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解决方案是在查询中使用字符串之前使用mysqli_real_escape_string()。 <?php $connection = mysqli_connect( "localhost" , "root" , "" , "Persons" ); // Check connection if (mysqli_connect_errno()) { echo "Database connection failed." ; } $firstname = "Robert'O" ; $lastname = "O'...
$mysqli->affected_rows); }else{// Query fails because the apostrophe in// the string interferes with the queryprintf("An error occurred!"); }?> 在上面的代码中,查询失败,因为当使用mysqli_query()执行撇号时,将撇号视为查询的一部分。解决方案是在查询中使用字符串之前使用mysqli_real_escape_str...
echo 'String with a php variable'.$name; " 双引号 在PHP 中使用双引号以避免在字符串中使用句点分隔代码(注意:如果您不想使用连接 (.) 运算符,请使用花括号{}来包含变量)。 例子: echo "Start with a simple string"; echo "String's apostrophe"; echo "String with a php variable {$name}"; P...
If you want to output a string that includes quotations, either use an apostrophe ( ' ) orescapethe quotations by placing a backslash in front of it ( \" ). The backslash will tell PHP that you want the quotation to be used within the string and NOT to be used to endecho'sstring....
}else{// Query fails because the apostrophe in// the string interferes with the queryprintf("An error occurred!"); }?> AI代码助手复制代码 在上面的代码中, 查询失败, 因为使用mysqli_query()执行撇号时, 会将撇号视为查询的一部分。解决方案是在查询中使用字符串之前使用mysqli_real_escape_string...
I tried to check for punctuation errors, apostrophe errors, variable misplacements and errors in table structure. i ran the query on PhPmyAdmin and it works fine. php html sql mysql pdo Share Copy link Improve this question Follow editedDec 2, 2023 at 19:18 ...
<?php $string="O'Reilly"; $add=addslashes($string); # RISKY! -- will count the slash $result=serialize($add); ?> In both cases, a backslash will be added after the apostrophe in "O'Reilly"; only in the second case will the backslash be included in the string length as recorded ...
//trying to match "\'" (2 characters) in a text file, '\\\'' as PHP string:$subject = file_get_contents('myfile.txt');preg_match('/\\\'/',$subject); //DOESN'T MATCH!!! stored as 0x5C,0x27 (escaped apostrophe), this only matches apostrophepreg_match('/\\\'/',$subject...
//trying to match "\'" (2 characters) in a text file, '\\\'' as PHP string:$subject = file_get_contents('myfile.txt');preg_match('/\\\'/',$subject); //DOESN'T MATCH!!! stored as 0x5C,0x27 (escaped apostrophe), this only matches apostrophepreg_match('/\\\'/',$subject...