mysqli_num_rows returns 0

Description. hi everyone. Welcome to Intellipaat Community. I just get 0 … Q&A for Work. get() results go through query(), which means that query() isn't the problem. However, it always says Data does not exist in which it finds the condition false. Description. PHP - Function MySQLi Num Rows - It returns the number of rows in a result set I tried using this function directly, and with explicit type cast -- (unsigned long) mysql_num_rows(res) unsigned long no_rows = mysql_num_rows ( tbl_content ); But no matter what I do, it's always 0. Link to post Share on other sites . Thanks anyway for your suggestion. Get your technical queries answered by top developers ! link. The use of mysqli_num_rows() depends on whether you use buffered or unbuffered result sets. @NuttySkunk First check if it is available on your SERVER - I made this mistake when recently changing hosts @Michael Morris Yes I agree that PDO is a better option if it is available on the SERVER; The MySQL Table int|false mysql_num_rows (resource result); Retrieves the number of rows from a result set. It looks like a bug. See why there are 20,000+ Ektron integrations worldwide. This command is only valid for statements like SELECT or SHOW that return an actual result set. Returns the number of rows in the result set. Basically I had the code written down in mysql format and decided to change my code too mysqli. The behaviour of mysqli_num_rows() depends on whether buffered or unbuffered result sets are being used. Request an INSTANT DEMO or download a FREE TRIAL today. Hence, I have this code. If mysqli_num_rows returns 0, it means no rows have been selected. i have an auto incremented record , nameId, being inserted. The use of mysqli_num_rows() depends on whether you use buffered or unbuffered result sets. Mysqli num_rows prepared statement php. Everything that you get from the CI_DB_result object is directly returned by PHP's mysqli extension. (A forward cursor is the default.) The mysqli_num_rows() function is an inbuilt function in PHP which is used to return the number of rows present in the result set. How was the mass of Venus determined? mysqli_insert_id always returns 0 . ult. Just switch mysql.trace_mode … These are the top rated real world PHP examples of mysqli_fetch_row extracted from open source projects. Mysqli Prepared Stmt returns 0 num_rows. Do modern ovens bake the same as the old ones? Our community of experts have been thoroughly vetted for their expertise and industry experience. mysqli_affected_rows() returns the number of rows affected by the last INSERT, UPDATE, or DELETE query associated with the provided link parameter. Mark Baker. For SELECT statements mysqli_affected_rows() works like mysqli_num_rows(). mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in C:xampphtdocsatmmanagerindex.php... 0 Im using the following to login it works perfectly but in mamager login its giving following error I'm sure I'm doing something stupidly wrong. Syntax mysqli_num_rows(result); This always returns 0, and I doubt this's a type cast problem. Mysqli prepared statement stmt_num_rows returns 0 For some reason stmt_num_rows always ends up being 0. If you issue "SELECT FOUND_ROWS()" just in sequence, in the same connection resource, it allways returns 0 rather than expected 5. In case you use unbuffered resultsets mysqli_num_rows() will not correct the correct number of rows until all the rows in the result have been retrieved. No, the selected rows are printed so that's not the problem. Object oriented style int mysqli_result->num_rows ; Procedural style int mysqli_num_rows (mysqli_result result); Returns the number of rows in the result set. Is the new oven the reason popovers don't rise? Add an else statement with output and see if it displays. Prolific Member; Members; 0 1,592 posts; Location: Wigan, NW England Share; Posted August 17, 2009. mysql_num_rows tells you the number of rows returned, not whether … You can rate examples to help us improve the quality of examples. sqlsrv_num_rows requires a client-side, static, or keyset cursor, and will return false if you use a forward cursor or a dynamic cursor. could there be a server setting that is causing this? In case you use unbuffered resultsets mysqli_num_rows() will not return the correct number of rows until all the rows in the result have been retrieved. Experts with Gold status have received one of our highest-level Expert Awards, which recognize experts for their valuable contributions. These are the top rated real world PHP examples of mysqli_num_rows extracted from open source projects. Are you sure it's not returning anything? PHP mysqli_num_rows - 30 examples found. These are the top rated real world PHP examples of mysqli_result extracted from open source projects. Alternatives to this function include: mysqli_num_rows: mysqli_stmt_num_rows: PDOStatement::rowCount : Description. Teams. ... On "INSERT INTO ON DUPLICATE KEY UPDATE" queries, though one may expect affected_rows to return only 0 or 1 per row on successful queries, it may in fact return 2. As of PHP 5.5, the MySQL functions are deprecated and are removed in PHP 7. The recommendation is to switch to MySQLi functions, which conveniently offer both a procedural (my preference) and an object-oriented structure. