A question about the loop jumping in PHP

Source: Internet
Author: User
  1. PHP current loop is 1, loop from inside to outside increments, break default is 1, such as jumping out of the 2nd layer loop

  2. for ($i =0; $i <3; $i + +) {
  3. foreach (Array () as $val) {
  4. foreach (Array () as $val) {
  5. echo "1-layer loop
    ";
  6. Break 2; Jump out of the 2nd layer loop
  7. }
  8. echo "2-layer loop
    ";
  9. }
  10. echo "3-layer Loop
    ";
  11. }
  12. Results:
  13. 1-Layer Loop
  14. 3-Layer Loop
  15. 1-Layer Loop
  16. 3-Layer Loop
  17. 1-Layer Loop
  18. 3-Layer Loop
  19. ?>

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