Create README.md

Author: rcsofttech85

README.md

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+![License](https://img.shields.io/badge/License-MIT-green.svg)
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+
+**A simple php file helper** ✨
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+
+
+==========================================
+
+
+**search by a keyword in file**
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+
+
+
+```
+$fileHandler = new FileHandler();
+
+$fileHandler->open(filename: 'movie.csv',mode:'r')->searchInCsvFile(keyword: 'Twilight');
+
+```
+
+**Write multiple file simultaneously:**
+
+```
+$fileHandler = new FileHandler();
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+$fileHandler->open('file.txt');
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+$fileHandler->open('php://stdout');
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+fileHandler->write(data: "hello world");
+
+$fileHandler->close();
+
+```