Ask a question about PHP

In a PHP file, the following content is included
#!/usr/bin/php
My PHP code
?>

Question A: What does the phrase "#!/usr/bin/php" mean. Because generally we are in the browser through the HTTP protocol to access.
This is done through the Ejabberd 1 "built-in programs" to call this file.
Question B: On the basis of question A, what if you should do it under Windows?

Reply to discussion (solution)

is to tell the system what it does with it.
It is usually used in cron. You can also save from not writing

In

is to tell the system what it does with it.
It is usually used in cron. You can also save from not writing
In the window environment, how to deal with it?

can be removed directly. No, it's all you need.
But in Linux you have to specify PHP to execute the script.

Does this thing still work in Linux today? Have to ask the girl moderator

#!/usr/bin/php
Indicate which software to use to execute the subsequent code, and of course you must set the file to be executable
Equivalent to
/usr/bin/php filename.php

There's this mechanism in window, but you have a similar wording.

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