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Test of ctype_upper()

Example #1 : test success
Example #2 : test success
Example #3 : test success
Example #1
$input = 'AKLWC139'
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'bool' => false,
  ],
  
'php_version' => '7.1.32 Linux x86_64',
]
Example #2
$input = 'LMNSDO'
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'bool' => true,
  ],
  
'php_version' => '7.1.32 Linux x86_64',
]
Example #3
$input = 'akwSKWsm'
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'bool' => false,
  ],
  
'php_version' => '7.1.32 Linux x86_64',
]