php - What's the term for calling a function this way？ -

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<पूर्व> $ arr [$ key] को सेट किए बिना;

यह नहीं होना चाहिए:

<पूर्व> अनसेट ($ query [$ key]);

से:

गूंज वास्तव में एक फ़ंक्शन नहीं है (यह भाषा निर्माण है)

उसी के साथ unset ।


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