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php mysql_real_escape_string alternative
rev2022.12.9.43105. lost in binary 2014-08-30 12:32:39 59 1 php/ mysqli/ special-characters/ mysql-real-escape-string : StackOverFlow2 yoyou2525@163.com php by Armandres on Mar 08 2022 Donate Comment krotkruton. This function is identical to mysql_real_escape_string() except that mysql_real_escape_string() takes a connection handler and escapes the string according to the current character set. it will be described in numerous other answers. What does "use strict" do in JavaScript, and what is the reasoning behind it? You can use strip_tags() - it will delete all html tags, including javascripts. Thus, the prepare() is still needed. So my host runs an older version of php in which the mysql_real_escape_string function is not included. 7. Find centralized, trusted content and collaborate around the technologies you use most. I know there is a custom php function on stackoverflow (see: actually, it looks like $wpdb->prepare does the proper escaping according to this page. For example, I need to run the function like this: Notice I am sending two apostrophe's-- unescaped, with an escaped string inside. I would suggest passing in an array of values to be escaped and using sprintf() format the query while escaping each of the values. Ready to optimize your JavaScript with Rust? it will be described in numerous other answers. What goes into the database is exactly what you started with. I'm looking for the alternative of mysql_real_escape_string() for SQL Server. The query would supposedly be the same every time. Does balls to the wall mean full speed ahead or full speed ahead and nosedive? 2022 ITCodar.com. Modified 5 years, 7 months ago. The reason being that I need to use this function more than I actually need to connect to the database. |php php,mysql_real_escape_string -phpunescaped_stringmysql_query Sed based on 2 words, then replace whole line with variable, QGIS expression not working in categorized symbology. it doesn't remove javascript (unless it's in script tags), or php (even if its in php tags). rev2022.12.9.43105. Browse other questions tagged. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. There are no fundamental injection vulnerabilities in mysql_real_escape_string that I am aware of if it is applied correctly. Name of a play about the morality of prostitution (kind of). I am passing a variable to a function that executes a query The MySQL connection only occurs inside the function, and closes inside the function I want to be able to safely escape strings BEFORE . mysqli_real_escape_string Tutorials. The real question here is; why do you wanna strip it? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This means the string is escaped while treating multi-byte characters properly; i.e., it won't insert escaping characters in the middle of a character. An alternative to mysql_real_escape_string is using prepared statements, for example with PDO or MySQLi. Alternative to mysql_real_escape_string for PHP [duplicate], Alternative to mysql_real_escape_string without connecting to DB. Hundreds of website tutorials currently tell you the best way to escape strings is 'mysql_real_escape_string' and I don't see a single alternative example given yet. Appropriate translation of "puer territus pedes nudos aspicit"? When mysql_real_escape_string () returns, the contents of to is a null-terminated string. mysql_escape_string() does not take a connection argument and does not respect the . This function is identical to mysql_real_escape_string() except that mysql_real_escape_string() takes a connection handler and escapes the string according to the current character set. May 20, 2014 at 22:41. It should not be used for non string values, such as numbers, floats etc. Help us identify new roles for community members, $wpdb->prepare is not working like mysql_real_escape_string, Out of Memory - Line 791 of WP-DB.php (mysql_real_escape_string), Inserting data into MagicFields using mysql queries, Alternative functions for mysql_free_result and mysql_ping in wordpress functions. Making statements based on opinion; back them up with references or personal experience. In that case try lazy evaluation. Allow non-GPL plugins in a GPL main program. Do you know if there is another function I can use as an alternative to mysql_real_escape_string that will safely escape characters? Not the answer you're looking for? This function was adopted by many to escape single quotes in strings and by the same occasion prevent SQL injection attacks. Would salt mines, lakes or flats be reasonably found in high, snowy elevations. