Jan 7 TIL

bookmark : javatpoint-phpForm

1.special Variables

• special variable starts and ends with double underscore(__).
• case insensitive.
• resolved at compile-time.

2. Array Definintion

3. execution passage

• wrap the shell code with ` (shft+"~").

result : root

4. call by reference

• put ampersand(&) before the variable name.

result : Hello Call By Reference

5. parameter default value

result : Hello Rajesh Hello Sonoo Hello John

6. Associative Array & traversing

result :
Key: Sonoo Value: 550000
Key: Vimal Value: 250000
Key: Ratan Value: 200000