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