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. So my main question is: Did the apostolic or early church fathers acknowledge Papal infallibility? We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. How to set a newcommand to be incompressible by justification? (PHP). Edited August 14, 2015 by Ch0cu3r. Php codeIgnitermysql\u real\u escape\u string,php,mysql,codeigniter,mysqli,mamp,Php,Mysql,Codeigniter,Mysqli,Mamp,CodeIgnitermacMAMPhtdocs ErrorException [ 8192 ]: mysql_escape_string(): This . Appealing a verdict due to the lawyers being incompetent and or failing to follow instructions? Are the S&P 500 and Dow Jones Industrial Average securities? Should teachers encourage good students to help weaker ones? He said though Google gives you results, its good if you get user-level which gives me more hands on. The best answers are voted up and rise to the top, Not the answer you're looking for? - gmazzap. Thanks much appreciated. Reference - What does this error mean in PHP? Why is this usage of "I've to work" so awkward? But (if it's appropriate to your situation), consider instead running the string through htmlspeciachars after retrieving from the db, before displaying it. According to the, game development is liek a state of mind man.. it's liek when you liek think and then you liek make it fun++, Thanks again, and for the link. http://www.php.net/manual/en/language.types.string.php. The new page is located here: https://www.php.net/manual/en/function.mysql-real-escape-string.php. Received a 'behavior reminder' from manager. PHP is an HTML-enabled server-side programming language. Are the S&P 500 and Dow Jones Industrial Average securities? Message Was Not Sent.Mailer Error: Smtp Connect() Failed, What Is Causing "Unable to Allocate Memory For Pool" in PHP, Warning: Cannot Modify Header Information - Headers Already Sent by Error, Convert Date String to MySQL Datetime Field, How to Emulate a Get Request Exactly Like a Web Browser, PHP Fatal Error: Call to Undefined Function Json_Decode(), What's Quicker and Better to Determine If an Array Key Exists in PHP, About Us | Contact Us | Privacy Policy | Free Tutorials. Alternative to MySQL_Real_Escape_String Without Connecting to Db. E.g. overcoder. So if I echo(htmlspecialchars(strip_tags(string)); it might just work out good? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. You still need to use this - (or move to PDO prepared statements etc). Best Answers: 0. q&a it- Ask Question Asked 8 years, 6 months ago. That's not what mysql_real_escape_string does or did (the functions are now deprecated). Is it appropriate to ignore emails from a student asking obvious questions? Escapes special characters in the unescaped_string, taking into account the current character set of the connection so that it is safe to place it in a mysql_query().If binary data is to be inserted, this function must be used. Look into functions as strip_tags, or even better, htmlspecialchars. I'd go for htmlspecialchars(). He asked how to remove code from text, which is exactly what strip_tags does. Viewed 21k times . mysql_real_escape_string . myquery("SELECT * FROM table WHERE id = %s","My string"); You can use another way of substitutions, a modern one: prepared statements. A good planned application wouldn't have such odd limitation. Asking for help, clarification, or responding to other answers. Are the S&P 500 and Dow Jones Industrial Average securities? An alternative to mysql_real_escape_string is using prepared statements, for example with PDO or MySQLi. . However, instead of escaping, it's a better idea to use parameterized queries from the MySQLi library; there has previously been bugs in the escaping routine, and it's possible that some could appear again. mysql_real_escape_string, on the other hand, uses the information about the character set used for the MySQL connection. Connect and share knowledge within a single location that is structured and easy to search. According to the PHP Manual Page, mysql_real_escape_string escapes the following characters: \\x00, \\n, \\r, \\, Any ideas on what other function will properly escape the contents of $myTitle now that I can't use mysql_real_escape_string anymore? Escapes special characters in the unescaped_string, taking into account the current character set of the connection so that it is safe to place it in a mysql_query().If binary data is to be inserted, this function must be used. : php, mysql. All Rights Reserved. How do I get a YouTube video thumbnail from the YouTube API? If the data is in the cache then you do not need to query the database. However, it can create serious security flaws when it is not used correctly. You should do this: The problem is that the latter bypasses the mysql_ API, which still thinks you're talking to the database using latin1 (or something else). Mark$\u POSTmysql\u real\u escape\u How does legislative oversight work in Switzerland when there is technically no "opposition" in parliament? Designed by Colorlib. Does anyone know where I could get the function implementation or some other function that does the same thing so I could include that on my php pages? This is used just by myself, so I usually write my queries like. How can I make SQL case sensitive string comparison on MySQL? mysql_real_escape_string () and prepared statements need a connection to the database so that they can escape the string using the appropriate character set - otherwise SQL injection attacks are still possible using multi-byte characters. This function is used to create a legal SQL string that can be used in an SQL statement. The real_escape_string () / mysqli_real_escape_string () function escapes special characters in a string for use in an SQL query, taking into account the current character set of the connection. Here is the first part of my query function: Thanks for contributing an answer to Stack Overflow! How do I replace all occurrences of a string in JavaScript? You should never ever execute code entered by the user, be it Javascript or PHP. : mysql_real_escape_string makes sure that the $value in the above context does