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<?php $var = "laruence"; $var_dup = $var; debug_zval_dump($var_dup); unset($var); debug_zval_dump($var_dup);
Output for git.master, rfc.property-hooks
string(8) "laruence" interned string(8) "laruence" interned
Output for git.master_jit
string(8) "laruence" refcount(4) string(8) "laruence" refcount(3)

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