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  1. <?php
  2.  
  3.     $t = gmp_init("229478441072721921");
  4.     $byte_array_t = gmp_export($t, 8);
  5.     $base64 = base64_encode($byte_array_t);
  6.  
  7.     echo $base64 . "\n";
  8.  
  9.  
  10.     $decode = base64_decode($base64);
  11.     $import = gmp_import($decode, 8);
  12.     $int = gmp_intval($import);
  13.  
  14.     echo "229478441072721921\n";
  15.     echo $int;
Success #stdin #stdout 0.03s 25964KB
comments (?)
stdin 
Standard input is empty
stdout 
AQDAI21FLwM=
229478441072721921
229478441072721921
https://ideone.com/kvcs1S
language:
PHP (php 7.3.5)
created:
14 days ago
visibility:
public

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