.6.140.0100.07718.20
5.6.130.0030.05318.27
5.6.120.0000.07021.04
5.6.110.0070.08721.15
5.6.100.0030.05721.00
5.6.90.0200.07020.98
5.6.80.0100.04020.37
5.5.350.0030.07320.43
5.5.340.0030.04017.99
5.5.330.0030.04720.43
5.5.320.0430.05320.28
5.5.310.0270.04720.35
5.5.300.0030.08317.99
5.5.290.0100.07018.01
5.5.280.0070.08321.00
5.5.270.0070.07720.89
5.5.260.0070.05020.81
5.5.250.0100.07320.59
5.5.240.0030.06320.36
5.4.450.0730.07319.15
5.4.440.0770.05719.32
5.4.430.0900.09319.55
5.4.420.0930.05719.19
5.4.410.0730.06319.21
5.4.400.0970.06018.84
5.4.390.0770.06019.27
5.4.380.1170.05319.21
5.4.370.0900.06319.03
5.4.360.0670.06718.85
5.4.350.0900.05718.82
5.4.340.0900.06019.26
5.4.320.0730.06319.01
5.4.310.0970.04719.26
5.4.300.0730.06019.26
5.4.290.0800.06019.21
5.4.280.0600.07019.20
5.4.270.0730.05019.19
5.4.260.0930.05318.98
5.4.250.0700.05719.21
5.4.240.0870.05718.98
5.4.230.0770.05318.83
5.4.220.0930.07719.16
5.4.210.1070.08019.21
5.4.200.0800.07019.03
5.4.190.0730.07719.02
5.4.180.0670.06719.25
5.4.170.0530.05719.20
5.4.160.0600.05318.84
5.4.150.0870.06319.01
5.4.140.1070.05716.60
5.4.130.0730.06316.47
5.4.120.0800.05716.70
5.4.110.0770.05716.58
5.4.100.1070.04716.56
5.4.90.0700.07316.63
5.4.80.1100.06716.48
5.4.70.0970.06716.44
5.4.60.1030.07016.53
5.4.50.0970.06016.41
5.4.40.0830.05716.41
5.4.30.0830.05716.52
5.4.20.0770.06316.22
5.4.10.0770.05716.52
5.4.00.0800.04715.90

preferences:
52.86 ms | 401 KiB | 5 Q