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  1. <?php
  2.  
  3. // define('TRUE', 'foo'); // works
  4. // define('True', 'bar'); // works too, even in combination with the first one
  5. // define('true', 'abc'); // Notice: Constant true already defined
  6.  
  7. var_dump(constant('TRUE')); // string 'foo'
  8. var_dump(constant('True')); // string 'bar'
  9. var_dump(constant('true')); // boolean true
Success #stdin #stdout 0.01s 82560KB
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stdin
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Standard input is empty
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bool(true)
bool(true)
bool(true)
https://ideone.com/CZSwiX
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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