PHP reads a text file and outputs the most used characters and corresponding times in the line line by line. Detailed explanation of method examples

This article mainly introduces the method of PHP reading a text file and outputting the most used characters and corresponding times in the line line by line, involving PHP's reading of the file and StringTraversal, statistics, Sorting and other related operation skills

The example in this article describes the method of PHP reading a text file and outputting the most used characters and the corresponding times in the line line by line. Share it with everyone for your reference, the details are as follows:

test.txt file:

Welcome to our website jb51.net
www.jb51.net
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php code (read test.txt file):

$myfile = fopen("test.txt", "r");
while(!feof($myfile)) {
  $line_str = fgets($myfile);
  $str_arr = count_chars($line_str, 1);
  arsort($str_arr);
  print_r(chr(key($str_arr)).' is '.current($str_arr).PHP_EOL);
}
fclose($myfile);

The running results are as follows:

 e is 5 w is 3 p is 4

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