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<?php $a = array(); print serialize($a); print serialize(base64_encode($a));
Output for git.master, git.master_jit, rfc.property-hooks
a:0:{} Fatal error: Uncaught TypeError: base64_encode(): Argument #1 ($string) must be of type string, array given in /in/XaA5d:5 Stack trace: #0 /in/XaA5d(5): base64_encode(Array) #1 {main} thrown in /in/XaA5d on line 5
Process exited with code 255.

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