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<?php | |
/** | |
* PHP XML to dynamic table | |
* | |
* @link http://stackoverflow.com/q/16997835/367456 | |
*/ | |
require('.../Iterator-Garden/src/autoload.php'); // for DecoratingIterator - use development branch | |
class TableAggregator implements IteratorAggregate | |
{ | |
private $xml; | |
public function __construct(SimpleXMLElement $xml) { | |
$this->xml = $xml; | |
} | |
public function getIterator() { | |
$formatNumber = function ($number) { | |
if ($number === '0') { | |
$number = ''; | |
} | |
return sprintf("%' 2s", $number); | |
}; | |
$numbersToArray = function (SimpleXMLElement $stringNumbers) use ($formatNumber) { | |
return array_map($formatNumber, explode('-', $stringNumbers)); | |
}; | |
$tableToRows = function (SimpleXMLElement $table) use ($numbersToArray) { | |
return new DecoratingIterator($table->children(), $numbersToArray); | |
}; | |
$tables = new DecoratingIterator( | |
$this->xml->message->ticketpage->ticket, | |
$tableToRows | |
); | |
return $tables; | |
} | |
} | |
$xml = simplexml_load_file('example.xml'); | |
$tables = new TableAggregator($xml); | |
foreach ($tables as $table) { | |
echo new TextTable($table), "\n"; | |
} | |
class TextTable | |
{ | |
private $data; | |
public function __construct($data) { | |
$this->data = $data; | |
} | |
public function __toString() { | |
$sizes = array(); | |
$data = $this->data; | |
foreach ($data as $row => $cols) { | |
foreach ($cols as $index => $value) { | |
$sizes[$index][$row] = strlen($value); | |
} | |
} | |
$max = array_map('max', $sizes); | |
$buffer = $this->lineLine($max) . "\n"; | |
foreach ($data as $row) { | |
$buffer .= $this->lineData($max, $row) . "\n"; | |
$buffer .= $this->lineLine($max) . "\n"; | |
} | |
return $buffer; | |
} | |
private function lineLine($sizes) { | |
$buffer = "+"; | |
foreach ($sizes as $size) { | |
$buffer .= str_repeat('-', $size) . "+"; | |
} | |
return $buffer; | |
} | |
private function lineData($sizes, $data) { | |
$buffer = "|"; | |
foreach ($sizes as $i => $size) { | |
$buffer .= str_pad($data[$i], $size) . "|"; | |
} | |
return $buffer; | |
} | |
} | |
class HtmlTable | |
{ | |
public function __construct(Traversable $table) { | |
$this->table = $table; | |
} | |
function __toString() { | |
$buffer = "<table>\n"; | |
foreach (new HtmlTableIterator($this->table) as $row) { | |
$buffer .= " $row\n"; | |
} | |
$buffer .= "</table>\n"; | |
return $buffer; | |
} | |
} | |
/** | |
* Class HtmlTableIterator | |
* | |
* @see PHP simpleXML how to check if a nested child exists | |
* @link http://stackoverflow.com/a/16826566/367456 | |
*/ | |
class HtmlTableIterator extends IteratorIterator | |
{ | |
public function __construct(Traversable $iterator, array $header = NULL) { | |
$append = new AppendIterator(); | |
$header && $append->append(new ArrayIterator(array($header))); | |
$append->append(new IteratorIterator($iterator)); | |
parent::__construct($append); | |
} | |
public function current() { | |
$row = '<tr>'; | |
foreach (parent::current() as $cell) { | |
$row .= "<td>$cell</td>"; | |
} | |
$row .= "</tr>"; | |
return $row; | |
} | |
} |
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