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<?php $s = "foobar"; $t = $s; $u = $s; echo PHP_VERSION . "\n"; debug_zval_dump($s);
Output for git.master, rfc.property-hooks
8.3.0-dev string(6) "foobar" interned
Output for git.master_jit
8.3.0-dev string(6) "foobar" refcount(5)

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