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<?php function foo($a = A) { echo $a; } foo(1); foo(); // Use of undefined constant A const A = 1; foo();
Output for git.master, git.master_jit, rfc.property-hooks
1 Fatal error: Uncaught Error: Undefined constant "A" in /in/cJFf8:4 Stack trace: #0 /in/cJFf8(6): foo() #1 {main} thrown in /in/cJFf8 on line 4
Process exited with code 255.

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