[Cassandra Wiki] Update of "ClientExamples" by MikeRoberts

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The "ClientExamples" page has been changed by MikeRoberts.
The comment on this change is: add a batch_insert example.
http://wiki.apache.org/cassandra/ClientExamples?action=diff&rev1=33&rev2=34

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    // Update the value to be inserted for the updated column Path
    $value = "24";
    $client->insert($keyspace, $keyUserId, $columnPath, $value, $timestamp, $consistency_level);
+ 
+   /* 
+    * use batch_insert to insert a supercolumn and its children using the standard config
+    * builds the structure
+    * 
+    * Super1 : {
+    *    KeyName : {
+    *	SuperColumnName : { 
+    *		foo : fooey value
+    *		bar : bar like thing
+    *	}
+    * }
+    */
+ 
+   // build columns to insert
+   $column1 = new cassandra_Column();
+   $column1->name = 'foo';
+   $column1->value = 'fooey value';
+   $column1->timestamp = time();
+ 
+   $column2 = new cassandra_Column();
+   $column2->name = 'bar';
+   $column2->value = 'bar like thing';
+   $column2->timestamp = time();
+ 
+   // build super column containing the columns
+   $super_column = new cassandra_SuperColumn();
+   $super_column->name = 'SuperColumnName';
+   $super_column->columns = array($column1, $column2);
+ 	
+   // create columnorsupercolumn holder class that batch_insert uses
+   $c_or_sc = new cassandra_ColumnOrSuperColumn();
+   $c_or_sc->super_column = $super_column;
+ 	
+   // create the mutation (a map of ColumnFamily names to lists ColumnsOrSuperColumns objects 
+   $mutation['Super1'] = array($c_or_sc);
+ 
+   $client->batch_insert($keyspace, 'KeyName', $mutation, $consistency_level);
  	
    /* Query for data */