Mercurial > SimpleWebPresenter

annotate cache_check.inc @ 14:91ee5f49907e

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Correct caching. We could probably push caching earlier, but more important that it is correct.
author Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
date Wed, 19 Sep 2012 13:55:58 +0200
parents 6c0162497d56
children f51be7b9711a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d2da64705bce Refactored everything in the CMS into this repos.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
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1 <?php
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91ee5f49907e Correct caching.
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2 function cache_check($mtime)
91ee5f49907e Correct caching.
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3 {
91ee5f49907e Correct caching.
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4 if (DEBUG)
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5 var_dump($_SERVER);
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6c0162497d56 Improved error reporting, and support for multilevel params.
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6
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91ee5f49907e Correct caching.
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parents: 6
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7 $HTTP_IF_MODIFIED_SINCE=$_SERVER['HTTP_IF_MODIFIED_SINCE'];
91ee5f49907e Correct caching.
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parents: 6
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8 $if_modified_since = preg_replace('/;.*$/', '', $HTTP_IF_MODIFIED_SINCE);
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d2da64705bce Refactored everything in the CMS into this repos.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents:
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9
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91ee5f49907e Correct caching.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents: 6
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10 $gmdate_mod = gmdate('D, d M Y H:i:s', $mtime) . ' GMT';
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d2da64705bce Refactored everything in the CMS into this repos.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents:
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11
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91ee5f49907e Correct caching.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents: 6
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12 if ($if_modified_since == $gmdate_mod) {
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d2da64705bce Refactored everything in the CMS into this repos.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents:
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13 header("HTTP/1.0 304 Not Modified");
d2da64705bce Refactored everything in the CMS into this repos.
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14 exit;
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15 }
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parents: 6
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16 header("Last-Modified: $gmdate_mod");
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d2da64705bce Refactored everything in the CMS into this repos.
Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
parents:
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17 }
d2da64705bce Refactored everything in the CMS into this repos.
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18 ?>