PHP TutorialLesson 16Free preview

PHP If...Else...Elseif

This lesson is part of PHP · All levels

Summary

The if... structure allows the program to select actions based on certain conditions. This lesson explains how to write if, else, and elseif, including alternative writing with colon and endif marks. With this structure, the program can make different decisions for different situations anyway.

Key points

If you check the condition in the lock, the block is executed if
Else becomes an option when the condition if is worth false
Otherwise, check the additional conditions in sequence.
Conditions often use comparison operators such as >, <, ==, and ===

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