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Preg_match regular matching string length problem analysis

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Release： 2016-07-25 08:54:39

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ini_set(‘pcre.backtrack_limit’, 999999999);

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Note: This parameter is available after PHP 5.2.0 version.

About: pcre.recursion_limit pcre.recursion_limit is the recursion limit of pcre. If this item is set to a large value, the available stacks of all processes will be consumed, and eventually PHP will crash. You can also limit it by modifying the configuration:

ini_set('pcre.recursion_limit', 99999);

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It is best to limit the memory:

ini_set(' memory_limit', '64m'); .

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Related labels：

preg_match正则匹配字符串长度问题分析

source：php.cn

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