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PHP Break

PHP break statement breaks the execution of the current for, while, do-while, switch, and for-each loop. If you use break inside inner loop, it breaks the execution of inner loop only.

The break keyword immediately ends the execution of the loop or switch structure. It breaks the current flow of the program at the specified condition and program control resumes at the next statements outside the loop.

The break statement can be used in all types of loops such as while, do-while, for, foreach loop, and also with switch case.

Syntax

Flowchart

PHP break statement flowchart

PHP Break: inside loop

Let's see a simple example to break the execution of for loop if value of i is equal to 5.

Output:

1
2
3
4
5

PHP Break: inside inner loop

The PHP break statement breaks the execution of inner loop only.

Output:

1 1
1 2
1 3
2 1
2 2
3 1
3 2
3 3

PHP Break: inside switch statement

The PHP break statement breaks the flow of switch case also.

Output:

number is equal to 200

PHP Break: with array of string

Output:

One 
Two 
Three

You can see in the above output, after getting the specified condition true, break statement immediately ends the loop and control is came out from the loop.

PHP Break: switch statement without break

It is not essential to break out of all cases of a switch statement. But if you want that only one case to be executed, you have to use break statement.

Output:

$car is not Mercedes Benz
$car is Mercedes Benz

PHP Break: using optional argument

The break accepts an optional numeric argument, which describes how many nested structures it will exit. The default value is 1, which immediately exits from the enclosing structure.

Output:

At matched condition i = 5
At matched condition i = 10; quitting

Note: The break keyword immediately ends the execution of the current structure.






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