php - If I have the an id how to know in which page number? -


डेटाबेस में तालिका 

  आईडी 1 2 4 30 31 ...   
 पृष्ठ पर अंक लगाना  
  प्रति पृष्ठ 2 पंक्ति है, desc   
 अगर मेरे पास  id = 30  पता है कि किस पृष्ठ संख्या में पता है? किसी भी सुझाव की सराहना की जाएगी   
 
 
 पहले उसका आदेश प्राप्त करें:  
  select तालिका (_) से गिनती (*) जहां आईडी & lt; = 30 आदेश द्वारा col_name;   
 फिर आंकड़ा पृष्ठ संख्या:  
  int आदेश = 27; // पिछले क्वेरी से परिणाम, पृष्ठ int = 10; इंट पेजनम = ऑर्डर / पेजसिझ + + (ऑर्डर% pageSize == 0? 0: 1); // यहाँ पृष्ठ नंबर 1 से शुरू, नहीं 0,

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