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function writeMyName()
{
echo "David Yang";
}
writeMyName();
?>
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echo "David Yang";
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echo "Hello world!<br />";
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writeMyName();
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My name is David Yang.
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}
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writeMyName("David");
echo "My name is ";
writeMyName("Mike");
echo "My name is ";
writeMyName("John");
?>
</body>
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function writeMyName($fname,$punctuation)
{
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}
echo "My name is ";
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