This component provides a partial, native PHP implementation of the Grapheme functions from the Intl extension.

• grapheme_extract: Extract a sequence of grapheme clusters from a text buffer, which must be encoded in UTF-8
• grapheme_stripos: Find position (in grapheme units) of first occurrence of a case-insensitive string
• grapheme_stristr: Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack
• grapheme_strlen: Get string length in grapheme units
• grapheme_strpos: Find position (in grapheme units) of first occurrence of a string
• grapheme_strripos: Find position (in grapheme units) of last occurrence of a case-insensitive string
• grapheme_strrpos: Find position (in grapheme units) of last occurrence of a string
• grapheme_strstr: Returns part of haystack string from the first occurrence of needle to the end of haystack
• grapheme_substr: Return part of a string

More information can be found in the main Polyfill README.

This library is released under the MIT license.