What potential issue could be causing the word "online" not to be inserted into the database?

The potential issue causing the word "online" not to be inserted into the database could be a typo in the SQL query or a mismatch between the column name and the variable holding the value. To solve this issue, ensure that the column name in the SQL query matches the actual column name in the database table and double-check the variable containing the word "online" for any errors. 

// Assuming $conn is the database connection object

$word = "online"; // Variable containing the word to be inserted
$sql = "INSERT INTO table_name (column_name) VALUES ('$word')";

if ($conn->query($sql) === TRUE) {
    echo "Record inserted successfully";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

Keywords

PHP database insertion troubleshooting error.

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