- $f = file('words.txt');
- $words = array();
- foreach ($f as $w) {
- $words[] = preg_quote(trim($w), '/');
- }
- $text = file_get_contents('text.txt');
-
- $start = microtime(true);
- $reg = '/' . implode('|', $words) . '/S';
-
- preg_match_all($reg, $text, $m);
-
- $result = array();
- $total = 0;
- foreach ($m[0] as $w) {
- if (!isset($result[$w])) {
- $result[$w] = 1;
- } else {
- $result[$w]++;
- }
- $total++;
- }
- $end = microtime(true);
- echo $end - $start, "\n";
- echo $total, "\n";
-
- print_r($result);
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