PHP is a Scripting Language, specially for Web Development.
Difference between Scripting Language and Programming Language
| Scripting Language | Programming Language |
| Need Interpreter (executing sets of instructions) | Need Compiler (compile into machine code first) |
All scripting languages are programming languages, but not all programming languages are scripting languages
Difference between scripting language and programming language
data types in PHP
# 4 Scalar Types
- bool
- int
- float
- string
#4 Compound Types
- array
- object
- callable
- iterable
#2 Special Types
- resource
- null
those will be evaluated as false
// integers 0-0 = false
// floats 0.0 -0.0 = false
// = false =
//’0′ false
// [ ] = false
// null = false