PHP - Sacar Parametro de "string tipo QS"

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echo keepqsSinParametro('hola','hola=mundo&mundo=lindo&hola=chau'); #out = mundo=lindo

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  1. function keepqsSinParametro($parametro, $keepqs = ''){
  2. if( empty($keepqs) ) global $keepqs;
  3. $keepqs = urldecode($keepqs);
  4. return preg_replace('/[\&\?]?'.$parametro.'=[^\&]*/','', $keepqs);
  5. }

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