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<?php class A { const A = 'a'; } echo A::A; runkit_redefine_constant('A::A', 'b'); echo A::A;
Output for git.master, git.master_jit, rfc.property-hooks
a Fatal error: Uncaught Error: Call to undefined function runkit_redefine_constant() in /in/XaaXv:10 Stack trace: #0 {main} thrown in /in/XaaXv on line 10
Process exited with code 255.

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