/**
* Returns the quality of the `$encoding` type passed to it. Encoding
* is usually compression such as `gzip`, but could be some other
* message encoding algorithm. This method allows explicit checks to be
* done ignoring wildcards.
*
* // Accept-Encoding: compress, gzip, *; q=.5
* $encoding = $header->accepts_encoding_at_quality('gzip');
* // $encoding = (float) 1.0s
*
* @param string $encoding encoding type to interrogate
* @param boolean $explicit explicit check, ignoring wildcards and `identity`
* @return float
* @since 3.2.0
*/
public function accepts_encoding_at_quality($encoding, $explicit = FALSE)
{
if ($this->_accept_encoding === NULL) {
if ($this->offsetExists('Accept-Encoding')) {
$encoding_header = $this->offsetGet('Accept-Encoding');
} else {
$encoding_header = NULL;
}
$this->_accept_encoding = HTTP_Header::parse_encoding_header($encoding_header);
}
// Normalize the encoding
$encoding = strtolower($encoding);
if (isset($this->_accept_encoding[$encoding])) {
return $this->_accept_encoding[$encoding];
}
if ($explicit === FALSE) {
if (isset($this->_accept_encoding['*'])) {
return $this->_accept_encoding['*'];
} elseif ($encoding === 'identity') {
return (double) HTTP_Header::DEFAULT_QUALITY;
}
}
return (double) 0;
}
/**
* Tests the `parse_encoding_header` method parses the Accept-Encoding header
* correctly
*
* @dataProvider provider_parse_encoding_header
*
* @param string $accept accept
* @param array $expected expected
* @return void
*/
public function test_parse_encoding_header($accept, array $expected)
{
$this->assertSame($expected, HTTP_Header::parse_encoding_header($accept));
}
