How to replace string on array index?

Question

This is my XML file.

  <sekolah>
    <satuan_pendidikan>SMA/MA</satuan_pendidikan>
    <program-keahlian>-</program-keahlian>
    <program-tk />
    <nama-sekolah>SMA Bintang Kejora</nama-sekolah>
    <nss>10101623166</nss>
    <alamat>Jl Kemerdekaan</alamat>
    <kecamatan>Cengkareng</kecamatan>
    <kabupaten-kota>Jakarta</kabupaten-kota>
    <propinsi>Jakarta Barat</propinsi>
    <kodepos>12950</kodepos>
    <telepon>021-56246</telepon>
    <faksimili />
    <email>[email protected]</email>
    <status-sekolah>SWASTA</status-sekolah>
    <nama-yayasan>Bintang Kejora</nama-yayasan>
    <nomor-akte-pendirian-terakhir>92800</nomor-akte-pendirian-terakhir>
    <tahun-berdiri>2001</tahun-berdiri>
    <status-akreditasi />
    <visi>Visi</visi>
    <misi>Visi</misi>
  </sekolah>

This my PHP code.

$string = file_get_contents("sma-bintang-kejora.xml");
$xml = simplexml_load_string($string);
print_r ($xml) ;
echo '<hr />';

echo $xml->sekolah->satuan_pendidikan.'<br />';
echo $xml->sekolah->alamat.'<br />';
echo $xml->sekolah->kecamatan.'<br />';

I have an error when I try to echo $xml->sekolah->program-keahlian.'<br />'; // output will be 0.

Can we replace the index array on XML after the string "-"?

$xml = simplexml_load_string($string);

What language are those tags in and what is a keahlian?

Christopher Manning
– Christopher Manning

2011-04-08 04:35:52 +00:00
Commented Apr 8, 2011 at 4:35 — Christopher Manning
– Christopher Manning, Commented Apr 8, 2011 at 4:35

Christopher Manning · Accepted Answer · 2011-04-08 04:34:00Z

3

The dash in your tag means you have to use the {''} syntax:

echo (string)$xml->{'program-keahlian'};

answered Apr 8, 2011 at 4:34

Christopher Manning

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