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<?php function book($id) { $id = $id[1]; // qui recupero il libro partendo dall'id. $books = array( 'La regola dell\'equilibrio', 'Morte in mare aperto', 'La ballata di Adam Henry' ); if (array_key_exists($id, $books)) { return '['.$books[$id].']'; } return '[Libro non in archivio]'; } $text = "I miei libri preferiti sono:\n[libro=1] e [libro=210]"; $text = preg_replace_callback("/\[libro=(.+?)\]/", 'book', $text); echo $text;
Output for git.master, git.master_jit, rfc.property-hooks
I miei libri preferiti sono: [Morte in mare aperto] e [Libro non in archivio]

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