mb_strrpos
Description
The mb_strrpos of Multibyte String for PHP find position of last occurrence of a string in a string.
Syntax
mb_strrpos(
string $haystack,
string $needle,
int $offset = 0,
?string $encoding = null
): int|falseParameters
haystack
The string being checked, for the last occurrence of needle
needle
The string to find in haystack.
offset
May 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.
encoding
The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used.
Return
Returns the numeric position of the last occurrence of needle in the haystack string. If needle is not found, it returns false.
Examples
1 · haystack needle
<? $haystack = 'string🐘string🐘string'; $needle = '🐘string'; $return = mb_strrpos($haystack, $needle); echo $return; ?>
13
2 · offset · negative
<? $haystack = 'string🐘string🐘string'; $needle = '🐘string'; $offset = -10; $return = mb_strrpos($haystack, $needle, $offset); echo $return; ?>
6
3 · offset · non-negative
<? $haystack = 'string🐘string🐘string'; $needle = '🐘string'; $offset = 10; $return = mb_strrpos($haystack, $needle, $offset); echo $return; ?>
13
4 · encoding
<? $haystack = 'string🐘string🐘string'; $needle = '🐘string'; $offset = 10; $encoding = 'UTF-8'; $return = mb_strrpos($haystack, $needle, $offset, $encoding); echo $return; ?>
13
Links
Multibyte String
- mb_check_encoding
- mb_chr
- mb_convert_case
- mb_convert_encoding
- mb_convert_kana
- mb_convert_variables
- mb_decode_mimeheader
- mb_decode_numericentity
- mb_detect_encoding
- mb_detect_order
- mb_encode_mimeheader
- mb_encode_numericentity
- mb_encoding_aliases
- mb_ereg
- mb_ereg_match
- mb_ereg_replace
- mb_ereg_replace_callback
- mb_ereg_search
- mb_ereg_search_getpos
- mb_ereg_search_getregs
- mb_ereg_search_init
- mb_ereg_search_pos
- mb_ereg_search_regs
- mb_ereg_search_setpos
- mb_eregi
- mb_eregi_replace
- mb_get_info
- mb_http_input
- mb_http_output
- mb_internal_encoding
- mb_language
- mb_list_encodings
- mb_ord
- mb_output_handler
- mb_parse_str
- mb_preferred_mime_name
- mb_regex_encoding
- mb_regex_set_options
- mb_scrub
- mb_send_mail
- mb_split
- mb_str_pad
- mb_str_split
- mb_strcut
- mb_strimwidth
- mb_stripos
- mb_stristr
- mb_strlen
- mb_strpos
- mb_strrchr
- mb_strrichr
- mb_strripos
- mb_strstr
- mb_strtolower
- mb_strtoupper
- mb_strwidth
- mb_substitute_character
- mb_substr
- mb_substr_count
