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<?php function scope () { $var = '_POST'; var_dump(isset($$var)); } $var = '_POST'; var_dump(isset($$var), ${$var}['test']); scope();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "test" in /in/JkN7s on line 11 bool(true) NULL bool(false)

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