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Test of gmp_gcd()

Example #1 : test success
Example #1
$input = [
  
=> '12',
  
=> '21',
]
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'resource' => 'GMP instance',
    
'string' => '3',
  ],
  
'php_version' => '7.1.32 Linux x86_64',
]