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  1. <?php
  2.  
  3. $a = 0.1; $b = 0.0025; $c = 1;
  4. $res = $a * $a - 4 * $b * $c;
  5.  
  6. var_dump($res == 0);
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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bool(false)
https://ideone.com/PifEL0
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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