php - variable in mysql query, NOW() + INTERVAL $variable -

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$ someDays = 2;

इस चर को इस mysql क्वेरी में कैसे रखा जाए?

ये काम नहीं करते: 

  mysql_query ("उपयोगकर्ताओं को अपडेट करें (वैधता) मूल्य (अब () + अंतराल 'कुछ दिन' दिन) जहां आईडी = '$ id'"); Mysql_query ("उपयोगकर्ताओं को अपडेट करें (वैधता) मूल्य (अब () + अंतराल कुछ दिन का दिन) जहां आईडी = '$ id'"); Mysql_query ("उपयोगकर्ताओं को अपडेट करें (वैधता) मूल्य (अब () + INTERVAL '"। $ कुछ दिन। "' DAY) WHERE id = '$ id'"); Mysql_query ("उपयोगकर्ताओं को अपडेट करें (वैधता) मूल्य (NOW () + INTERVAL"। $ कुछ दिन। "DAY) WHERE id = '$ id'");    
 
 
 आप जिन टिप्पणियों का उपयोग कर रहे हैं  INSERT  वाक्यविन्यास लेकिन प्रयास एक  UPDATE  करने के लिए निम्नलिखित की तरह कुछ काम करना चाहिए: 
 
  mysql_query ("यूटिडेट उपयोगकर्ता सेट वैदिकता = DATE_ADD (अब (), INTERVAL $ कुछ दिन DAY) WHERE आईडी = $ id");  
 
 संपादित करें: 
 
  $ कुछ दिन  दिन को मौजूदा  वैधता  मान जो आप कर सकते हैं 
 <प्री>  ... SET वैधता = DATE_ADD (वैधता, INTERVAL $ कुछ दिन DAY) ...

यदि आपको इसे किसी विशिष्ट समय पर सेट करना है, तो आप PHP को तिथि करने के लिए उपयोग कर सकते हैं इसके अलावा:

<पूर्व> $ userVal = '2014-11-06 20:52:05'; $ NewUserVal = दिनांक ("वाई-एम-डी एच: आई: एस", स्ट्रटोटाइम ('+'। कुछ दिन। 'दिन', स्ट्रैटोमेट ($ यूज़र वेल))); Mysql_query ("यूटिडेट उपयोगकर्ता सेट वैधीकरण = '$ न्यूयूसरवाल' WHERE id = $ id");

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