SORT_FLAG_CASE

SORT_FLAG_CASE is one of the accepted parameters for:

• sort parameter #2 (optionally as a bitmask)
• rsort parameter #2 (optionally as a bitmask)
• asort parameter #2 (optionally as a bitmask)
• arsort parameter #2 (optionally as a bitmask)
• ksort parameter #2 (optionally as a bitmask)
• krsort parameter #2 (optionally as a bitmask)

SORT_FLAG_CASE — SORT_FLAG_CASE can be combined (bitwise OR) with SORT_STRING or SORT_NATURAL to sort strings case-insensitively. As of PHP 8.2.0, only ASCII case folding will be done.

SORT_FLAG_CASE = 8;