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  1. <?php
  2. function ParseText($text) {
  3.     $re = '/\[\[(?P<DoubleBracket>.*?)]]|\[(?P<Bracket>.*?)]|\((?P<Paren>.*?)\)|(?<Arrow><---+>?|---+>)/s';
  4.     $keys = array('DoubleBracket', 'Bracket', 'Paren', 'Arrow');
  5.     $result = array();
  6.     $lastStart = 0;
  7.     if (preg_match_all($re, $text, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
  8.         foreach ($matches as $match) {
  9.             $start = $match[0][1];
  10.             $prefix = substr($text, $lastStart, $start - $lastStart);
  11.             $lastStart = $start + strlen($match[0][0]);
  12.             if ($prefix != '' && !ctype_space($prefix)) {
  13.                 $result []= array('Text', trim($prefix));
  14.             }
  15.             foreach ($keys as $key) {
  16.                 if (isset($match[$key]) && $match[$key][1] >= 0) {
  17.                     $result []=  array($key, $match[$key][0]);
  18.                     break;
  19.                 }
  20.             }
  21.         }
  22.     }
  23.     $prefix = substr($text, $lastStart);
  24.     if ($prefix != '' && !ctype_space($prefix)) {
  25.         $result []= array('Text', trim($prefix));
  26.     }
  27.     return $result;
  28. }
  29.  
  30. $mytext = <<<'EOT'
  31. Text Text [something]
  32. --->
  33. Text (something 021213)
  34. More Text
  35. EOT;
  36.  
  37. $parser = ParseText($mytext);
  38. foreach ($parser as $item) {
  39.     print_r($item);
  40. }
  41. ?>
  42.  
Success #stdin #stdout 0.01s 20568KB
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Array
(
    [0] => Text
    [1] => Text Text
)
Array
(
    [0] => Bracket
    [1] => something
)
Array
(
    [0] => Arrow
    [1] => --->
)
Array
(
    [0] => Text
    [1] => Text
)
Array
(
    [0] => Paren
    [1] => something 021213
)
Array
(
    [0] => Text
    [1] => More Text
)
https://ideone.com/kJQrBw
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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