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    * grapheme_strstr
      (PHP 5 >= 5.3.0, PECL intl >= 1.0.0) grapheme_strstr — Returns part of haystack string from the first occurrence of needle to the end of haystack.
      string grapheme_strstr( string $haystack, string $needle[, bool $before_needle = false] )

    * grapheme_stristr
      (PHP 5 >= 5.3.0, PECL intl >= 1.0.0) grapheme_stristr — Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.
      string grapheme_stristr( string $haystack, string $needle[, bool $before_needle = false] )

    * iconv_strrpos
      (PHP 5) iconv_strrpos — Finds the last occurrence of a needle within a haystack
      int iconv_strrpos( string $haystack, string $needle[, string $charset = ini_set("iconv.internal_encoding")] )

    * iconv_strpos
      (PHP 5) iconv_strpos — Finds position of first occurrence of a needle within a haystack
      int iconv_strpos( string $haystack, string $needle[, int $offset = 0[, string $charset = ini_set("iconv.internal_encoding")]] )

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