not mess up the SQL syntax. The difference is that mysql_escape_string just treats the string as raw bytes, and adds escaping where it believes it's appropriate. How do you parse and process HTML/XML in PHP? I just read on php.net that mysql_real_escape_string is invalid after php 5.5 and to use MySQLi or PDO_MySQL. Why is apparent power not measured in Watts? Preventing PHP from execution is even easier; just do not use the method eval. This function is used to create a legal SQL string that can be used in an SQL statement. If you must change the character set of the connection, use the mysql_set_character_set () function rather than executing a SET NAMES (or SET CHARACTER SET . PHP Version. What is the JavaScript version of sleep()? The reason being that I need to use this function more than I actually need to connect to the database. Reference What does this symbol mean in PHP? This function will escape the unescaped_string, so that it is safe to place it in a mysql_query().This function is deprecated. MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server are just a few of the databases it supports.. PHP began as a tiny open source project that grew in popularity as more people realized how beneficial . You should never ever execute code entered by the user, be it Javascript or PHP. WordPress Development Stack Exchange is a question and answer site for WordPress developers and administrators. Why is the eastern United States green if the wind moves from west to east? mysql_real_escape_string() calls MySQL's library function mysql_real_escape_string, which prepends backslashes to the following characters: \x00, \n, \r, \, ', " and \x1a. strip_tags removes html tags. Connect and share knowledge within a single location that is structured and easy to search. mysql_real_escape_string mysql_escape_string 2 mysql_real_escape_string PHP 4 = 4.3.0, PHP 5 mysql_escape_string ? Anyways, you are required to use a MySQL instance unless you write your own function. Please contact us if you have any trouble resetting your password. Note that $wpdb->esc_like() does not return prepared input, it only escapes the special characters used in a LIKE. It depends on your needs. . The reason being that I need to use this function more than I actually need to connect to the database. When would I give a checkpoint to my D&D party that they can return to if they die? How many transistors at minimum do you need to build a general-purpose computer? as noone posted it yet, here is rough example. I need to create a PHP function that does the same thing as mysql_real_escape_string. Sander Marechal[Lone Wolves][Hearts for GNOME][E-mail][Forum FAQ], I need to create a PHP function that does the same thing as mysql_real_escape_string. Alternative to mysql_real_escape_string without connecting to DB. Example. you can use substitutions, like this Assume we have the following code: Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, var functionName = function() {} vs function functionName() {}, How to insert an item into an array at a specific index (JavaScript). Again though, the main problem is that it is terrifyingly easy to apply it incorrectly, which opens up vulnerabilities. Backspace and horizontal tab are not supported by mysql_real_escape_string. . It's terrible idea to connect every time you're calling this function. Where does the idea of selling dragon parts come from? Ah. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. [RESOLVED] alternative to mysql_real_escape_string? 3. Find centralized, trusted content and collaborate around the technologies you use most. For that I would recommend Html Purifier. Can a prospective pilot be negated their certification because of too big/small hands? In other words, it will change the string, not escape it. The echo() example really made things clear. @AresDraguna I did contact Larry Page, who apparently is a very good friend of mine. However, that's completely unrelated to stripping Javascript or PHP code from a string - also; it could be relatively hard to identify 'Javascript . As for Javascript, disallowing HTML tags in your output is enough. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? Does a 120cc engine burn 120cc of fuel a minute? Is it cheating if the proctor gives a student the answer key by mistake and the student doesn't report it? To learn more, see our tips on writing great answers. The function is deprecated; use mysql_real_escape_string() instead. I am getting mysql_real_escape_string() function error while adding user? Is there an alternative to mysql_real_escape_string for PHP. Preventing PHP from execution is even easier; just do not use the method eval. When using mysql_real_escape_string now, it will assume the wrong character encoding and escape strings differently than the database will interpret them later. For those data types you should validate the data you are receiving is of that type/format you are expecting. An alternative to mysql_real_escape_string is using prepared statements, for example with PDO or MySQLi. Ready to optimize your JavaScript with Rust? The danger doesn't reside in saving the data, the danger resides in displaying the data. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? Look into functions as strip_tags, or even better, htmlspecialchars. in the similar function I am adding quotes to %s wildcards, just as a foolproof, to be sure that no %s in the query left unquoted. I didn't mean to sound picky about your code. