Home > Article > Backend Development > Solving the problem of preg_match long string matching failure in PHP_PHP tutorial
Solving the problem of preg_match long string matching failure in PHP_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:55:591033browse
The article introduces a problem often encountered in PHP development. Preg_match fails to match long strings. Students who have encountered the same problem can refer to it.
The string is relatively long, so I wonder if preg_match also has a string length limit, and sure enough!
This will happen with preg_match and preg_match_all.
Solution:
1. ini_set(‘pcre.backtrack_limit’, 1000000); //The default is only 100000
2. Modify the pcre.backtrack_limit parameter of php.ini to support larger strings. Add configuration: pcre.backtrack_limit=-1
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：The difference between mb_convert_encoding and iconv in php_PHP tutorialNext article：The difference between mb_convert_encoding and iconv in php_PHP tutorial