PHP TutorialLesson 15Free preview

PHP Operators

This lesson is part of PHP · All levels

Summary

An operator is a symbol that commands PHP to perform certain operations, such as arithmetic, string merging, comparison, and logic. This lesson groups these operators together with their examples. An understanding of the operator, especially the differences between == and ===, will prevent many bugs on the program.

Key points

Arithmetic operator: +, -, *, /, % for the calculation
Operator. Used to combine strings
Comparison operator: == comparing values, === comparing values and types
Logical operator: && (and),

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