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. Ready to optimize your JavaScript with Rust? The has to know what char set the MySQL connection uses. This basically explains why. strip_tags strips all tags (HTML and PHP), which leaves you with a malformed string. Why is Singapore considered to be a dictatorial regime and a multi-party democracy at the same time? If you do not query the batabase, you do not need to escape variables. Why is this usage of "I've to work" so awkward? Books that explain fundamental chess concepts. @Allen yes, prepare escape the values using mysqli_real_escape_string (PHP 5.5 compatible) or mysqli_real_escape_string according to your current version of PHP. Name of a play about the morality of prostitution (kind of). How many transistors at minimum do you need to build a general-purpose computer? Connect and share knowledge within a single location that is structured and easy to search. I am passing a variable to a function that executes a query, The MySQL connection only occurs inside the function, and closes inside the function, I want to be able to safely escape strings BEFORE I send them to the function, I can't use mysql_real_escape_string because it requires a MySQL connection (which is only being made inside the function), I know the simple answer would be to escape strings inside the function, but I cannot do this because I need to send some escaped, and some non-escaped parts of a string. mysql_real_escape_string is not meant as a way to sanitize user input (e.g html, javascript) which would make your site open to XSS attacks. Well, mysql_real_escape_string doesn't protect against sql injections more than addslashes, but that's not the reason you use it. As for Javascript, disallowing HTML tags in your output is enough. Making statements based on opinion; back them up with references or personal experience. A good planned application wouldn't have such odd limitation. mysql_real_escape_string requires a connection because its output depends on the connection character set. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. Always use $wpdb methods, in your case you should use prepare(): Moreover, once you are getting a single column, you have easier life using get_col instead of get_results: While the prepare() answer given is partially correct, if you do need a way to escape a string for an SQL statement manually, use esc_sql(). Is it possible to hide or delete the new Toolbar in 13.1? 3. Is it cheating if the proctor gives a student the answer key by mistake and the student doesn't report it? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 16 thoughts on " How to escape strings in SQL Server using PHP? Please update any bookmarks . mysql_real_escape_string() calls MySQL's library function mysql_real_escape_string, which prepends backslashes to the following characters: \x00, \n, \r, \, ', " and \x1a. #1. The use case of mysql_real_escape_string is very narrow, but is seldom correctly understood. did anything serious ever run on the speccy? I found the following code, suggesting that I could use it as an alternative to mysql_real_escape_string: I do not know if this function is safe from multibyte attacks, but I think I also need to undo the function every time I query, For example, inputting: mysql_real_escape_string() and prepared statements need a connection to the database so that they can escape the string using the appropriate character set - otherwise SQL injection attacks are still possible using multi-byte characters. I have a WordPress plugin that at one point I need to see if a certain title exists in the database. Is mysql_real_escape_string is really safe to use? mysqli escape-. Did neanderthals need vitamin C from the diet? rev2022.12.9.43105. Hi everyone, I just wanted to share a script that I use in my server-side enabled datatables. I've always assumed that single and double quoted strings worked the same now I know different. , OOP mysqli_real_escape_string. How is the merkle root verified if the mempools may be different? The mysqli_real_escape_string() returns a legal string which can be used with SQL queries. However, that's completely unrelated to stripping Javascript or PHP code from a string - also; it could be relatively hard to identify 'Javascript' or 'PHP'. It is impossible to safely escape a string without a DB connection. I always appreciate smaller more readable code since that's what keeps my boat from sinking. An alternative for mysql_error() would also be useful. Why is apparent power not measured in Watts? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Escapes special characters in the unescaped_string, taking into account the current character set of the connection so that it is safe to place it in a mysql_query().If binary data is to be inserted, this function must be used. Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? php.notes While I know it is a good idea to always escape these characters, this login method seems to prevent injection attacks by not including the password in the sql query. Why shouldn't I use mysql_* functions in PHP? " user November 30, -0001 at 12:00 am. What is thread safe or non-thread safe in PHP? This function will escape the unescaped_string, so that it is safe to place it in a mysql_query().This function is deprecated. mysql_real_escape_string is used to avoid SQL injection attacks - where by people try to execute SQL commands against your database. