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<?php |
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/** |
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* The MIT License |
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* Copyright (c) 2007 Andy Smith |
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*/ |
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namespace Abraham\TwitterOAuth; |
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class Util |
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{ |
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/** |
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* @param $input |
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* |
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* @return array|mixed|string |
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*/ |
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public static function urlencodeRfc3986($input) |
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{ |
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$output = ''; |
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if (is_array($input)) { |
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$output = array_map([__NAMESPACE__ . '\Util', 'urlencodeRfc3986'], $input); |
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} elseif (is_scalar($input)) { |
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$output = rawurlencode($input); |
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} |
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return $output; |
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} |
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/** |
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* @param string $string |
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* |
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* @return string |
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*/ |
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public static function urldecodeRfc3986($string) |
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{ |
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return urldecode($string); |
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} |
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/** |
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* This function takes a input like a=b&a=c&d=e and returns the parsed |
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* parameters like this |
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* array('a' => array('b','c'), 'd' => 'e') |
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* |
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* @param string $input |
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* |
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* @return array |
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*/ |
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public static function parseParameters($input) |
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{ |
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if (!is_string($input)) { |
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return []; |
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} |
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$pairs = explode('&', $input); |
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$parameters = []; |
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foreach ($pairs as $pair) { |
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$split = explode('=', $pair, 2); |
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$parameter = Util::urldecodeRfc3986($split[0]); |
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$value = isset($split[1]) ? Util::urldecodeRfc3986($split[1]) : ''; |
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if (isset($parameters[$parameter])) { |
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// We have already recieved parameter(s) with this name, so add to the list |
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// of parameters with this name |
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if (is_scalar($parameters[$parameter])) { |
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// This is the first duplicate, so transform scalar (string) into an array |
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// so we can add the duplicates |
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$parameters[$parameter] = [$parameters[$parameter]]; |
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} |
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$parameters[$parameter][] = $value; |
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} else { |
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$parameters[$parameter] = $value; |
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} |
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} |
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return $parameters; |
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} |
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/** |
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* @param array $params |
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* |
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* @return string |
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*/ |
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public static function buildHttpQuery(array $params) |
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{ |
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if (empty($params)) { |
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return ''; |
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} |
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// Urlencode both keys and values |
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$keys = Util::urlencodeRfc3986(array_keys($params)); |
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$values = Util::urlencodeRfc3986(array_values($params)); |
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$params = array_combine($keys, $values); |
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// Parameters are sorted by name, using lexicographical byte value ordering. |
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// Ref: Spec: 9.1.1 (1) |
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uksort($params, 'strcmp'); |
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$pairs = []; |
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foreach ($params as $parameter => $value) { |
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if (is_array($value)) { |
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// If two or more parameters share the same name, they are sorted by their value |
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// Ref: Spec: 9.1.1 (1) |
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// June 12th, 2010 - changed to sort because of issue 164 by hidetaka |
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sort($value, SORT_STRING); |
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foreach ($value as $duplicateValue) { |
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$pairs[] = $parameter . '=' . $duplicateValue; |
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} |
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} else { |
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$pairs[] = $parameter . '=' . $value; |
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} |
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} |
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// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61) |
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// Each name-value pair is separated by an '&' character (ASCII code 38) |
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return implode('&', $pairs); |
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} |
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} |
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abraham /
twitteroauth
