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This article mainly describes how php user input verification, the article is very detailed, has a certain reference value, interested friends must read!

For user input a string $string,$string is required to contain only numbers greater than 0 and English commas. Please verify with regular expression. For $string that does not meet the requirements, an error message is returned class regx { public static function check($str) { if(preg_match("/^([1-9,])+$/",$str)) { return true; } return false; } } $str="12345,6"; if(regx::check($str)) { echo "suc"; } else { echo "fail"; } The above is "How to implement user input validation in php" All the contents of this article, thank you for reading! Hope to share the content to help everyone, more relevant knowledge, welcome to pay attention to the industry information channel!

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