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<?php function test1($unset = false) { static $i = 'I don\'t get used.'; echo $i; static $i = 'I get used.'; } test1();
Output for git.master, git.master_jit
I get used.
Output for rfc.property-hooks
Fatal error: Duplicate declaration of static variable $i in /in/D9W5a on line 8
Process exited with code 255.

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