Oracle Tips by Burleson

Loop Control Statements

PHP recognizes two loop control statements, break and continue.  The break statement exits from the loop immediately, while the continue statement terminates the current loop iteration and continues with the next. Syntax for both statements is extremely simple as shown below:

• break;

• continue;

Despite being extremely simple, these two statements are also extremely useful.  The following is an example illustrating both statements:

Example 7:

  #!/usr/local/bin/php
  <?php
  $N=array(1,2,3,4,5,"next",6,7,8,9,"stop",10);
  foreach ($N as $n) {
    if ($n=="next") { continue; }
    if ($n=="stop") { break;    }
    print "$n  ";
  }
  print "\n";
  ?>

 When executed, this script displays the following:

 $ ./example7.php
1  2  3  4  5  6  7  8  9

The words “next” and “stop” or the number 10 are not printed. When the loop encounters the word “next”, it executes the continue command which skips the rest of the loop and continues with the next iteration.  When the word “stop” is discovered, the break command terminates the loop immediately.

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