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<?php /// Example 1 $str = "Simple text"; $a = function() { global $str; $str = "edited"; }; $a(); echo $str."\n"; /// edited /// Example 2 $str = "Simple text"; $a = function() { $GLOBALS["str"] = "edited"; }; $a(); echo $str."\n"; /// edited /// Example 3 $str = "Simple text"; $temp = ""; $a = function() { $GLOBALS["temp"] = &$GLOBALS["str"]; }; $a(); echo "[".$str."] [".$temp."]\n"; /// [Simple text] [Simple text] /// Example 4 $str = "Simple text"; $temp = ""; $a = function() { global $str, $temp; $temp = &$str; }; $a(); echo "[".$str."] [".$temp."]\n"; /// [Simple text] []
Output for git.master, git.master_jit, rfc.property-hooks
edited edited [Simple text] [Simple text] [] []

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