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  1. <?php
  2.     $regex_array = array(
  3.         "/a+/" => 0,
  4.         "/b/" => 0,
  5.         "/c/" => 0,
  6.         "/d/" => 0
  7.     );
  8.  
  9.     $strings_array = array(
  10.         "aa",
  11.         "ab",
  12.         "abc",
  13.         "abcd"
  14.     );
  15.  
  16.     foreach ($regex_array as $key => $value)
  17.         foreach ($strings_array as $current_string)
  18.             if (preg_match($key, $current_string))
  19.          $regex_array[$key]++;
  20.  
  21.     foreach ($regex_array as $key => $value)
  22.         echo($key . " => " . $value . " matchings\n");
  23. ?>
Success #stdin #stdout 0.03s 52480KB
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stdin
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Standard input is empty
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/a+/ => 4 matchings
/b/ => 3 matchings
/c/ => 2 matchings
/d/ => 1 matchings
https://ideone.com/wN3e00
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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