php man page for eregi_replace

EREGI_REPLACE(3)							 1							  EREGI_REPLACE(3)

eregi_replace - Replace regular expression case insensitive

SYNOPSIS
       string eregi_replace (string  $pattern, string  $replacement, string  $string)

DESCRIPTION
	This function is identical to ereg_replace(3) except that this ignores case distinction when matching alphabetic characters.

       Warning

	      This function has been DEPRECATED as of PHP 5.3.0. Relying on this feature is highly discouraged.

PARAMETERS
	      o $pattern
		- A POSIX extended regular expression.

	      o $replacement
		-  If  $pattern contains parenthesized substrings, $replacement may contain substrings of the form  digit, which will be replaced
		by the text matching the digit'th parenthesized substring;  will produce the entire contents of string. Up  to  nine	substrings
		may be used. Parentheses may be nested, in which case they are counted by the opening parenthesis.

	      o $string
		- The input string.

RETURN VALUES
	The modified string is returned. If no matches are found in $string, then it will be returned unchanged.

EXAMPLES
       Example #1

	      Highlight search results

	      <?php
	      $pattern = '(>[^<]*)('. quotemeta($_GET['search']) .')';
	      $replacement = '\1<span class="search">\2</span>';
	      $body = eregi_replace($pattern, $replacement, $body);
	      ?>

NOTES
       Note

	      As  of PHP 5.3.0, the regex extension is deprecated in favor of the PCRE extension. Calling this function will issue an E_DEPRECATED
	      notice. See the list of differences for help on converting to PCRE.

       Tip

	      eregi_replace(3) is deprecated as of PHP 5.3.0. preg_replace(3) with the i ( PCRE_CASELESS) modifier is the suggested alternative.

SEE ALSO
       ereg(3), eregi(3), ereg_replace(3), preg_replace(3), quotemeta(3).

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