What does the PHP error 'Parse error in PHP – unexpected T_variable at line x' mean?

The PHP error message "Parse error: unexpected T_variable at line x" indicates a syntax error in the PHP code. It occurs when the PHP parser encounters an unexpected variable at the specified line number (x). This error typically occurs when there is a mistake in the code, such as a missing semicolon, mismatched parentheses, or incorrect use of operators. To resolve this error, you need to review the code at the specified line and check for any syntax errors or mistakes in variable usage. It's important to carefully review the code and ensure proper syntax to avoid parse errors.