PHP - How can i check that a file is in a specific directory? -


मेरे पास दिए गए पथ हैं 

  directory1 / directory2 / directory3 / file.txt < / Code>  
 मैं यह जांचना चाहूंगा कि यह पथ निर्देशिका 2 में है या नहीं। लेकिन केवल स्ट्रॉप्स के साथ खोज करना पर्याप्त नहीं है क्योंकि पथ हो सकता है  
  directory1 / directory2 /../ directory4 / file.txt   
 मैं कैसे जांच सकता हूँ कि दिए गए पथ किसी दी गई निर्देशिका में स्थित है?   
 
 
 फ़ाइल के लिए पूर्ण पथ का उपयोग करें।  
 उदाहरण:  
  $ filename = "/var/www/projecname/files/file.txt" अगर (file_exists ($ filename)) {....}

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