29 lines
		
	
	
		
			709 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			709 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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if( isset( $_GET[ 'Submit' ] ) ) {
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	// Get input
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	$id = $_GET[ 'id' ];
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	// Check database
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	$getid  = "SELECT first_name, last_name FROM users WHERE user_id = '$id';";
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	$result = mysql_query( $getid ); // Removed 'or die' to suppress mysql errors
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	// Get results
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	$num = @mysql_numrows( $result ); // The '@' character suppresses errors
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	if( $num > 0 ) {
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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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	mysql_close();
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}
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?>
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