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  1. <?php
  2.  
  3. $a = array(
  4. 	"App" => true,
  5. 	"Two" => true,
  6. 	"Three" => false,
  7. 	"Four" => true
  8. );
  9.  
  10. var_dump(!array_keys($a, false));
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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bool(false)
https://ideone.com/SCABiQ
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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