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<?php $result = ""; $strings = [ "a", "\u{FFDA}", "\u{FDFA}", "", "aa", "\xF5", ]; foreach ($strings as $string) { $decomposition = Normalizer::getRawDecomposition($string); // $decomposition = normalizer_get_raw_decomposition($string); Procedural way $error_code = intl_get_error_code(); $error_message = intl_get_error_message(); $string_hex = bin2hex($string); $result .= "---------------------\n"; if ($decomposition === null) { $result .= "'$string_hex' has no decomposition mapping\n" ; } else { $result .= "'$string_hex' has the decomposition mapping '" . bin2hex($decomposition) . "'\n" ; } $result .= "error info: '$error_message' ($error_code)\n"; } echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
--------------------- '61' has no decomposition mapping error info: 'U_ZERO_ERROR' (0) --------------------- 'efbf9a' has no decomposition mapping error info: 'U_ZERO_ERROR' (0) --------------------- 'efb7ba' has no decomposition mapping error info: 'U_ZERO_ERROR' (0) --------------------- '' has no decomposition mapping error info: 'Input string must be exactly one UTF-8 encoded code point long.: U_ILLEGAL_ARGUMENT_ERROR' (1) --------------------- '6161' has no decomposition mapping error info: 'Input string must be exactly one UTF-8 encoded code point long.: U_ILLEGAL_ARGUMENT_ERROR' (1) --------------------- 'f5' has no decomposition mapping error info: 'Code point out of range: U_ILLEGAL_ARGUMENT_ERROR' (1)

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