How to Resolve the \'Object of class DateTime could not be converted to string\' Error in PHP?

Error Resolution for "Object of class DateTime could not be converted to string"

In a database table containing string values representing dates in a specific format, an attempt to convert these values to DateTime objects for insertion into another table encounters the error "Object of class DateTime could not be converted to string."

Understanding the Issue

The DateTime class in PHP represents dates and times as objects. The error arises because the code attempts to insert a DateTime object ($newdate) into a table column with a DATE data type, which expects a string representation of the date.

Solution

To resolve this error, the DateTime object must be converted back to a string before insertion. The DateTime::format method allows for the formatting of the DateTime object into a specific string representation.

Modified Code

$dateFromDB = $info['Film_Release'];
$newDate = DateTime::createFromFormat("l dS F Y", $dateFromDB);
$newDate = $newDate->format('Y-m-d'); // Format the date to match the DATE data type

By adding the $newDate = $newDate->format('Y-m-d'); line, the DateTime object is formatted as a string in YYYY-MM-DD format, which is compatible with the DATE data type. This string can then be inserted into the table successfully.

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