2.2 PHP : Strings
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Difference between echo, print and print_r in PHP
All You Need to Know to about print_r in PHP | Edureka
Print_r in PHP: Understanding Print_r () Function With Examples
php - print_r or echo the variable to see what the id is equal to - Stack Overflow
php - Not var_dump() nor print_r() will show readable information.... but the same confusing output. Why? - Stack Overflow
Difference between echo, print and print_r in PHP
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Difference between echo and print in PHP | CreativeDev
echo and print in PHP: Difference between echo and print
Difference between echo, print and print_r in PHP
What is the Difference Between PHP echo versus print? | Learn Web Tutorials
arrays - PHP using print_r with <pre> tag not working - Stack Overflow
Laravel dd() vs dump() vs var_dump() vs print_r() with Example - Shouts.dev
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PHP var_dump() function - w3resource
Difference between Echo and Print in PHP | Echo vs Print in PHP
What is difference between echo, print, and print_r in PHP with example? - DevOpsSchool.com
Difference between echo and print in PHP
Difference between echo, print, and print_r in PHP - Atcodex
How to display PHP variable values with echo, print_r, and var_dump - StackHowTo
What is difference between echo, print, and print_r in PHP with example? - DevOpsSchool.com
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The Ultimate Guide To print_r in PHP - Techone Solution
