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  1. <?php
  2.  
  3. $s = "123";
  4. if (count( array_unique( str_split( $s))) == strlen($s)) {
  5. 	echo "Unique";
  6. } else {echo "Not unique";}
Success #stdin #stdout 0.01s 52488KB
comments (?)
stdin 
Standard input is empty
stdout 
Unique
https://ideone.com/JuOUjJ
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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