creates textual table of given array

table.php

<?php

function table($data)
{
    $output = [];

    foreach ($data as $heading => $array) {
        foreach ($array as $key => $value) {
            $output[$key][$heading] = $value;
        }
    }

    $keys = array_keys(end($output));
    $size = array_map('strlen', $keys);

    foreach (array_map('array_values', $output) as $e) {
        $size = array_map('max', $size,
            array_map('strlen', $e));
    }

    foreach ($size as $n) {
        $form[] = "%-{$n}s";
        $line[] = str_repeat('-', $n);
    }

    $form = '| ' . implode(' | ', $form) . " |\n";
    $line = '+-' . implode('-+-', $line) . "-+\n";
    $rows = array(vsprintf($form, $keys));

    foreach ($output as $e) {
        $rows[] = vsprintf($form, $e);
    }

    echo "<pre>\n";
    echo $line . implode($line, $rows) . $line;
    echo "</pre>\n";
}