PHP setlocale() Function

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what is the syntax of the SETLOCALE() function in php?

constantRequired. Specifies what locale information should be set.Available constants:LC_ALL – All of the belowLC_COLLATE –  Sort orderLC_CTYPE – Character classification and conversion (e.g. all characters should be lower or upper-case)LC_MESSAGES – System message formattingLC_MONETARY – Monetary/currency formattingLC_NUMERIC – Numeric formattingLC_TIME – Date and time formatting
locationRequired. Specifies what country/region to set the locale information to. Can be a string or an array. It is possible to pass multiple locations.

If the location is NULL or the empty string “”, the location names will be set from the values of environment variables with the same names as the constants above, or from “LANG”.

If the location is “0”, the location setting is not affected, only the current setting is returned.

If the location is an array, setlocale() will try each array element until it finds a valid language or region code. This is very useful if a region is known under different names on different systems.Note: To view all available language codes, go to our Language code reference.

examples of the SETLOCALE() function

Examples 1. In this example, we set the locale to US English and then back to default again.

echo setlocale(LC_ALL,"US");
echo "<br>";
echo setlocale(LC_ALL,NULL);
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