36 lines
		
	
	
		
			888 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			888 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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if( isset( $_GET[ 'Submit' ] ) ) {
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	// Check Anti-CSRF token
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	checkToken( $_REQUEST[ 'user_token' ], $_SESSION[ 'session_token' ], 'index.php' );
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	// Get input
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	$id = $_GET[ 'id' ];
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	// Was a number entered?
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	if(is_numeric( $id )) {
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		// Check the database
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		$data = $db->prepare( 'SELECT first_name, last_name FROM users WHERE user_id = (:id) LIMIT 1;' );
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		$data->bindParam( ':id', $id, PDO::PARAM_INT );
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		$data->execute();
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		// Get results
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		if( $data->rowCount() == 1 ) {
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			// Feedback for end user
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			$html .= '<pre>User ID exists in the database.</pre>';
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		}
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		else {
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			// User wasn't found, so the page wasn't!
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			header( $_SERVER[ 'SERVER_PROTOCOL' ] . ' 404 Not Found' );
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			// Feedback for end user
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			$html .= '<pre>User ID is MISSING from the database.</pre>';
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		}
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	}
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}
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// Generate Anti-CSRF token
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generateSessionToken();
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?>
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