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  1. <?php
  2. class Simple
  3. {
  4. 	public static $X = 0;
  5.  
  6. 	public static function f()
  7. 	{
  8. 		self::$X = self::$X + 10;
  9. 		return 1;
  10. 	}
  11. }
  12.  
  13. $simple = new Simple();
  14. echo "X = " . $simple::$X += $simple::f();
  15. ?>
Success #stdin #stdout 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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X = 11
https://ideone.com/m6rvFB
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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