PHP coding standards (7)_PHP tutorial

4.4 End-of-line comments

The comment delimiter "//" can comment out the entire line or part of a line. It is generally not used to comment out multiple lines of text; however, it can be used to comment out multiple lines of code. Here are examples of all three styles:

if ($foo > 1) {

　//The second usage.
　...
}
else {
　return false; // Explain the reason for the return value
}

//if ($bar > 1) {
//
// ​// The third usage
//​ ...
//}
//else {
　// return false;
//}

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