OrExpressionGroup.php
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OrExpressionGroup.php
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	<?php

	namespace Wikimedia\Rdbms;

	/**
	* Representing a group of expressions chained via OR
	*
	* @since 1.42
	*/
	class OrExpressionGroup extends ExpressionGroup {
	protected function getType(): string {
	return 'OR';
	}

	// While these methods are not actually "side-effect-free" (they mutate the object),
	// we annotate them with @phan-side-effect-free for consistency with Expression.

	/**
	* @param string $field
	* @param-taint $field exec_sql
	* @param string $op One of '>', '<', '!=', '=', '>=', '<=', IExpression::LIKE, IExpression::NOT_LIKE
	* @phan-param '\x3E'\|'\x3C'\|'!='\|'='\|'\x3E='\|'\x3C='\|'LIKE'\|'NOT LIKE' $op
	* @param-taint $op exec_sql
	* @param ?scalar\|RawSQLValue\|Blob\|LikeValue\|non-empty-list<scalar\|Blob> $value
	* @param-taint $value escapes_sql
	* @phan-side-effect-free
	*/
	public function or( string $field, string $op, $value ): OrExpressionGroup {
	$expr = new Expression( $field, $op, $value );
	$this->add( $expr );
	return $this;
	}

	/**
	* @param IExpression $expr
	* @return OrExpressionGroup
	* @phan-side-effect-free
	*/
	public function orExpr( IExpression $expr ): OrExpressionGroup {
	$this->add( $expr );
	return $this;
	}
	}