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PHP Manual :: SQLite3::createAggregate



SQLite3::__construct || SQLite3::createCollation || SQLite3 || PHP Manual

(PHP 5 >= 5.3.0, PHP 7)

SQLite3::createAggregateRegisters a PHP function for use as an SQL aggregate function

Description

public bool SQLite3::createAggregate ( string $name , mixed $step_callback , mixed $final_callback [, int $argument_count = -1 ] )

Registers a PHP function or user-defined function for use as an SQL aggregate function for use within SQL statements.

Parameters

name

Name of the SQL aggregate to be created or redefined.

step_callback

The name of a PHP function or user-defined function to apply as a callback for every item in the aggregate.

final_callback

The name of a PHP function or user-defined function to apply as a callback at the end of the aggregate data.

argument_count

The number of arguments that the SQL aggregate takes. If this parameter is negative, then the SQL aggregate may take any number of arguments.

Return Values

Returns TRUE upon successful creation of the aggregate, FALSE on failure.



SQLite3::__construct || SQLite3::createCollation || SQLite3 || PHP Manual
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