Basic PHP grammar practice
The way to write PHP code is to start with end
Code comment method
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<span style="font-size:14px;"><?php
内容代码
?></span>
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Defined variables start with $
<!DOCTYPE html>
<html>
<head>
<title>day1</title>
<meta c/html" charset="utf-8">
</head>
<body>
<?php
内容代码
?>
</body>
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The naming of variables defined in PHP code is case-sensitive , that is, for two variables with the same name but different capitalization, the system will allocate two memories to you.
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<span style="font-size:18px;"><?php
1.//单行注释
2.#单行注释
3./*
注释内容
*/ ?></span>
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The above introduces pap Day 1, including various aspects. I hope it will be helpful to friends who are interested in PHP tutorials.
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