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<?php $a = 'x'; debug_zval_dump($a); b($a); function b($a){ debug_zval_dump($a); debug_zval_dump($a);//refcount=4 why not 3? }
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "x" interned string(1) "x" interned string(1) "x" interned

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