Teach you a trick to set php region information
In the previous article, we learned about the method of converting strings and quoted-printable characters to each other. If you need it, please read "Converting strings and quoted-printable characters to each other in php". This time we will introduce to you the method of setting regional information. You can refer to it if necessary.
In php, we can set the region information for the current script. It suddenly feels so magical. If you want to know how to set it up, just read this article with the editor.
Let’s first look at a small chestnut.
<?php echo setlocale(LC_ALL,"US"); echo "<br>"; echo setlocale(LC_ALL,NULL); ?>
The result of this is
If we look at this result alone, do we think that this result is inexplicable and we have no idea what it is doing, but we compare it with the code Take a closer look. Doesn’t this English_United States correspond to this us? After looking at it like this, I really want to know, but I feel like I am in a fog. Don't worry, let's keep reading.
setlocale() function sets regional information (regional information). Regional information is language, currency, time, and other information for a geographic area.
Let’s take a look at the syntax of this function.
setlocale(constant,location)
We must talk about this parameter carefully. Let’s look at constant first.
Let’s introduce another parameter,constant specifies what region information should be set.
The constants available for this parameter are:
LC_ALL - includes all options below
LC_COLLATE - sort order
LC_CTYPE - Character type and conversion (such as all characters uppercase or lowercase)
LC_MESSAGES - System message format
LC_MONETARY - currency format
LC_NUMERIC - number format
- ##LC_TIME - date and time format
location. It seems that this word means setting the region, but let's see if it is.
Lang". If the position parameter is "0", the position settings are not affected and only the current settings are returned.
setlocale() will try each array element until a valid language or locale code is found. This is useful if a zone has different names on different systems.
setlocale()The function only changes the regional information for the current script. You can set the region information to the system default through setlocale(LC_ALL,NULL).
The above is the detailed content of Teach you a trick to set php region information. For more information, please follow other related articles on the PHP Chinese website!
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