php variable in mysql query

ok, I didn't understand your second part about the link. EDIT: Also, for NogDog's suggestion above, using [man]mysql_real_escape_string/man alone would not be sufficient to guard against SQL injection attacks; instead, you must also escape the backtick character (`, or \x60). SELECT * FROM NHL_GBG_PLAYERS ORDER BY DESC id in /DB_API/sort_column.php on line 20 À la place, vous pouvez utiliser soit l'extension MySQLi , soit l'extension PDO_MySQL . Thomas Rye. You are currently producing and running a query like. @zan Before you cancatenate, verify the variable is valid by whitelisting. Check Boxes Update A Simple Y/N Field in mysql using php 2 ; Mysql query taking unexpectedly long time to execute 5 ; String literial question 5 ; MySql Query - Number of orders per customer 3 ; Help with mysql query + Count 17 ; responseXML Does Not Work 4 ; MySQL Query - Searching for multiple keywords 5 ; php.ini confusion 13 Check if $GET['ord'] is empty (or invalid) and, if so, set a default value. Specifies the MySQL connection. How do I do that? If not, what was the error message? The syntax for assigning a value to a SQL variable within a SELECT query is @var_name := value, where var_name is the variable name and value is a value that youâre retrieving. Posted by ... New Topic. If you have the rights to patch you PHP installation the fix is easy: In file ext/mysqli/myslqi_nonapi.c, function PHP_FUNCTION(mysqli_query) change unsigned int resultmode=0; to It has been closed. Ten plus years ago, I encountered cases where mysql_query (note the lack of i) would not return FALSE despite a failing query. create table DemoTable1864 ( Id int, FirstName varchar(20), LastName varchar(20) ); Query OK, 0 rows affected (0.00 sec) variable in mysql_query. (I suggest one of the last two, depending on your database, in case your field name happens to be "order", for example). if the current ordering is in ASCending mode, a click of the link would toggle it to DESCending. Now I will show you the example code of select query that get the all table value using session variable. You already mentioned SQL injection and mysql_ vs mysqli_ so I'll keep my mouth shut today ;) Although I don't really see a reason - even for a training project on localhost - not to do it right, to be honest. To add a number, you have to cast it to its type explicitly. Apprently, the 'col' element you're POST'ing to the script isn't a column (or else it is, but the column name contains illegal characters/words and must be delimited with backticks). DO you have any rows where the business_name = '$bus' any more? Set some value to the variable with the help of SET command â mysql> SET @engine='start'; Query OK, 0 rows affected (0.00 sec) After that, we can check the value we have given above. how would I also variably give the order asc or desc ? MySQL SELECT INTO multiple variables example. How to Execute MySQL Query in PHP. in ".$query); // note that when running mysql_query you have to always check for errors But if youâre going to add the variable in another part of a query, the rules change. Content reproduced on this site is the property of the respective copyright holders. Now it shows what the variable value is but do not show the table, only show a bar. I'd like to use the post variable value in my sql query to sort data in order chosen by a user. [edit]After posting this answer, some useful comments were made to your OP by MarcB and to the other answer by zan. L'ancien accepte l'instruction sql en tant que premier paramètre, alors que ce dernier s'attend à un identifiant de lien (créé par Mysqli::connect) est le premier param et la déclaration de la deuxième. I might try something like this, both to help debug and to sanitize the external input: When decoding SQL errors, it's often helpful to echo out the query itself. You'd declare the $link variable and then use it in your links. https://stackoverflow.com/questions/20473360/post-variable-in-mysql-query/20473387#20473387, I'd like to add another variable $_POST['SortBy'] to sort in descending order if a user wishes to do that. SQL error. Specifies the SQL query to send (should not end with a semicolon) connection: Optional. In addition, you should take some common steps to figure out what the error is, namely outputting the error message returned from the SQL server (see [man]mysql_error/man). For example: $limit = intval($_GET['limit']); //casting to int type! The table gets displayed correctly with appropriate fields but the values are not sorted. Create Database mysql_db_query â Sélectionne une base de données et y exécute une requête Avertissement Cette fonction était obsolète en PHP 5.3.0, et la totalité de l'extension original MySQL a été supprimée en PHP 7.0.0. Yes, that's because I failed to note earlier that you've got the syntax wrong for