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See file system/engine/loader.php at lines 75-76:
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You are right, see this issue: #11542 The controller method called by the dispatcher in the system/framework.php via an $action->execute(...) don't return an output string, they are usually of return type void, unlike the ones called from the system/engine/loader.php. |
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Something that I don't completely understand.
opencart/upload/system/framework.php
Line 248 in ebe4f81
here variable named $output is used as an argument to post-controller events. Where it is initialized?
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