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<?php $var1 = 'ccc'; $var2 = $var1; echo "===========\n"; debug_zval_dump($var1, $var2); $var2 .= 'xxx'; debug_zval_dump($var1, $var2);
Output for git.master, rfc.property-hooks
=========== string(3) "ccc" interned string(3) "ccc" interned string(3) "ccc" interned string(6) "cccxxx" refcount(2)
Output for git.master_jit
=========== string(3) "ccc" refcount(5) string(3) "ccc" refcount(5) string(3) "ccc" refcount(3) string(6) "cccxxx" refcount(2)

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