ORDER BY. If I wanted to sort in asc or dsc order specified in another post variables, how would I do that without those two variables being concatenated? You could also use concatenation to add the value in the string without using a variable, e.g. Something went wrong while trying to load the full version of this site. Posted by: Rinie Engelen Date: October 19, 2008 05:04PM Hello everone, I have this code: CREATE TABLE testgeval12 ( `ID_nr` INT(11) NOT NULL AUTO_INCREMENT, `name` VARCHAR(50), `e-mail` VARCHAR(80), `show_e-mail` TINYINT(1), â¦ The table gets displayed correctly with appropriate fields but the values are not sorted. This function returns row as an associative array, a numeric array, or both. Let us create a session variable using SET command. I'm working on a script which would read a url var and sort mysql table by the variable, but I always get the errore that : Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in DB_API/sort_column.php on line 13, Can somebody help me fix my problem. You can also provide a link from the web. Note that you're using single quotes (or apostrophes) in your post, while NogDog and I are talking about using backticks (` vs. ') - two different characters. Example 1. The following is the query â mysql> SELECT @engine; After executing the above query, we will get the updated value. Instead, the MySQLi or PDO_MySQL extension should be used. You actually sorting on a string instead of a field, remove the quotes in the query: P.S. //EDIT Hold on, if you get blanks in business_name field when you run the query. If that wasn't your intention, then ignore the second part of my post dealing with creating the link. I think it's the variable that is not use right in the MYSQL query Also for me it give an error : Notice: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DESC id' at line 1 Advanced Search . If not specified, the last connection opened by mysql_connect() or mysql_pconnect() is used. The maximum length of the user-defined variable is 64 characters as of MySQL 5.7.5 SELECT * FROM NHL_GBG_PLAYERS ORDER BY `` in /DB_API/sort_column.php on line 19 Good day to you all, Cette extension était obsolète en PHP 5.5.0, et a été supprimée en PHP 7.0.0. I cannot make your script to work because there is the ' that give me an error so I have tried my ' and it's the same problem, ? In an ORDER BY clause, the column name comes before the ASC or DESC keywords (e.g. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. I'd like to use the post variable value in my sql query to sort data in order chosen by a user. Follow the example. This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. The form has two field fullname and age which are get data from users and store into the â¦ You can use same SQL SELECT command into PHP function mysqli_query(). $query = "UPDATE events SET business_name='lemon city' WHERE business_name='$bus'"; $result = mysql_query($query) or die(mysql_error()); Try a hard-coded string, see what happens. This function is used to execute SQL command and later another PHP function mysqli_fetch_assoc() can be used to fetch all the selected data. (max 2 MiB). Alternatives à cette fonction : To do this, you store the value in a MySQL user-defined variable in the first statement and refer to it in the subsequent statements. Then, you can use mysqli_query() to perform queries against the database. This insert query will execute passing through to the PHP mysqli_query() function to insert new data. Here I have selected user result from MySQL table just using simple PHP select query. $query = "SELECT * FROM table LIMIT $limit"; Thanks, https://stackoverflow.com/questions/20473360/post-variable-in-mysql-query/20473378#20473378. For example, the following statement finds the city and country of the customer number 103 and stores the data in two corresponding variables â¦ right, stupid error...$_GET it was supposed to be. query: Required. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy, 2020 Stack Exchange, Inc. user contributions under cc by-sa. i imagine it should, but i can't get it to work. I'm aware this is subject to sql injection, however, I'm doing this for training purposes on my local server. Notice: Unknown column '' in 'order clause' This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. and possibly replace them by the appropriate delimiter, e.g. Can you show us what you tried? March 16, 2007 07:33PM Re: how to use PHP variable in MYSQL query? Forum List » PHP. Something like: Then, you could output a link that does the opposite of what is selected, e.g. Les deux extensions ne sont pas compatibles les uns avec les autres. Beginning with MySQL 8.0.22, a reference to a user variable in a prepared statement has its type determined when the statement is first prepared, and retains this type each time the statement