What is difference between echo and print_r in php?
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Explain what does $_server means?
Is php faster than nodejs?
How come the code works, but doesn’t for two-dimensional array of mine?
Design a class that should always return a single object ?
How do you connet mysql database with php?
What is the difference between indexed and associative array?
What is the use of hooks?
What is a php web application?
What is $_ get?
How can I embed a java program in php file and what changes have to be done in php.ini file?
What is cURL in PHP?
What are the 3 scope levels available in php and how would you define them?