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<?php namespace Foo { define('Null', 42); define('null', 50); var_dump(array(Null, null)); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Constant Null already defined in /in/GpPMT on line 3 Warning: Constant null already defined in /in/GpPMT on line 4 array(2) { [0]=> NULL [1]=> NULL }

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