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Hi, I`ve started doing PHP and MYSQL for a few months now and I am working on a project for a friend. Returns the number of rows in the result set. could there be a server setting that is causing this? You can … I wrote a function which is supposed to return the number of rows found in a SELECT query but it always either seems to return 0 or an array. PHP mysqli_result - 30 examples found. In fact, nothing but the query generation is directly influenced by CI bar connection settings. Parameters. Hot Network Questions Everyone has a book in them, but in most cases that’s where it should stay. Add powerful Web 2.0 tools like blogs, wikis, forums, geo-mapping, rating systems and RSS feeds easily. You can rate examples to help us improve the quality of examples. Object oriented style int mysqli_result->num_rows ; Procedural style int mysqli_num_rows (mysqli_result result); Returns the number of rows in the result set. For unbuffered result sets, mysqli_num_rows() will not return the correct number of rows until all the rows in the result have been retrieved. And the only possible difference between the two is the query being executed. No matter if I execute the query with the correct email and word or the wrong one. Averaging over a hundred or so tests with a result set of 180,000 records, and using mysqli_fetch_*() functions vs. their mysqli_result::fetch_*() counterpart object methods to read and iterate over all records, all of the mysqli_fetch_*() functions win by ~0.1 seconds less. Description mixed mysqli_affected_rows ( object link). Mark Baker 0 Posted August 17, 2009. If the last query was invalid, this function will return -1. The behaviour of mysqli_num_rows depends on whether buffered or unbuffered result sets are being used. This code is licensed under Creative Commons 0 (Public Domain). The PHP MySQLi "mysqli_num_rows" function gets the number of rows in a result and this function returns the number of rows in the result set. The use of mysqli_stmt_num_rows() depends on whether or not you used mysqli_stmt_store_result() to buffer the entire result set in the statement handle. Returns the number of rows in the result set. Does that apply to me? Returns the number of rows in the result set. When mysql.trace_mode = On, SELECT FOUND_ROWS() allway returns 0. Where as in reality, the query returns 5 records, and I get it via mysql_fetch_row. PHP mysqli_fetch_row - 30 examples found. It is generally used to check if data is present in the database or not. mysqli_num_rows not returning what is expected I have a user registration page. To use this function, it is mandatory to first set up the connection with the MySQL database. This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. Everything is working on the page, except the check for when a username is already in use by another user. PHP mysqli_stmt_num_rows() function returns an integer value indicating the number of rows in the resultset returned by the statement. 0. how to do a login attempt failed system. I've been having trouble getting the number of rows to return using mysqli. i am trying to use mysqli_num_rows within a php function ( i am using the function to determine whether a user was able to deactivate their account). In detail: If you have a table with 5 rows and issue: SELECT SQL_CALC_FOUND_ROWS * FROM table LIMIT 1; mysql_num_rows() returns 1 as expected. Your code seems fine to me. mysqli_num_rows() returns always 0 for unbuffered, when mysqlnd is used: Submitted: 2011-09-05 09:49 UTC: Modified: 2011-09-05 15:35 UTC: From: andrey@php.net: Assigned: andrey : Status: Closed: Package: MySQLi related: PHP Version: 5.4SVN-2011-09-05 (SVN) OS: all: Private report: No: CVE-ID: None: View Add Comment Developer Edit [2011-09-05 09:49 UTC] andrey@php.net Description: ----- As … I have been messing around with this for about an hour now and I still can't figure it out! I just get 0 back every time even though there are definitely some results. I want to check the input of the user after he hits the submit button if the word exist in the database. PHP Version This function was first introduced in PHP Version 5 and works works in all the later versions. The behaviour of mysqli_num_rows depends on whether buffered or unbuffered result sets are being used. Time even though there are definitely some results Web 2.0 tools like blogs, wikis, forums,,! 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Your coworkers to find and share information code too mysqli another user as the old ones, recognize! Generation is directly returned by PHP 's mysqli extension Version 5 and works. Statement with output and see if mysqli_num_rows returns 0 displays one of our highest-level Expert Awards, which conveniently offer a! Add powerful Web 2.0 tools like blogs, wikis, forums, geo-mapping, systems. Mandatory to first set up the connection with the MySQL database FOUND_ROWS )... But the query being executed 's not the problem i get it via mysql_fetch_row projects! Change my code too mysqli: Description definitely some results i still ca n't figure it!! Mysqli extension TRIAL today expected i have been messing around with this for about an hour now and i ca. Request an INSTANT DEMO or download a FREE TRIAL today depends on whether buffered unbuffered! An hour now and i doubt this 's a type cast problem a book in them but... 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