src/mako/database/query/compilers/Compiler.php
public function columns(array $columns, bool $allowAlias = false): string
	{
		$pieces = [];

		foreach($columns as $column)
		{
			$pieces[] = $this->column($column, $allowAlias);
		}

		return implode(', ', $pieces);
	}
public function columns(array $columns, bool $allowAlias = false): string
	{
		$pieces = [];

		foreach($columns as $column)
		{
			$pieces[] = $this->column($column, $allowAlias);
		}

		return implode(', ', $pieces);
	}
public function columns ( array $ columns , bool $ allowAlias = false ) : string { $ pieces = [ ] ; foreach ( $ columns as $ column ) { $ pieces [ ] = $ this -> column ( $ column , $ allowAlias ) ; } return implode ( ', ' , $ pieces ) ; }
Returns a comma-separated list of compiled columns.

@param  array  $columns    Array of columns
@param  bool   $allowAlias Allow aliases?
@return string
Returns a comma - separated list of compiled columns .