Implementation code for escaping mysql statements in php_PHP tutorial

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Release: 2016-07-21 15:27:56
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It is impossible for you to manually escape every such special character, not to mention that you usually deal with content that is automatically submitted by the form.

So, the mysql_real_escape_string function should be used:

mysql_real_escape_string — Escapes special characters in a string used in a SQL statement, taking into account the current character set of the connection.

But note: this function does not escape % and _. In addition, it is best not to use this function on the entire SQL statement, but only escape the string parameters passed into the SQL statement, otherwise unexpected results will occur.

Script example:

Copy code The code is as follows:

$item = "Zak's and Derick's Laptop";
$escaped_item = mysql_real_escape_string($item);
printf ("Escaped string: %sn", $escaped_item);
?>

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/323641.htmlTechArticleYou can’t manually escape every such special character, not to mention what you usually deal with Content automatically submitted by the form. Therefore, the mysql_real_escape_string function should be used...
source:php.cn
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