graphql-php/src/Language/SourceLocation.php

<?php
namespace GraphQL\Language;

class SourceLocation
{
    public $line;
    public $column;

    public function __construct($line, $col)
    {
        $this->line = $line;
        $this->column = $col;
    }

    public function toArray()
    {
        return [
            'line' => $this->line,
            'column' => $this->column
        ];
    }
}