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<?php $str = '[{"hello":"dolly", "bob":{"a":"is your uncle", "b":"is not your uncle"}}]'; var_dump(strlen($str)); var_dump(strlen(pack('*H', $str)));
Output for git.master, git.master_jit, rfc.property-hooks
int(73) Fatal error: Uncaught ValueError: Type *: unknown format code in /in/lfdi3:4 Stack trace: #0 /in/lfdi3(4): pack('*H', '[{"hello":"doll...') #1 {main} thrown in /in/lfdi3 on line 4
Process exited with code 255.

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