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Better illustrate the purpose

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This commit is contained in:
Pierre Martin 2021-03-08 15:40:45 +01:00
parent 74b63f1f6f
commit 7e7f206f90
2 changed files with 6 additions and 1 deletions
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5
web/index.php
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@ -1,4 +1,9 @@
<?php <?php
// First visit -> 5s, times match
// Second visit -> instant, times don't match
// … T+14 -> instant, times don't match
// … T+15 (or 16) -> instant, times match (or almost)
// Nothing for 30s -> 5s, times match
header('Cache-Control: s-max-age=10, stale-while-revalidate=20'); header('Cache-Control: s-max-age=10, stale-while-revalidate=20');
sleep(5); sleep(5);
print('This is a slow test. ' . date('Y-m-d H:i:s')); print('This is a slow test. ' . date('Y-m-d H:i:s'));

2
web/slow-but-fast.php
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@ -1,5 +1,5 @@
<?php <?php
header('Cache-Control: s-max-age=1, stale-while-revalidate=20'); header('Cache-Control: s-max-age=1, stale-while-revalidate=99999999');
sleep(5); sleep(5);
print('This is a slow instant test. ' . date('Y-m-d H:i:s')); print('This is a slow instant test. ' . date('Y-m-d H:i:s'));
?> ?>