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  1. <?php
  2.  
  3. class CustomException extends Exception {}
  4.  
  5. function from() {
  6.     yield 1;
  7.     throw new CustomException();
  8. }
  9.  
  10. function gen($gen) {
  11.     yield from $gen;
  12. }
  13.  
  14. $gen = from();
  15. $gens[] = gen($gen);
  16. $gens[] = gen($gen);
  17.  
  18. foreach ($gens as $g) {
  19.     $g->current(); // init.
  20. }
  21.  
  22. foreach ($gens as $i => $g) {
  23.     print "Generator: $i\n";
  24.     try {
  25.         $g->current();
  26.         $g->next();
  27.     } catch (\ClosedGeneratorException $e) {
  28.         print "Caught ClosedGeneratorException\n";
  29.     } catch (\Exception $e) {
  30.         print "Caught Generic Exception\n";
  31.     }
  32. }
  33.  
Success #stdin #stdout 0s 82880KB
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stdin
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Standard input is empty
stdout
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Generator: 0
Caught Generic Exception
Generator: 1
Caught ClosedGeneratorException
https://ideone.com/ipEgKx
Example demonstrating a ClosedGeneratorException being caught outside of a Generator in PHP.
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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