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Test of grapheme_stripos()

Example #1 : test success
Example #1
$input = [
  
=> '_DOUBLE_QUOTES_a\\xCC\\x8Aa\\xCC\\x8Ao\\xCC\\x88_DOUBLE_QUOTES_',
  
=> '_DOUBLE_QUOTES_o\\xCC\\x88_DOUBLE_QUOTES_',
]
$expected_output = $test_output
$test_output = [
  
'result' => [
    
'int' => 2,
  ],
  
'php_version' => '7.1.9 Linux x86_64',
]