PHP Warning - mysql_num_rows() expects parameter 1 to be resource
1238
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc... expects parameter 1 to be resource
84996
How to get an integer from MySQL as integer in PHP?
42138
Error: mysqli_stmt::bind_param(): Number of elements in type definition string doesn't match number of bind variables
34438
Column name or number of supplied values does not match table definition
47099
Warning: mysql_result() expects parameter 1 to be resource, boolean given
255
How can I prevent SQL injection in PHP?
153850
How can I reset a mysql table auto-increment to 1 in phpMyAdmin?
119597
How to use mysqli prepared statements?
25253
What's limiting my PHP resources?
131509
MySQL - count total number of rows in php
17118
Warning: mysqli_query() expects at least 2 parameters, 1 given. What?
19879
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result
65929
PHP: mysql_fetch_array() expects parameter 1 to be resource, boolean given
77400
PHP/MySQL/PDO binding null parameter doesn't work
113673
cannot insert multiple commands into a prepared statement
9067
How to execute two mysql queries as one in PHP/MYSQL?
68103
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints