<?php function &func(){ static $static = 0; $static++; return $static; } $var1 =& func(); echo "var1:", $var1; // 1 func(); func(); echo "var1:", $var1; // 3 $var2 = func(); // assignment without the & echo "var2:", $var2; // 4 func(); func(); echo "var1:", $var1; // 6 echo "var2:", $var2; // still 4
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