Plugin: Value Aggregator

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This plugin allows you to compose from several values a string suitable for use as a value of parameter.

PARAMETERS:

operator1 - Optional. Allows you to specify operator which will be appended once on the left in resulting string. E.g if the value of “operator1” parameter is “not”, then resulting string will be “not the_rest_of_string”.

operator2 - Optional. Allows you to specify operator which will be included between every value pair. E.g. if the value of “operator2” parameter is “&”, then resulting string will be “first_value&second;_value&third;_value”. Default value of this parameter is “|”.

value1, value2, value3 … value50 - Optional. Allows you to specify up to 50 values.

append_left - Optional. Allows you to specify string which will be appended on the left in resulting string. E.g if the value of “append_left” parameter is “|”, then resulting string will be “|the_rest_of_string”.

append_right - Optional. Allows you to specify string which will be appended on the right in resulting string. E.g if the value of “append_right” parameter is “|”, then resulting string will be “the_rest_of_string|”.

VARIABLES:

{value_aggregator_result} - outputs string composed from several values and suitable for use as a value of parameter.

{nonempty_values_number} - outputs number of non-empty values passed as parameters to the {exp:value_aggregator} tag.

Conditionals are supported.

EXAMPLE OF USAGE:

The code

{exp:value_aggregator append_left="|" value1="200" value2="198" value3="201" value4="88" value5="93" value6="197" value7="" value8="" value9="" value10=""}

{value_aggregator_result}

{/exp:value_aggregator}

will output the string “|200|198|201|88|93|197”

More complicated example:

{exp:weblog:entries weblog="weblog_common" category="6" sort="asc" limit="1" dynamic="off"}

{exp:value_aggregator operator1="not" value1="{custom_field1}" value2="{custom_field2}" value3="{custom_field3}" value4="{custom_field4}" value5="{custom_field5}" value6="{custom_field6}" value7="{custom_field7}" value8="{custom_field8}" value9="{custom_field9}" value10="{custom_field10}"}

{exp:entries_list category="6" weblog="{value_aggregator_result}" sort="asc" site="1"}
{entries_list_title}

{/exp:value_aggregator}

{/exp:weblog:entries}