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The while loop is the most general type of loop, essentially a continuing if statement; it will execute while its Boolean expression (or "condition") is true. An infinite loop occurs when the condition never evaluates to false.
For more information see the Wikipedia article.
Examples of while loops
Curly bracket programming languages
int x = 0;
int y = 10;
while(x < y){
x++;
}
Language: Pascal
while (x < y) do
begin
{Do something.}
end;
PHP
$i=0;
while ($i<10) {
// do something
$i++;
}
Or:
while (true) {
// do something
if ($a==$b)
break;
}
Visual Basic
Do While x < y
' Do something
Loop
Or:
While x < y
' Do something
End While
See Also
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