--- /dev/null
+--TEST--
+DomDocument::createProcessingInstruction() - basic test for DomDocument::createProcessingInstruction()
+--CREDITS--
+Muhammad Khalid Adnan
+# TestFest 2008
+--FILE--
+<?php
+
+$doc = new DOMDocument;
+
+$node = $doc->createElement("para");
+$newnode = $doc->appendChild($node);
+
+$test_proc_inst0 =
+ $doc->createProcessingInstruction( "blablabla" );
+$node->appendChild($test_proc_inst0);
+
+$test_proc_inst1 =
+ $doc->createProcessingInstruction( "blablabla", "datadata" );
+$node->appendChild($test_proc_inst1);
+
+echo $doc->saveXML();
+
+?>
+--EXPECT--
+<?xml version="1.0"?>
+<para><?blablabla?><?blablabla datadata?></para>
+
--- /dev/null
+--TEST--
+DomDocument::createProcessingInstruction() - error test for DomDocument::createProcessingInstruction()
+--CREDITS--
+Muhammad Khalid Adnan
+# TestFest 2008
+--FILE--
+<?php
+
+$doc = new DOMDocument;
+
+$node = $doc->createElement("para");
+$newnode = $doc->appendChild($node);
+
+try {
+ $test_proc_inst =
+ $doc->createProcessingInstruction( "bla bla bla" );
+ $node->appendChild($test_proc_inst);
+
+ echo $doc->saveXML();
+}
+catch (DOMException $e)
+{
+ echo 'Test failed!', PHP_EOL;
+}
+
+?>
+--EXPECT--
+Test failed!
+