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<?php //código com o problema function &olaMundoRef(){ return 'Ola mundo'. PHP_EOL; } //código sem problema function &olaMundo(){ $x = 'Ola mundo'; return $x; } echo olaMundoRef(); echo olaMundo();
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Only variable references should be returned by reference in /in/ZbXSD on line 4 Ola mundo Ola mundo

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