query: PHP & MySQL: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given
positive_passages.docid: 1238
positive_passages.text: mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc... expects parameter 1 to be resource
negative_passages.docid: 103306
negative_passages.text: ERROR: Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\...\....php on line 19
negative_passages.docid: 84077
negative_passages.text: Warning: PDOStatement::execute(): SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens in
negative_passages.docid: 25528
negative_passages.text: Why can't I run two mysqli queries? The second one fails
negative_passages.docid: 65657
negative_passages.text: How do I loop through a MySQL query via PDO in PHP?
negative_passages.docid: 10080
negative_passages.text: MySQL Syntax error message "Operand should contain 1 column(s)"
negative_passages.docid: 10671
negative_passages.text: bind_param problem with binding boolean values
negative_passages.docid: 137092
negative_passages.text: PHP: mysql_connect not returning FALSE
negative_passages.docid: 14587
negative_passages.text: Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource
negative_passages.docid: 9791
negative_passages.text: Incorrect Integer (2147483647) is inserted into MySQL?
negative_passages.docid: 58310
negative_passages.text: mysql_num_rows(): supplied argument is not a valid MySQL result resource
negative_passages.docid: 107369
negative_passages.text: Catchable fatal error: Object of class mysqli_result could not be converted to string
negative_passages.docid: 52717
negative_passages.text: php warning: mysqli_close() expects parameter 1 to be mysqli
negative_passages.docid: 115266
negative_passages.text: Warning: mysqli_query() expects parameter 1 to be mysqli, null given in
negative_passages.docid: 60295
negative_passages.text: Script breaking below MySQL queries, but no error being given?
negative_passages.docid: 12823
negative_passages.text: What's the difference between MySQL BOOL and BOOLEAN column data types?
negative_passages.docid: 155102
negative_passages.text: Mysql_fetch_assoc(): supplied argument is not a valid MySQL result …