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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.
PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.
mb_strrpos() returns the numeric position of
the last occurrence of needle in the
haystack string. If
needle is not found, it returns FALSE.
mb_strrpos() performs multi-byte safe
strrpos() operation based on
number of characters. needle position is
counted from the beginning of
haystack. First character's position is
0. Second character position is 1.
If encoding is omitted, internal encoding
is assumed.
encoding is character encoding. If it is
not specified, internal character encoding is used.
Note: As of PHP 5.2.0
offsetmay be specified to begin searching an arbitrary number of characters into the string. Negative values will stop searching at an arbitrary point prior to the end of the string.
Note: The
encodingparameter was moved from the third position to the fourth in PHP 5.2.0. For backward compatibility,encodingcan be specified as the third parameter, but doing so is deprecated and will be removed in the future.
Another Useful functions:
function.mb-strwidth | function.mb-strtoupper | function.mb-strtolower | function.mb-strstr | function.mb-strrpos | function.mb-strripos | function.mb-strrichr | function.mb-strrchr | function.mb-strpos | function.mb-strlen | function.mb-stristr | function.mb-stripos | function.mb-strimwidth | function.mb-strcut |
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.