mb_stristr
Description
The mb_stristr of Multibyte String for PHP finds first occurrence of a string within another, case insensitive.
Syntax
mb_stristr( string $haystack, string $needle, bool $before_needle = false, ?string $encoding = null ): string|false
Parameters
haystack
The string from which to get the first occurrence of needle
needle
The string to find in haystack
before_needle
Determines which portion of haystack this function returns. If set to true, it returns all of haystack from the beginning to the first occurrence of needle (excluding needle). If set to false, it returns all of haystack from the first occurrence of needle to the end (including needle).
encoding
Character encoding name to use. If it is omitted, internal character encoding is used.
Return
Returns the portion of haystack, or false if needle is not found.
Examples
1 · haystack needle
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $return = mb_strrichr($haystack, $needle); echo $return;
🐘string
2 · before_needle
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $before_needle = true; $return = mb_strrichr($haystack, $needle, $before_needle); echo $return;
string🐘string
3 · encoding
<? $haystack = 'string🐘string🐘string'; $needle = '🐘STRING'; $before_needle = true; $encoding = 'UTF-8'; $return = mb_strrichr($haystack, $needle, $before_needle, $encoding); echo $return;
string🐘string
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_strlen
- mb_strpos
- mb_strrchr
- mb_strrichr
- mb_strripos
- mb_strrpos
- mb_strstr
- mb_strtolower
- mb_strtoupper
- mb_strwidth
- mb_substitute_character
- mb_substr
- mb_substr_count