01-13-2011
hi guys, thanks for your responses, but i should have mentioned the placement of where the values is in the string would vary, it would not necessarily be in the same position, so the only thing that is fixed is the search string i.e. Value3 and where to replace i.e. before Value2
and the below seems to be dependant on the position...
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LEARN ABOUT PHP
mb_strripos
MB_STRRIPOS(3) 1 MB_STRRIPOS(3)
mb_strripos - Finds position of last occurrence of a string within another, case insensitive
SYNOPSIS
int mb_strripos (string $haystack, string $needle, [int $offset], [string $encoding = mb_internal_encoding()])
DESCRIPTION
mb_strripos(3) performs multi-byte safe strripos(3) 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. Unlike mb_strrpos(3), mb_strripos(3) is case-insensitive.
PARAMETERS
o $haystack
- The string from which to get the position of the last occurrence of $needle
o $needle
- The string to find in $haystack
o $offset
- The position in $haystack to start searching
o $encoding
- Character encoding name to use. If it is omitted, internal character encoding is used.
RETURN VALUES
Return the numeric position of the last occurrence of $needle in the $haystack string, or FALSE if $needle is not found.
SEE ALSO
strripos(3), strrpos(3), mb_strrpos(3).
PHP Documentation Group MB_STRRIPOS(3)