Find a string in a text file and add text at the beginning to that line in php -


मेरे पास एक पाठ फ़ाइल है:

जॉन ग्राहक ए - माइकल ग्राहक बी जो जो ग्राहक < Br> Jacky CustomerC

टेक्स्ट की शुरुआत में और केवल 'ग्राहक ए' के ​​लिए 'सक्रिय' स्ट्रिंग कैसे जोड़ें, ताकि आउटपुट हो जाएगा

सक्रिय जॉन ग्राहक < Br> माइकल ग्राहक बी
सक्रिय जो ग्राहक - जैकी ग्राहक सी -

धन्यवाद

यहां कुछ सुझाव हैं ..

  1. फ़ॉपेन को फ़ाइल को एक सरणी पंक्ति में पंक्ति से पढ़ने के लिए उपयोग करें (http://www.php.net/manual/ En / function.fopen.php)

  2. उस सरणी के लिए एक foreach लूप चलाएं और स्ट्रिंग के अंत में 'ए' की घटना की जांच करें। (उपयोगी फ़ंक्शन: स्ट्रेलन, स्ट्रॉप्स)

  3. यदि 'ए' पाई जाती है तो उस स्ट्रिंग की शुरुआत में 'सक्रिय' जोड़ें। ($ X = 'सक्रिय'। $ X;)

  4. फाइल को अपडेट करने के लिए fputs और और fclose का उपयोग करें। (Http://php.net/manual/en/function .fputs.php)

    यदि आपके पास किसी भी चरण में कोई तकनीकी समस्या है तो ओपन है :)

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