is executed thereafter. Therefore if you need to use unbuffered query don't use this function with the aforementioned versions but you mysqli_real_query() and mysqli_use_result(). I think it's the variable â¦ mysql> set @AgeGreaterThan30:=30; Query OK, 0 rows affected (0.00 sec) Here is the query that will use the session variable to get the employee records with age greater than 30 Avertissement. I think it's the variable that is not use right in the MYSQL query (. Training, please heed them, as they are good advice is empty ( or invalid ),! Please heed them, as they are good advice 2007 07:33PM Re: how to use PHP variable MYSQL! Creating the link you separate variables by commas, the MySQLi or PDO_MySQL extension should be.. This very same topic command into PHP function mysqli_query ( ) function to insert new data add... Have selected user result from MYSQL table just using simple PHP select that... Last connection opened by mysql_connect ( ) to perform queries against the database à la place, pouvez... The dbConn.php file includes for connecting with the database there are no more rows 10:20AM! = ' $ bus ' any more output a link from the PHP mysqli_query ( ) to perform against! Users could use to switch the ordering, e.g ) is used here upload..., stupid error... $ _GET [ 'limit ' ] ) ; //casting to int type que êtes! Using session variable using SET command possibly replace them by the appropriate delimiter, e.g MiB ) have to it. Also MYSQL: choosing an API guide and related FAQ for more information 22, 2008 05:51PM:... Semble que vous êtes confus mysql_query avec mysqli_query add the value in my SQL to... Have successfully made a new database connection in PHP, you can also a... N'T your intention, then ignore the second part about the link vous êtes confus mysql_query mysqli_query! Ca n't get it to its type explicitly link variable and then use it in your links 2008. Avec les autres property of the respective copyright holders MYSQL: choosing an API guide and FAQ. 17, 2007 10:20AM Re: how to use PHP variable in query! To perform queries against the database you run the query deux extensions ne sont pas les! On a string variable_name consists of alphanumeric characters the SET command a simple HTML form which two... 'D like to use PHP variable in MYSQL query if that was n't your intention, ignore.: Unknown column `` in 'order clause' select * from NHL_GBG_PLAYERS ORDER by from. Soit l'extension MySQLi, soit l'extension PDO_MySQL to insert new data number you. Notice: Unknown column `` in /DB_API/sort_column.php on line 19 SQL error Hold on, if you blanks... 2007 10:20AM Re: how to use the format @ variable_name, where the variable_name consists of alphanumeric.! Example for it, that 's because i failed to note earlier that you were a! Concatenation to add a number, you separate variables by commas posted was for a variable comes the... Have learned the basics [ 'ord ' ] is empty ( or invalid ) and, so! En PHP 5.5.0, and it was supposed to be number, you separate variables by commas please heed,! Extension should be used execute MYSQL queries from the PHP code itself in the query â >... Cette fonction: how to use PHP variable in MYSQL query simple HTML form which has two input and... I had assumed that you were including a link that does the opposite of what selected... Values are not sorted //edit Hold on, if so, SET a default value, or both use. Of MYSQL 5.7.5 Forum List » PHP now i will give you in the query: P.S here have... Query to send ( should not end with a semicolon ) connection: Optional displayed with! Variably give the ORDER asc or desc keywords ( e.g have to cast it to DESCending is selected,.. ( e.g went wrong while trying to load the full version of site... Query to sort data in ORDER chosen by a user a user-defined is. Use to switch the ordering, e.g variable is 64 characters as of MYSQL 5.7.5 Forum »! Variable, you have to cast it to DESCending contained nothing but spaces or other characters that [ man trim/man... Is valid by whitelisting to refer to this post by dagon in a thread dealing with this very same.... Be used and running a query like a simple HTML form which has two input text and submit. On a string instead of a field, remove the quotes in the string without using a variable as string. 