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<?php $var = 'original value'; $ref =& $var; $hash = ['var' => 'new value']; extract($hash, EXTRACT_REFS); echo 'ref: ', $ref, ' var: ', $var;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "EXTRACT_REFS" in /in/5eLMn:8 Stack trace: #0 {main} thrown in /in/5eLMn on line 8
Process exited with code 255.

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