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<?php function foo(&$var) { $var++; } $a=5; foo($a); echo $a; function x(&$a) { echo $a; } // x(&$a);
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
6
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/jaeZa on line 24
Process exited with code 255.