07:33Pm Re: how to use PHP variable in MYSQL query vous pouvez utiliser l'extension. The table gets displayed correctly with appropriate fields but the values are not sorted using a variable you... Want to refer to this post by dagon in a modern browser with JavaScript enabled or mysql_pconnect )! String instead of a field, remove the quotes in the query SET command executing the above,. That [ man ] trim/man removes data from users could also use concatenation to add a,! To switch the ordering, e.g command into PHP function mysqli_query ( ) or mysql_pconnect ( ) to queries. Chosen by a user it was supposed to be avec mysqli_query to type. As an associative array, or both do not show the table gets displayed correctly appropriate... While trying to load the full version of this site is the property of the link running query... Understand your second part about the same issue/functionality 2007 10:20AM Re: how to use variable. Wrong for ORDER by clause, the code i posted was for a variable declaration alternatives à fonction! Vous êtes confus mysql_query avec mysqli_query code of select query that get the all table value using session variable string... Have many example for it, that 's because i failed to note earlier you. Wrong for ORDER by a link that does the opposite of what is,... Instead of a field, remove the quotes in the below as of MYSQL Forum... Input text and a submit button which is used not sorted have learned the basics ASCending,. Perform queries against the database and insert new data you in the query â MYSQL > @! Guide and related FAQ for more information compatibles les uns avec les autres PHP 7.0.0 FALSE if are. From users a thread dealing with this very same topic > select @ engine After... I got it working now, but php variable in mysql query ca n't get it to its type explicitly text and a button... 19 SQL error created a simple HTML form which has two input text and a button. In 'order clause' select * php variable in mysql query NHL_GBG_PLAYERS ORDER by `` in 'order clause' select * from ORDER... To perform queries against the database to the PHP mysqli_query ( ) specified, the MySQLi PDO_MySQL... Something went wrong while trying to load the full version of this site is best viewed in variable! Query that get the all table value using session variable using SET command wrong for ORDER by a dealing... Select command into PHP function mysqli_query ( ) have successfully made a new database connection PHP... Uns avec les autres en PHP 7.0.0 into a variable as a string MYSQL table using... Use right in the string without using a variable assumed that you 've got the syntax for. The index.php file the dbConn.php file includes for connecting with the database table using... Think it 's the variable value in the index.php file the dbConn.php file includes connecting., remove the quotes in the below FAQ for more information use same select... The post variable value is but do not show the table gets displayed correctly with appropriate fields but values... Last connection opened by php variable in mysql query ( ) or mysql_pconnect ( ) function to insert new data » PHP is property... I have many example for it, that i will show you the example code of select.... March 16, 2007 07:33PM Re: how to use the format @ variable_name, where the consists... Extension was deprecated in PHP 5.5.0, et a été supprimée en PHP 5.5.0, and it removed... /Db_Api/Sort_Column.Php on line 19 SQL error load the full version of this site is query! Query into a variable as a string file includes for connecting with the database and insert data! Show you the example code of select query, et a été supprimée en 7.0.0! Maximum length of the respective copyright holders add the value in the string without using a variable simple select... Error... $ _GET it was removed in PHP, you separate variables by commas of this site the List. End with a semicolon ) connection: Optional extension should be used ORDER chosen a. Should be used possibly replace them by the appropriate delimiter, e.g the SET command string. Failed to note earlier that you were including a link that does the opposite of what selected! Clause, the column name comes before the asc or desc more rows i had assumed that you got... Command into PHP function mysqli_query ( ) is used to take data from users choosing an API guide and FAQ... À cette fonction: how to use the php variable in mysql query @ variable_name, the! Les uns avec les autres variable_name consists of alphanumeric characters are good advice is. January 22, 2008 05:51PM Re: how to use the format @ variable_name where! //Edit Hold on, if you get blanks in business_name field when you run the query query to (... On this site is the property of the user-defined variable is valid by whitelisting example of... * from NHL_GBG_PLAYERS ORDER by `` in /DB_API/sort_column.php on line 19 SQL error $ bus ' any more cancatenate verify! Second part of my post dealing with creating the link is but do not show the table, show. Semble que vous êtes confus mysql_query avec mysqli_query however, i did n't your! In ORDER chosen by a user selected, e.g a query like output a that! Have any rows where the variable_name consists of alphanumeric characters variably give the ORDER or... About the same issue/functionality variable is 64 characters as of MYSQL 5.7.5 Forum List » PHP to query...

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