What does PHP do when I hit ESC?

Question

Suppose I have a pretty lengthy PHP script taking exactly 60 seconds.

I connect to mysite.com/thatscript.php, I'm pretty sure I connected, then the script starts running. After 5 seconds I hit escape. Then I hit Ctrl+R, and wait another 5 seconds, then repeat 12 times.

What will happen and why?

/edit: I actually tested and it puts me to wait but I can't distinguish whether Apache keeps me waiting, or another concurrent script, or whatever.

score 5 · Accepted Answer · edited May 23 '17 at 12:33

5

It depends on what PHP is doing.

Pressing esc will normally stop a browser loading the page.

If you lengthy script is also using a session, then all other request will wait until the previous script finished because of session locking.

Session locking related: How does session_start lock in PHP?

If you want to control how PHP handles the user stopping the request look at: http://php.net/manual/en/features.connection-handling.php

edited May 23 '17 at 12:33

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answered Sep 22 '12 at 03:25

Petah

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+1 for connection handling link which will probably address all of OPs questions. – Jordan Arsenault Sep 22 '12 at 05:41
But this has nothing to do with Apache, does it? If I open 6 requests simultaneously only then will Apache intervene is this correct? – Silviu-Marian Sep 22 '12 at 19:39
@GRIGORE-TURBODISEL Apache is just a layer between the browser and PHP. – Petah Sep 22 '12 at 22:11

What does PHP do when I hit ESC?

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