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PHP Break

In PHP, break is a control structure that is used to immediately terminate the execution of a loop. This can be useful in situations where you need to exit a loop early, or when you want to skip the remaining iterations of a loop under certain conditions.

The break statement can be used with the following loop structures:

  1. for loop:

The following example demonstrates the use of the break statement in a for loop:

for ($i = 1; $i <= 10; $i++) {
    if ($i == 6) {
        break;
    }
    echo $i . " ";
}

In this example, the for loop executes 10 times, but when $i is equal to 6, the break statement is executed, and the loop is terminated. Therefore, the output of this code is: 1 2 3 4 5.

  1. while loop:

The following example demonstrates the use of the break statement in a while loop:

$i = 1;
while ($i <= 10) {
    if ($i == 6) {
        break;
    }
    echo $i . " ";
    $i++;
}

In this example, the while loop executes until $i is greater than 10, but when $i is equal to 6, the break statement is executed, and the loop is terminated. Therefore, the output of this code is: 1 2 3 4 5.

  1. do-while loop:

The following example demonstrates the use of the break statement in a do-while loop:

$i = 1;
do {
    if ($i == 6) {
        break;
    }
    echo $i . " ";
    $i++;
} while ($i <= 10);

In this example, the do-while loop executes at least once, and continues to execute while $i is less than or equal to 10. When $i is equal to 6, the break statement is executed, and the loop is terminated. Therefore, the output of this code is: 1 2 3 4 5.

In conclusion, the break statement is a useful tool for controlling the flow of execution in loops in PHP. It allows developers to exit a loop early or skip remaining iterations under certain conditions, improving the efficiency and effectiveness of their code.