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<?php $test_array = array( 0 => "zero", 1 => "one", ); $string = 'test_array[0]'; echo ${string};
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "string" in /in/9vv3Y:9 Stack trace: #0 {main} thrown in /in/9vv3Y on line 9
Process exited with code 255.

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