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Finds the last occurrence of a needle within a haystack


iconv_strrpos

(PHP 5)

iconv_strrposFinds the last occurrence of a needle within a haystack

Description

int iconv_strrpos ( string $haystack , string $needle [, string $charset = ini_set("iconv.internal_encoding") ] )

In contrast to strpos(), the return value of iconv_strrpos() is the number of characters that appear before the needle, rather than the offset in bytes to the position where the needle has been found.

Parameters

haystack

The entire string.

needle

The searched substring.

charset

If charset parameter is omitted, string are assumed to be encoded in iconv.internal_encoding.

If haystack or needle is not a string, it is converted to a string and applied as the ordinal value of a character.

Return Values

Returns the numeric position of the last occurrence of needle in haystack. The characters are counted on the basis of the specified character set charset.

If needle is not found, iconv_strrpos() will return FALSE.

Warning

This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.

See Also

  • strrpos() - Find position of last occurrence of a char in a string
  • iconv_strpos() - Finds position of first occurrence of a needle within a haystack
  • mb_strrpos() - Find position of last occurrence of a string in a string

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