Search results for: "invalid result resources"

How can the foreach loop in PHP be effectively used to iterate through arrays without causing errors like "Invalid argument supplied for foreach()"?

When using a foreach loop in PHP to iterate through an array, it is important to ensure that the array being looped through is actually an array. If a...

What does the error message "unable to jump to row 0" signify in PHP MySQL result index 7?

The error message "unable to jump to row 0" in PHP MySQL result index 7 signifies that the result set is empty or the cursor is at an invalid position...

What are some common HTTP header codes used in PHP for handling invalid data?

When handling invalid data in PHP, it is common to use HTTP header codes to communicate the status of the request to the client. Some common HTTP head...

How can one avoid the "Invalid argument supplied for foreach()" error in PHP when querying multiple tables with the same prefix?

When querying multiple tables with the same prefix in PHP, you may encounter the "Invalid argument supplied for foreach()" error if the query does not...

What is the significance of the error message "Warning: mysql_field_name() [function.mysql-field-name]: Field 2 is invalid for MySQL" in PHP?

The error message "Warning: mysql_field_name() [function.mysql-field-name]: Field 2 is invalid for MySQL" indicates that the specified field index is...