Definition and usage The mysqli_query() function executes a query against the database. Syntax mysqli_query(connection,query,resultmode); Parameter description: connection is required and specifies the MySQL connection to be used. Query is required and specifies the query string. resultmode is optional. a constant. Can be any of the following values: 1. MYSQLI_USE_RESULT (use this if you need to retrieve a large amount of data) 2. MYSQLI_STORE_RESULT (default) Return value: For a successful SELECT, SHOW, DESCRIBE or EXPLAIN query, a mysqli_result object will be returned. For other successful queries, TRUE will be returned. If it fails,
1. PHP mysqli_query() function definition and usage
##Introduction: Definition and usage The mysqli_query() function executes a query against the database. Syntax mysqli_query(connection,query,resultmode); Parameter description:
2. Issues related to php mysql extension using mysqli to extend query results
Introduction: PHP mysql extension uses mysqli to expand query results. Background: Change some parts of the system that use mysql extension to use mysqli extension. Problems: Due to the interleaving of codes, there are many problems with the use of mysql_fetch_array() and the mysqli_query() function results after the change, and the parameters of the mysql_fetch_array() function are of resource type, mysqli_query()
3. Call to undefined method mysqli::mysqli_query(), how to solve it
Introduction: Call to undefined method mysqli::mysqli_query() appears like this prompt :Fatal error: Call to undefined method mysqli::mysqli_query() in and then use print_r(get_exte
##4.php,mysql insert error solution Introduction: php, mysql insert error report. Insert this sentence directly into mysql and there will be no problem...Write it into php and report an error saying Warning: mysqli_query() expects at least 2 parameters, 1 given in D:xampphtdocsca
5.php mysql extension uses mysqli to expand query results related issues
Introduction: php mysql extension uses mysqli to expand query results Problem background: Change parts of the system that use the mysql extension to use the mysqli extension. Problems: Due to code interleaving, there are many problems with the results of using the mysql_fetch_array() function and the mysql_fetch_array() function after the change. The parameters are of resource type, mysqli_query()[Related Q&A recommendations]:
##What does this function mysqli_query() refer to?
The above is the detailed content of Summary of mysqli_query() function definition and usage. For more information, please follow other related articles on the PHP Chinese website!