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Top Forums Shell Programming and Scripting Print values within groups of lines with awk Post 302958622 by Don Cragun on Saturday 24th of October 2015 03:56:35 AM
Old 10-24-2015
Quote:
Originally Posted by looney
Hi could you please explain how your code is working , specially
PHP Code:
a="";b="";c="";d="";e="" 
Thanks,
When a header is found, all of the data fields are cleared (i.e., set to empty strings) by the above statement.
The individual data fields are filled in as they are found by the statements on the following lines in the script. All of the fields have to be cleared so data from an earlier header isn't printed as data from a later header that did not contain entries for some fields.
 

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SQLSRV_GET_FIELD(3)													       SQLSRV_GET_FIELD(3)

sqlsrv_get_field - Gets field data from the currently selected row

SYNOPSIS
mixed sqlsrv_get_field (resource $stmt, int $fieldIndex, [int $getAsType]) DESCRIPTION
Gets field data from the currently selected row. Fields must be accessed in order. Field indices start at 0. PARAMETERS
o $stmt - A statement resource returned by sqlsrv_query(3) or sqlsrv_execute(3). o $fieldIndex - The index of the field to be retrieved. Field indices start at 0. Fields must be accessed in order. i.e. If you access field index 1, then field index 0 will not be available. o $getAsType - The PHP data type for the returned field data. If this parameter is not set, the field data will be returned as its default PHP data type. For information about default PHP data types, see Default PHP Data Types in the Microsoft SQLSRV documentation. RETURN VALUES
Returns data from the specified field on success. Returns FALSE otherwise. EXAMPLES
Example #1 sqlsrv_get_field(3) example The following example demonstrates how to retrieve a row with sqlsrv_fetch(3) and get the row fields with sqlsrv_get_field(3). <?php $serverName = "serverNamesqlexpress"; $connectionInfo = array( "Database"=>"dbName", "UID"=>"username", "PWD"=>"password"); $conn = sqlsrv_connect( $serverName, $connectionInfo); if( $conn === false ) { die( print_r( sqlsrv_errors(), true)); } $sql = "SELECT Name, Comment FROM Table_1 WHERE ReviewID=1"; $stmt = sqlsrv_query( $conn, $sql); if( $stmt === false ) { die( print_r( sqlsrv_errors(), true)); } // Make the first (and in this case, only) row of the result set available for reading. if( sqlsrv_fetch( $stmt ) === false) { die( print_r( sqlsrv_errors(), true)); } // Get the row fields. Field indeces start at 0 and must be retrieved in order. // Retrieving row fields by name is not supported by sqlsrv_get_field. $name = sqlsrv_get_field( $stmt, 0); echo "$name: "; $comment = sqlsrv_get_field( $stmt, 1); echo $comment; ?> SEE ALSO
sqlsrv_fetch(3), sqlsrv_fetch_array(3), sqlsrv_fetch_object(3). PHP Documentation Group SQLSRV_GET_FIELD(3)
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