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, That makes sense, connecting once for each pageload is better than connecting for each query - I can just do a db connect before the function runs, I was doing a connect inside thinking it was better to open and close connections for each query. This function was first introduced in PHP Version 5 and works works in all the later versions. addslashes() was from the developers of PHP whereas mysql_real . Should I give a brutally honest feedback on course evaluations? It is a tweaked copy of the one used in the examples here. Disconnect vertical tab connector from PCB, Sudo update-grub does not work (single boot Ubuntu 22.04). html_special_chars enables you to display user-entered data, without the risk of Javascript being executed. This can be used for injection attacks in certain multibyte string situations. You don't need to run the hash on the query, you can just run it on the supplied parameters. If you are able to sync character sets manually (or if you never change it), you may write your own implementation. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not sure if it was just me or something she sent to the whole team. For the specific case of escaping a string to be placed inside a like statement, then it should more correctly be written like this: The $wpdb->esc_like() is necessary so as to properly escape any percent signs, underscores, or backslashes that may be in the phrase being searched for. QGIS expression not working in categorized symbology. Assume we have the following code: If you don't, multi-byte SQL injections may be possible, depending on your code. Can virent/viret mean "green" in an adjectival sense? This is why you need a connection for mysql_real_escape_string; it's necessary in order to know how the string should be treated. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. When working with database in WordPress you should never use the low lever mysql_* or mysqli_* functions. php escape mysql string; php mysql_escape_string vs mysql_real_escape_string; php escape value for SQL; mysql_real_escape_string for mysqli; php 6 mysqli_real_escape_string; mysql_real_escape_string work in php; mysql_real_escape_string use in php; mysql_real_escape_string in php 7.4; which characters mysqli_real_escape_string escape WordPress is a trademark of the WordPress Foundation, registered in the US and other countries. How to Best Configure PHP to Handle a Utf-8 Website, How to Insert an Item At the Beginning of an Array in PHP, How to Group a Multidimensional Array by a Particular Subarray Value, Remove All Elements from Array That Do Not Start With a Certain String, How to Get Enum Possible Values in a MySQL Database, Laravel Update Model With Unique Validation Rule For Attribute, How to Store File Name in Database, With Other Info While Uploading Image to Server Using PHP, How to Best Store User Information and User Login and Password, Passing Multiple Variables to Another Page in Url, Smtp Connect() Failed. mysql_real_escape_string is supposed to be used in exactly one case: escaping text content that is used as a value in an SQL statement between quotes. By running the SET NAMES query, you have created a rift between how the mysql_ client API is treating strings and how the database will interpret these strings. Anything that removes or changes the string will not be an alternative to mysql_real_escape_string. To learn more, see our tips on writing great answers. Debian/Ubuntu - Is there a man page listing all the version codenames/numbers? The main shortcoming of mysql_real_escape_string, or of the mysql_ extension in general, is that it is harder to apply correctly than other, more modern APIs, especially prepared statements. [smile]. Following example demonstrates the usage of the mysqli_real_escape_string() function (in procedural style) PHP provides mysql_real_escape_string () to escape special characters in a string before sending a query to MySQL. These functions represent alternatives to mysqli::real_escape_string, as long as your DB connection and Multibyte extension are using the same character set (UTF-8), they will produce the same results by escaping the same characters as mysqli::real_escape_string. If you are only testing, then you may as well use mysql_escape_string(), it's not 100% guaranteed against SQL injection attacks, but it's impossible to build anything safer without a DB connection. This is based on research I did for my SQL Query Builder class: Reference What does this symbol mean in PHP? It does not work as you may think here: If applied to values which are used in any context other than a quoted string in an SQL statement, it is misapplied and may or may not mess up the resulting syntax and/or allow somebody to submit values which may enable SQL injection attacks. Where does the idea of selling dragon parts come from? mysql_real_escape_string() calls MySQL's library function mysql_real_escape_string, which prepends backslashes to the following characters: \x00, \n, \r, \, ', " and \x1a.
