Method to convert array to TypoScript string

array2ts.php

<?php

/**
 * Converts given array to TypoScript
 *
 * @param array $typoScriptArray The array to convert to string
 * @param string $addKey Prefix given values with given key (eg. lib.whatever = {...})
 * @param integer $tab Internal
 * @param boolean $init Internal
 * @return string TypoScript
 */
function convertArrayToTypoScript(array $typoScriptArray, $addKey = '', $tab = 0, $init = TRUE) {
	$typoScript = '';
	if ($addKey !== '') {
		$typoScript .= str_repeat("\t", ($tab === 0) ? $tab : $tab - 1) . $addKey . " {\n";
		if ($init === TRUE) {
			$tab++;
		}
	}
	$tab++;
	foreach($typoScriptArray as $key => $value) {
		if (!is_array($value)) {
			if (strpos($value, "\n") === FALSE) {
				$typoScript .= str_repeat("\t", ($tab === 0) ? $tab : $tab - 1) . "$key = $value\n";
			} else {
				$typoScript .= str_repeat("\t", ($tab === 0) ? $tab : $tab - 1) . "$key (\n$value\n" . str_repeat("\t", ($tab === 0) ? $tab : $tab - 1) . ")\n";
			}

		} else {
			$typoScript .= $this->convertArrayToTypoScript($value, $key, $tab, FALSE);
		}
	}
	if ($addKey !== '') {
		$tab--;
		$typoScript .= str_repeat("\t", ($tab === 0) ? $tab : $tab - 1) . '}';
		if ($init !== TRUE) {
			$typoScript .= "\n";
		}
	}
	return $typoScript;
}

example.php

<?php

  // Example array
$array = array(
	'name' => 'Armin',
	'firstName' => 'Vieweg',
	'description' => 'He is a' . PHP_EOL . 'TYPO3 and PHP developer',
	'skills' => array(
		'php' => 'yep',
		'typo3' => 'also yep'
	)
);

$typoScript = convertArrayToTypoScript($array, 'lib.developer.armin');
file_put_contents('example.ts', $typoScript);

example.ts

# This is the output of example.ts:

lib.developer.armin {
	name = Armin
	firstName = Vieweg
	description (
He is a
TYPO3 and PHP developer
	)
	skills {
		php = yep
		typo3 = also yep
	}
}