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PHP and MySQL syntax: Difference between revisions
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→length of characters
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* PHP: [http://php.net/mb_strlen PHP mb_strlen function] | * PHP: [http://php.net/mb_strlen PHP mb_strlen function] | ||
<pre> | <pre> | ||
echo mb_strlen("《王大文 Dawen》", 'UTF-8'); // return 11 | |||
echo strlen("《王大文 Dawen》"); // return 21 | echo strlen("《王大文 Dawen》"); // return 21 | ||
</pre> | </pre> | ||
* MySQL: [http://www.w3resource.com/mysql/string-functions/mysql-char_length-function.php MySQL CHAR_LENGTH() function] | * MySQL: [http://www.w3resource.com/mysql/string-functions/mysql-char_length-function.php MySQL CHAR_LENGTH() function] | ||
<PRE> | |||
SELECT CHAR_LENGTH("《王大文 Dawen》"); /* return 11 */ | |||
SELECT LENGTH("《王大文 Dawen》"); /* return 21 */ | |||
</PRE> | |||
* Excel: [https://support.office.com/en-us/article/LEN-LENB-functions-29236f94-cedc-429d-affd-b5e33d2c67cb?ui=en-US&rs=en-US&ad=US LEN function] / [https://support.office.com/zh-tw/article/LEN%E3%80%81LENB-%E5%87%BD%E6%95%B8-29236f94-cedc-429d-affd-b5e33d2c67cb LEN 函數] | * Excel: [https://support.office.com/en-us/article/LEN-LENB-functions-29236f94-cedc-429d-affd-b5e33d2c67cb?ui=en-US&rs=en-US&ad=US LEN function] / [https://support.office.com/zh-tw/article/LEN%E3%80%81LENB-%E5%87%BD%E6%95%B8-29236f94-cedc-429d-affd-b5e33d2c67cb LEN 函數] | ||
<pre> | |||
=LEN("《王大文 Dawen》") // return 11 | |||
</pre> | |||
* [http://string-functions.com/length.aspx Calculate String Length Online] | * [http://string-functions.com/length.aspx Calculate String Length Online] | ||