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  1. <?php
  2. $number = number_format(1.0E-2, 20);
  3. $number = rtrim($number, '0');
  4. var_dump($number); // string(7) "0.00001"
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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string(22) "0.01000000000000000021"
https://ideone.com/yJ6lEn
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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