Text processing library in PHP8.0: Phonetic
May 14, 2023 am 08:10 AMWith the release of PHP 8.0, many people are paying attention to its new features. One of its high-profile features is its text processing library, Phonetic. This library provides some useful methods such as phonetic symbol conversion, pinyin conversion, and approximate string matching. In this article, we will delve into the functionality and usage of this library.
What is Phonetic?
Phonetic is a library for processing text. It provides several methods to make text processing more convenient and accurate. The library integrates three main functions: phonetic symbol conversion, pinyin conversion and approximate string matching. In the following chapters, we will introduce these three functions respectively.
Phonetic symbol conversion
The Phonetic library provides two methods for phonetic symbol conversion: ipaToEscapedUnicode()
and escapedUnicodeToIpa()
. These methods can convert phonetic symbols in IPA format to phonetic symbols in Unicode escape sequence format, or convert phonetic symbols in Unicode escape sequence format back to phonetic symbols in IPA format.
For those who don’t know phonetic symbols, this may sound a bit complicated. However, these methods are very useful if you are developing an application that needs to deal with phonetic symbols. For example, you can use them to process the output of a speech recognition engine, or to standardize the pronunciation of different languages.
The following is an example of using the ipaToEscapedUnicode()
method:
<?php use PhoneticPhonetic; Phonetic::setLocale('en'); echo Phonetic::ipaToEscapedUnicode('t?kt?k'); // 輸出:tu00e6ktu026au028c
In the above example, we first used the setLocale()
method to set using English pronunciation. Then, we used the ipaToEscapedUnicode()
method to convert the phonetic symbol of the word "tactic" into a phonetic symbol in the Unicode escape sequence format. Finally, we print out the converted results.
Pinyin conversion
Similar to phonetic symbol conversion, the Phonetic library also provides the pinyin conversion function. It can convert Chinese strings into Pinyin and add tone identification. This is useful for applications that need to process Chinese text, such as search engines, Pinyin input methods, etc.
The following is an example of using the toPinyin()
method:
<?php use PhoneticPhonetic; Phonetic::setLocale('zh'); echo Phonetic::toPinyin('中國'); // 輸出:zhu014dng guu00f3
In this example, we first use the setLocale()
method to set the language Set to Chinese. Then we use the toPinyin()
method to convert "China" (the abbreviation of the People's Republic of China) into Pinyin and add the tone identifier. Finally, we output the converted results.
Approximate string matching
In addition to phonetic symbol conversion and pinyin conversion, the Phonetic library also provides some methods for approximate string matching. These methods can be used in applications such as search engines, spell checkers, automatic error correction, etc.
The approximate matching methods in the Phonetic library are based on some existing algorithms, such as Levenshtein distance and Jaro-Winkler distance. These algorithms calculate the similarity between two strings and represent it as a number. The smaller the number, the more similar the two strings are.
The following is an example of using the levenshteinDistance()
method:
<?php use PhoneticPhonetic; echo Phonetic::levenshteinDistance('kitten', 'sitting'); // 輸出:3
In the above example, we used the levenshteinDistance()
method to calculate The Levenshtein distance of the two strings "kitten" and "sitting". This distance is 3, indicating that the similarity between the two strings is high.
Conclusion
The Phonetic library is a very useful text processing library in PHP8.0, which provides many useful functions. Whether you're working with audio files, Chinese text or string matching, it provides a convenient solution. If you want to learn more about this library, you can check out its documentation or source code.
The above is the detailed content of Text processing library in PHP8.0: Phonetic. For more information, please follow other related articles on the PHP Chinese website!

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