mb_strripos
Description
The mb_strripos of Multibyte String for PHP finds position of last occurrence of a string within another, case insensitive.
Syntax
mb_strripos(
string $haystack,
string $needle,
int $offset = 0,
?string $encoding = null
): int|falseParameters
haystack
The string from which to get the position of the last occurrence of needle
needle
The string to find in haystack
offset
The position in haystack to start searching
encoding
Character encoding name to use. If it is omitted, internal character encoding is used.
Return
Return the numeric position of the last occurrence of needle in the haystack string, or false if needle is not found.
Examples
1 · haystack needle
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $return = mb_strripos($haystack, $needle); echo $return; ?>
13
2 · offset · negative
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $offset = -10; $return = mb_strripos($haystack, $needle, $offset); echo $return; ?>
6
3 · offset · non-negative
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $offset = 10; $return = mb_strripos($haystack, $needle, $offset); echo $return; ?>
13
4 · encoding
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $offset = 10; $encoding = 'UTF-8'; $return = mb_strripos($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_strrpos
- mb_strstr
- mb_strtolower
- mb_strtoupper
- mb_strwidth
- mb_substitute_character
- mb_substr
- mb_substr_count