According to the PHP Manual Page, mysql_real_escape_string escapes the following characters: \\x00, \\n, \\r, \\, We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. as noone posted it yet, here is rough example. @X10nD tell me how come you have 4k rep and still don't know how to ask questions on SO? Is there a verb meaning depthify (getting more depth)? How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? Is the EU Border Guard Agency able to tell Russian passports issued in Ukraine or Georgia from the legitimate ones? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Alternative to mysql_real_escape_string. The danger doesn't reside in saving the data, the danger resides in displaying the data. It's either htmlspecialchars() or strip_tags(). As long as you're using single-byte encoding or utf-8, no need to use mysql_real_escape_string, so. It only takes a minute to sign up. I want to remove any javascript or php code entered into the text box. As long as you're using single-byte encoding or utf-8, no need to use mysql_real_escape_string, so. Not the answer you're looking for? SQL injection that gets around mysql_real_escape_string(). I'm still a little . I didn't downvote this, but I agree with them. - .ini . Is there any reason on passenger airliners not to have a physical lock between throttles? Sie befinden sich: Home > Php Tutorial > Tags: mysqli_real_escape_string Auf dieser Seite finden Sie Tutorial(s), die sich mit den Thema: mysqli_real_escape_string beschftigen. Definition and Usage. Did the apostolic or early church fathers acknowledge Papal infallibility? One thing I cant seem to find is if PDO has a method similar to mysql_real_escape_string. Testing 3's "OK" is turned into Testing 3x27s x22OKx22 in the database. For this reason I can't do a blanket mysql_real_escape_string on arguments inside of myquery function. It's used to manage dynamic content, databases, and session monitoring, as well as to create full e-commerce websites. you can use this function if you mysteriously want to escape values without a database connection : you can use substitutions, like thismyquery("SELECT * FROM table WHERE id = %s","My string"); You can use another way of substitutions, a modern one: prepared statements. . This site is not affiliated with the WordPress Foundation in any way. It is impossible to safely escape a string without a DB connection. So which is better htmlspecialchars or strip_tags? Are there conservative socialists in the US? "mysql_real_escape_string alternative php" Code Answer. Better way to check if an element only exists in one array. That's not what mysql_real_escape_string does or did (the functions are now deprecated). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The real_escape_string () / mysqli_real_escape_string () function escapes special characters in a string for use in an SQL query, taking into account the current character set of the connection. Trophy Points: 60. The real question here is; why do you wanna strip it? I need to create a PHP function that does the same thing as mysql_real_escape_string. Ergo: You only need mysql_real_escape_string() because *if* you escape something, you have a database connection. However, this won't handle the escape issue I mentioned, will it? Is this an at-all realistic configuration for a DHC-2 Beaver? Another way to get yourself into hot water using mysql_real_escape_string is when you set the database connection encoding using the wrong method. mysql\u real\u escape\u string MySQL. why would it be redundant since each have different properties. , , . However, that's completely unrelated to stripping Javascript or PHP code from a string - also; it could be relatively hard to identify 'Javascript' or 'PHP'. function.php This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. How does the Chameleon's Arcane/Divine focus interact with magic item crafting? To review, open the file in an editor that reveals hidden Unicode characters. Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? Definition and Usage. That's not what mysql_real_escape_string does or did (the functions are now deprecated ). mysql_real_escape_string is a function that ensures that your string is correctly escaped for entering into the database. The return value is the length of the encoded string, not including the terminating null byte. Can someone tell me, why the downvotes? If you want to change the string you are storing, you can run it through strip_tags, or preg_replace. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? For 2 years, this code worked fine: However, with php 5.5. and WP 3.9.1, this causes an error because the function mysql_real_escape_string is deprecated. How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? If you are only testing, then you may . It's terrible idea to connect every time you're calling this function. However if you are using mysqli, then do not use mysqli_real_escape_string instead use prepared statements. makes sense. The combination is redundant. Thanks for contributing an answer to WordPress Development Stack Exchange! This page has moved or been replaced. mysql_escape_string() does not take a connection argument and does not respect the . Safe alternative to mysql_real_escape_string? OK. Just started looking into PDO and converting my old mysql_connects to PDO. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Parameterizing the query is much, much harder to mess up, so it's less likely that you can get compromised by a MySQL bug. Asking for help, clarification, or responding to other answers.