I created this course with the desire to make it a bible for those starting the PHP language, covering everything from basic grammar and built-in functions to web security and building a bulletin board.

pronist

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중급이상

PHP 7+ Programming

Although not mentioned, I will introduce some useful extensions . You do not need to learn all the extensions introduced below, and you can use them as needed . They are not covered in the lecture because they are not important. Of course, the ones marked with ★ can be important depending on the situation.
<ul><li><a href="http://docs.php.net/manual/en/book.fileinfo.php" target="_blank" rel="noopener noreferrer">Fileinfo</a> - Useful for getting information related to MIME types .</li><li> <a href="http://docs.php.net/manual/en/book.ctype.php" target="_blank" rel="noopener noreferrer">Ctype</a> - Checks the type of a variable , but in a slightly different way.</li><li> <a href="http://docs.php.net/manual/en/book.iconv.php" target="_blank" rel="noopener noreferrer">iconv</a> - Extensions related to encoding .</li><li> <a href="http://docs.php.net/manual/en/book.image.php" target="_blank" rel="noopener noreferrer">GD</a> - Used for image processing . (★)</li><li><a href="http://docs.php.net/manual/en/book.mbstring.php" target="_blank" rel="noopener noreferrer">Multibyte String</a> - Useful when handling multibyte strings such as Korean. (★ - Strings )</li><li> <a href="http://docs.php.net/manual/en/book.sockets.php" target="_blank" rel="noopener noreferrer">Sockets</a> - Used when configuring socket servers and clients . (★ - Streams (2) )</li><li> <a href="http://docs.php.net/manual/en/book.xml.php" target="_blank" rel="noopener noreferrer">XML Parser</a> - Used when parsing XML . In object-oriented, you can also use <a href="http://docs.php.net/manual/en/book.xmlreader.php" target="_blank" rel="noopener noreferrer">XMLReader</a> , <a href="http://docs.php.net/manual/en/book.dom.php" target="_blank" rel="noopener noreferrer">DOM</a> , etc. (★)</li></ul>