Current File : //var/www/tif-dev/wp-content/plugins/gravityforms/includes/query/class-gf-query-series.php
<?php
/**
* The Gravity Forms Query Series class.
*
* A list of arguments. Would have named "List" but it's a reserved keyword.
*/
class GF_Query_Series {
/**
* @var array A series of values.
*/
private $_values = array();
/**
* A series of expressions.
*
* @param mixed[] $values With a valid expression type (GF_Query_Literal, GF_Query_Column, GF_Query_Call)
*/
public function __construct( $values ) {
if ( is_array( $values ) ) {
$this->_values = array_filter( $values, array( 'GF_Query_Condition', 'is_valid_expression_type' ) );
}
}
/**
* Get SQL for this.
*
* @param GF_Query $query The query.
* @param string $delimiter The delimiter to stick the series values with.
*
* @return string The SQL.
*/
public function sql( $query, $delimiter = '' ) {
$values = array();
foreach( $this->_values as $value ) {
$values[] = $value->sql( $query );
}
$chunks = array_filter( $values, 'strlen' );
return implode( $delimiter, $chunks);
}
/**
* Proxy read-only values.
*/
public function __get( $key ) {
switch ( $key ):
case 'values':
return $this->_values;
endswitch;
}
}
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