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Test of gmp_init()

Example #1 : test success
Example #2 : test success
Example #1
$input = 123456
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'resource' => 'GMP instance',
    
'string' => '123456',
  ],
  
'php_version' => '7.1.24 Linux x86_64',
]
Example #2
$input = '0xFFFFDEBACDFEDF7200'
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'resource' => 'GMP instance',
    
'string' => '4722357118114344169984',
  ],
  
'php_version' => '7.1.24 Linux x86_64',
]