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As of PHP 5.4, it will be ignored an replaced by UTF-8. Note: Unrecognized character-sets will be ignored and replaced by ISO-8859-1 in versions prior to PHP 5.4.

#ISSET PHP W3SCHOOLS MAC OS#

MacRoman - Character-set that was used by Mac OS.

BIG5-HKSCS - Big5 with Hong Kong extensions.

GB2312 - Simplified Chinese, national standard character set.

BIG5 - Traditional Chinese, mainly used in Taiwan.

cp1252 - Windows specific charset for Western European.

cp1251 - Windows-specific Cyrillic charset.

ISO-8859-15 - Western European (adds the Euro sign + French and Finnish letters missing in ISO-8859-1).

ASCII compatible multi-byte 8-bit Unicode A string that specifies which character-set to use.

ENT_DISALLOWED - Replaces code points that are invalid in the specified doctype with a Unicode Replacement Character U+FFFD (UTF-8) or &#FFFD Īdditional flags for specifying the used doctype:.

ENT_SUBSTITUTE - Replaces invalid encoding for a specified character set with a Unicode Replacement Character U+FFFD (UTF-8) or &#FFFD instead of returning an empty string.

Should be avoided, as it may have security implications.

ENT_IGNORE - Ignores invalid encoding instead of having the function return an empty string.

ENT_NOQUOTES - Does not encode any quotes.

ENT_QUOTES - Encodes double and single quotes.

#ISSET PHP W3SCHOOLS HOW TO#

Specifies how to handle quotes, invalid encoding and the used document type. Htmlentities( string,flags,character-set,double_encode) Prime at 11:58 Add a comment 7 Answers Sorted by: 81 ISSET checks the variable to see if it has been set. PHP POST is a PHP super global variable which is used to collect form data after submitting an HTML form with methodpost. empty () checks if the value the variable points to contains anything. PHP Examples PHP Examples PHP Compiler PHP Quiz PHP Exercises PHP Certificate isset () checks if the variable is literally set, as in the variable actually points to a value something. PHP - AJAX AJAX Intro AJAX PHP AJAX Database AJAX XML AJAX Live Search AJAX Poll

PHP XML PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM begintransaction () Starts a transaction. autocommit () Turns on or off auto-committing database modifications.

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MySQL Database MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Where MySQL Order By MySQL Delete Data MySQL Update Data MySQL Limit Data affectedrows () Returns the number of affected rows in the previous MySQL operation. PHP OOP PHP What is OOP PHP Classes/Objects PHP Constructor PHP Destructor PHP Access Modifiers PHP Inheritance PHP Constants PHP Abstract Classes PHP Interfaces PHP Traits PHP Static Methods PHP Static Properties PHP Namespaces PHP Iterables PHP Advanced PHP Date and Time PHP Include PHP File Handling PHP File Open/Read PHP File Create/Write PHP File Upload PHP Cookies PHP Sessions PHP Filters PHP Filters Advanced PHP Callback Functions PHP JSON PHP Exceptions PHP Forms PHP Form Handling PHP Form Validation PHP Form Required PHP Form URL/E-mail PHP Form Complete Superglobals $GLOBALS $_SERVER $_REQUEST $_POST $_GET PHP RegEx