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Types of Print Function in PHP
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Print function in PHP
Echo vs. Print in PHP | PHP Tutorial for Beginners | Ep 7 - YouTube
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PHP echo to print HTML, New Line, Text and Array - Phppot
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What is difference between echo, print, and print_r in PHP with example? - DevOpsSchool.com
PHP var_dump() function - javatpoint
All You Need to Know to about print_r in PHP | Edureka
How I pretty-print objects in php | by Mattias Glaving | Medium
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