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<?php class cls { protected $m_str = ''; function __construct( string & $str ) { $this->m_str = & $str; $this->m_str = 'first change'; $this->method( ); } protected function method( ) { $this->m_str = 'second change'; } } $str = 'unchanged'; $obj = new cls( $str ); echo "<br> str = $str";
Output for git.master, git.master_jit, rfc.property-hooks
<br> str = second change

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