<Php does not require "?>" This? What should I do?

& Lt ;? Php does not need "? & Gt? I haven't watched php for two or three years. remember the standard syntax: & lt ;? Php & nbsp; XXX & nbsp ;? & Gt; & nbsp; use yii & nbsp; the first ind "This?
I haven't watched php for two or three years. remember the standard syntax:
There is no "?>" in the first index. php of yii" Statement. Is this normal?

Php version 5.4.12 is the syntax upgraded?

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Normal, don't "?> "Better. Avoid unnecessary output.
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The standard syntax is
That's all right!

1. for code segments without subsequent content, what should they end?> Default
2.?> The last sentence can default the line terminator ";"
This is one of the characteristics of php syntax Analyzer's humanization.

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The last one can be omitted.
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In mvc, php is recommended to be omitted.