TableFormatterHelper.php

<?php
namespace PMSIpilot\Bundle\StambiaTestBundle\Console\Helper;

use Symfony\Component\Console\Helper\Helper;

class TableFormatterHelper extends Helper
{
    /**
     * @return string
     */
    public function getName()
    {
        return 'table';
    }

    public function formatTable(array $rows)
    {
        $columnsLength = $this->computeColumnsLength($rows);

        $separator = '+';
        foreach(current($rows) as $column => $cell) {
            $separator .= str_repeat('-', $columnsLength[$column] + 2) . '+';
        }
        $separator .= PHP_EOL;

        $table = $this->formatHeader(array_shift($rows), $separator, $columnsLength);
        foreach($rows as $row) {
            $table .= $this->formatRow($row, $columnsLength) . PHP_EOL . $separator;
        }

        return $table;
    }

    protected function formatHeader(array $row, $separator, $columnsLength) {
        return $separator . $this->formatRow($row, $columnsLength, 'comment') . PHP_EOL . $separator;
    }

    protected function formatRow(array $cells, $columnsLength, $style = null) {
        $row = '| ';

        foreach($cells as $column => $cell) {
            $length = $columnsLength[$column];
            if(null !== $style) {
                $cell = sprintf('<%1$s>%2$' . $length . 's</%1$s>', $style, $cell);
            }

            $row .= sprintf('%'. $length .'s', $cell) . ' | ';
        }

        return $row;
    }

    protected function computeColumnsLength(array $rows) {
        $lengths = array();

        foreach($rows as $row) {
            foreach($row as $column => $cell) {
                if(true === isset($lengths[$column])) {
                    $lengths[$column] = strlen($cell) > $lengths[$column] ? strlen($cell) : $lengths[$column];
                } else {
                    $lengths[$column] = strlen($cell);
                }
            }
        }

        return $lengths;
    }
}