<?php function mysqli_prep( $value ) {
		$magic_quotes_active = get_magic_quotes_gpc();
		$new_enough_php = function_exists( "mysqli_real_escape_string" ); // i.e. PHP >= v4.3.0
		if( $new_enough_php ) { // PHP v4.3.0 or higher
			// undo any magic quote effects so mysqli_real_escape_string can do the work
			if( $magic_quotes_active ) { $value = stripslashes( $value ); }
			$value = mysqli_real_escape_string( $value );
		} else { // before PHP v4.3.0
			// if magic quotes aren't already on then add slashes manually
			if( !$magic_quotes_active ) { $value = addslashes( $value ); }
			// if magic quotes are active, then the slashes already exist
		}
		return $value;
	}