What kind of process structures are there in php5?

From the perspective of execution mode, the control structure of the statement is divided into the following three types:

1. Sequential structure: from the first statement Completely executed sequentially until the last statement;

2. Selection structure: perform several tasks based on user input or the intermediate results of the statement;

3. Loop structure: repeatedly execute according to a certain condition Just do a certain task a few times, or until the goal is achieved.

There are three control statements in PHP to implement selection structures and loop structures:

1. Conditional control statements: if, else, elseif and switch;

2. Loop control statements: foreach, while, do while and for;

3. Transfer control statements: break, continue and return.

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