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January 2022

[Solved] Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘change page_content’ not found or invalid function name in

Last Updated on 2022-01-15 by Clay

Today when I trying to add a new function on my WordPress website, the code I create have no any display, but there is a new warning message pop up:

Read More »[Solved] Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘change page_content’ not found or invalid function name in

[WordPress] Display Different Footer In Different Language Site With Polylang

Last Updated on 2022-01-11 by Clay

Polylang is a useful plugin of WordPress website, it can help us to mapping a specific language article to the other language article (but they are still the same just written by different language…). If user want to change the language, they use use a language switcher tool to do it.

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Introduction of Basic Free Online Video Editing Tool FlexClip

Last Updated on 2022-01-07 by Clay

FlexClip is a free (and includes some paid advanced plan) online video editing tool. Users can easily create videos with text, audio, animation, and various effects.

If you want to experience this online video editing tool immediately, you can go directly to this website: https://www.flexclip.com/editor/

Read More »Introduction of Basic Free Online Video Editing Tool FlexClip