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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.

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str_ireplace

(PHP 5)

str_ireplace --  Case-insensitive version of str_replace().

Description

mixed str_ireplace ( mixed search, mixed replace, mixed subject [, int &count] )

This function returns a string or an array with all occurrences of search in subject (ignoring case) replaced with the given replace value. If you don't need fancy replacing rules, you should generally use this function instead of eregi_replace() or preg_replace() with the i modifier.

If subject is an array, then the search and replace is performed with every entry of subject, and the return value is an array as well.

If search and replace are arrays, then str_ireplace() takes a value from each array and uses them to do search and replace on subject. If replace has fewer values than search, then an empty string is used for the rest of replacement values. If search is an array and replace is a string; then this replacement string is used for every value of search.

Note: Every replacement with search array is performed on the result of previous replacement.

Example 1. str_ireplace() example

<?php
$bodytag = str_ireplace("%body%", "black", "<body text=%BODY%>");
?>

This function is binary safe.

Note: As of PHP 5.0.0 the number of matched and replaced needles will be returned in count which is passed by reference. Prior to PHP 5.0.0 this parameter is not available.

See also: str_replace(), preg_replace(), and strtr().

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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.