Qiangsheng just talked to me about this question.thanks Qiangshen. and he misunderstood me.
i did not describe the question clearly. IContentAssistant newPHPAssistant = phpConfiguration .getPHPContentAssistant(this, true); will get a instance of class PHPContentAssistant,but before this there already a instance of class PHPContentAssistant.so i think there must be some reason to renew a one.and i want to know why:)
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