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29 lines
591 B
PHP
29 lines
591 B
PHP
<?php
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class Format {
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function __construct (&$app) {
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$this->app =& $app;
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}
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function call (&$env) {
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// available formats
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$formats = array("txt" => "text/plain", "xml" => "application/xml");
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// call the next middleware in the stack
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list($status, $headers, $body) = $this->app->call($env);
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// do something with response headers
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foreach( $formats as $key => $value ) {
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if ( !empty($env["request.vars"]["format"]) && $env["request.vars"]["format"] == $key ) {
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$headers["Content-Type"] = $value;
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}
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}
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return array($status, $headers, $body);
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}
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}
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?>
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