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  1. <?php
  2.  
  3. function f () {
  4. 	return array("foo" => "bar");
  5. }
  6.  
  7. function extract_container () {
  8. 	extract(f());
  9. 	return $foo;
  10. }
  11.  
  12. echo "Extract: " . extract_container() . "\n";
  13. echo "Current: " . $foo . "\n";
  14. echo "Global:  " . $GLOBALS['foo'] . "\n";
  15.  
  16. // your code goes here
Success #stdin #stdout #stderr 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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Extract: bar
Current: 
Global:
stderr
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PHP Notice:  Undefined variable: foo in /home/GemYMJ/prog.php on line 13
PHP Notice:  Undefined index: foo in /home/GemYMJ/prog.php on line 14
https://ideone.com/XnaEKi
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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