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. Welcome to Intellipaat Community. Link to post Share on other sites . Description mixed mysqli_affected_rows ( object link). 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. could there be a server setting that is causing this? You can … 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. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. No matter if I execute the query with the correct email and word or the wrong one. 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. 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. Everything that you get from the CI_DB_result object is directly returned by PHP's mysqli extension. 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. 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 mysqli_num_rows() function is an inbuilt function in PHP which is used to return the number of rows present in the result set. The recommendation is to switch to MySQLi functions, which conveniently offer both a procedural (my preference) and an object-oriented structure. 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 … PHP - Function MySQLi Num Rows - It returns the number of rows in a 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. Mysqli Prepared Stmt returns 0 num_rows. Returns the number of rows in the result set. When mysql.trace_mode = On, SELECT FOUND_ROWS() allway returns 0. ... 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. 0. how to do a login attempt failed system. PHP mysqli_fetch_row - 30 examples found. Returns the number of rows in the result set. In fact, nothing but the query generation is directly influenced by CI bar connection settings. mysqli_insert_id always returns 0 . This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. You can rate examples to help us improve the quality of examples. 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). See why there are 20,000+ Ektron integrations worldwide. The behaviour of mysqli_num_rows depends on whether buffered or unbuffered result sets are being used. I'm sure I'm doing something stupidly wrong. PHP mysqli_result - 30 examples found. Syntax mysqli_num_rows(result); Mysqli prepared statement stmt_num_rows returns 0 For some reason stmt_num_rows always ends up being 0. link. Mysqli num_rows prepared statement php. I have been messing around with this for about an hour now and I still can't figure it out! Hence, I have this code. I just get 0 … Just switch mysql.trace_mode … If mysqli_num_rows returns 0, it means no rows have been selected. 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. Returns the number of rows in the result set. Alternatives to this function include: mysqli_num_rows: mysqli_stmt_num_rows: PDOStatement::rowCount : Description. I want to check the input of the user after he hits the submit button if the word exist in the database. Hi, I`ve started doing PHP and MYSQL for a few months now and I am working on a project for a friend. Teams. The MySQL Table It is generally used to check if data is present in the database or not. These are the top rated real world PHP examples of mysqli_fetch_row extracted from open source projects. Request an INSTANT DEMO or download a FREE TRIAL today. Add powerful Web 2.0 tools like blogs, wikis, forums, geo-mapping, rating systems and RSS feeds easily. PHP mysqli_stmt_num_rows() function returns an integer value indicating the number of rows in the resultset returned by the statement. The use of mysqli_num_rows() depends on whether you use buffered or unbuffered result sets. The use of mysqli_num_rows() depends on whether you use buffered or unbuffered result sets. Description. Our community of experts have been thoroughly vetted for their expertise and industry experience. (A forward cursor is the default.) ult. Q&A for Work. If the last query was invalid, this function will return -1. No, the selected rows are printed so that's not the problem. Hot Network Questions Everyone has a book in them, but in most cases that’s where it should stay. Is the new oven the reason popovers don't rise? Thanks anyway for your suggestion. This command is only valid for statements like SELECT or SHOW that return an actual result set. You can rate examples to help us improve the quality of examples. could there be a server setting that is causing this? Returns the number of rows in the result set. For SELECT statements mysqli_affected_rows() works like mysqli_num_rows(). 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. 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 … These are the top rated real world PHP examples of mysqli_num_rows extracted from open source projects. To use this function, it is mandatory to first set up the connection with the MySQL database. Basically I had the code written down in mysql format and decided to change my code too mysqli. Where as in reality, the query returns 5 records, and I get it via mysql_fetch_row. However, it always says Data does not exist in which it finds the condition false. This always returns 0, and I doubt this's a type cast problem. get() results go through query(), which means that query() isn't the problem. Experts with Gold status have received one of our highest-level Expert Awards, which recognize experts for their valuable contributions. 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. i have an auto incremented record , nameId, being inserted. If you issue "SELECT FOUND_ROWS()" just in sequence, in the same connection resource, it allways returns 0 rather than expected 5. I've been having trouble getting the number of rows to return using mysqli. Your code seems fine to me. The behaviour of mysqli_num_rows() depends on whether buffered or unbuffered result sets are being used. Get your technical queries answered by top developers ! hi everyone. Description. It looks like a bug. 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. mysqli_num_rows not returning what is expected I have a user registration page. Do modern ovens bake the same as the old ones? This code is licensed under Creative Commons 0 (Public Domain). @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; 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 Are you sure it's not returning anything? And the only possible difference between the two is the query being executed. PHP Version This function was first introduced in PHP Version 5 and works works in all the later versions. As of PHP 5.5, the MySQL functions are deprecated and are removed in PHP 7. I just get 0 back every time even though there are definitely some results. These are the top rated real world PHP examples of mysqli_result extracted from open source projects. Parameters. PHP mysqli_num_rows - 30 examples found. Everything is working on the page, except the check for when a username is already in use by another user. Mark Baker 0 Posted August 17, 2009. int|false mysql_num_rows (resource result); Retrieves the number of rows from a result set. Does that apply to me? The behaviour of mysqli_num_rows depends on whether buffered or unbuffered result sets are being used. 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. How was the mass of Venus determined? Add an else statement with output and see if it displays. Mysqli_Num_Rows depends on whether you use buffered or unbuffered result sets are used! Rate examples to help us improve the quality of examples which it finds condition. Was removed in PHP 7.0.0 PHP Version 5 and works works in all the later versions only possible difference the... 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