Call after encode() for encoded content.
| public getContent ( ) : string | ||
| Résultat | string | |
function test_HTTP_Encoder()
{
global $thisDir;
HTTP_Encoder::$encodeToIe6 = true;
$methodTests = array(array('ua' => 'Any browser', 'ae' => 'compress, x-gzip', 'exp' => array('gzip', 'x-gzip'), 'desc' => 'recognize "x-gzip" as gzip'), array('ua' => 'Any browser', 'ae' => 'compress, x-gzip;q=0.5', 'exp' => array('gzip', 'x-gzip'), 'desc' => 'gzip w/ non-zero q'), array('ua' => 'Any browser', 'ae' => 'compress, x-gzip;q=0', 'exp' => array('compress', 'compress'), 'desc' => 'gzip w/ zero q'), array('ua' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'ae' => 'gzip, deflate', 'exp' => array('', ''), 'desc' => 'IE6 w/o "enhanced security"'), array('ua' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', 'ae' => 'gzip, deflate', 'exp' => array('deflate', 'deflate'), 'desc' => 'IE6 w/ "enhanced security"'), array('ua' => 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.01)', 'ae' => 'gzip, deflate', 'exp' => array('', ''), 'desc' => 'IE5.5'), array('ua' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 9.25', 'ae' => 'gzip,deflate', 'exp' => array('deflate', 'deflate'), 'desc' => 'Opera identifying as IE6'));
foreach ($methodTests as $test) {
$_SERVER['HTTP_USER_AGENT'] = $test['ua'];
$_SERVER['HTTP_ACCEPT_ENCODING'] = $test['ae'];
$exp = $test['exp'];
$ret = HTTP_Encoder::getAcceptedEncoding();
$passed = assertTrue($exp == $ret, 'HTTP_Encoder : ' . $test['desc']);
if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
echo "\n--- AE | UA = {$test['ae']} | {$test['ua']}\n";
echo "Expected = " . preg_replace('/\\s+/', ' ', var_export($exp, 1)) . "\n";
echo "Returned = " . preg_replace('/\\s+/', ' ', var_export($ret, 1)) . "\n\n";
}
}
HTTP_Encoder::$encodeToIe6 = false;
$methodTests = array(array('ua' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', 'ae' => 'gzip, deflate', 'exp' => array('', ''), 'desc' => 'IE6 w/ "enhanced security"'));
foreach ($methodTests as $test) {
$_SERVER['HTTP_USER_AGENT'] = $test['ua'];
$_SERVER['HTTP_ACCEPT_ENCODING'] = $test['ae'];
$exp = $test['exp'];
$ret = HTTP_Encoder::getAcceptedEncoding();
$passed = assertTrue($exp == $ret, 'HTTP_Encoder : ' . $test['desc']);
if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
echo "\n--- AE | UA = {$test['ae']} | {$test['ua']}\n";
echo "Expected = " . preg_replace('/\\s+/', ' ', var_export($exp, 1)) . "\n";
echo "Returned = " . preg_replace('/\\s+/', ' ', var_export($ret, 1)) . "\n\n";
}
}
if (!function_exists('gzdeflate')) {
echo "!WARN: HTTP_Encoder : Zlib support is not present in PHP. Encoding cannot be performed/tested.\n";
return;
}
// test compression of varied content (HTML,JS, & CSS)
$variedContent = file_get_contents($thisDir . '/_test_files/html/before.html') . file_get_contents($thisDir . '/_test_files/css/subsilver.css') . file_get_contents($thisDir . '/_test_files/js/jquery-1.2.3.js');
$variedLength = strlen($variedContent);
$encodingTests = array(array('method' => 'deflate', 'inv' => 'gzinflate', 'exp' => 32157), array('method' => 'gzip', 'inv' => '_gzdecode', 'exp' => 32175), array('method' => 'compress', 'inv' => 'gzuncompress', 'exp' => 32211));
foreach ($encodingTests as $test) {
$e = new HTTP_Encoder(array('content' => $variedContent, 'method' => $test['method']));
$e->encode(9);
$ret = strlen($e->getContent());
// test uncompression
$roundTrip = @call_user_func($test['inv'], $e->getContent());
$desc = "HTTP_Encoder : {$test['method']} : uncompress possible";
$passed = assertTrue($variedContent == $roundTrip, $desc);
// test expected compressed size
$desc = "HTTP_Encoder : {$test['method']} : compressed to " . sprintf('%4.2f%% of original', $ret / $variedLength * 100);
$passed = assertTrue(abs($ret - $test['exp']) < 100, $desc);
if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
echo "\n--- {$test['method']}: expected bytes: ", "{$test['exp']}. Returned: {$ret} ", "(off by " . abs($ret - $test['exp']) . " bytes)\n\n";
}
}
}
<?php
require __DIR__ . '/../../bootstrap.php';
// emulate regularly updating document
$every = 20;
$lastModified = round(time() / $every) * $every - $every;
list($enc, ) = HTTP_Encoder::getAcceptedEncoding();
$cg = new HTTP_ConditionalGet(array('lastModifiedTime' => $lastModified, 'encoding' => $enc));
$cg->sendHeaders();
if ($cg->cacheIsValid) {
// we're done
exit;
}
// output encoded content
$title = 'ConditionalGet + Encoder';
$explain = '
<p>Using ConditionalGet and Encoder is straightforward. First impliment the
ConditionalGet, then if the cache is not valid, encode and send the content</p>
<p>This script emulates a document that changes every ' . $every . ' seconds.
<br>This is version: ' . date('r', $lastModified) . '</p>
';
require '_include.php';
$content = get_content(array('title' => $title, 'explain' => $explain));
$he = new HTTP_Encoder(array('content' => get_content(array('title' => $title, 'explain' => $explain))));
$he->encode();
// usually you would just $he->sendAll(), but here we want to emulate slow
// connection
$he->sendHeaders();
send_slowly($he->getContent());
