variant_cmp

(PHP 5, PHP 7)

variant_cmp — Compares two variants

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variant_cmp ( mixed $left , mixed $right [, int $lcid [, int $flags ]] ) : int

Compares left with right.

This function will only compare scalar values, not arrays or variant records.

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left

The left operand.

right

The right operand.

lcid

A valid Locale Identifier to use when comparing strings (this affects string collation).

flags

flags can be one or more of the following values OR'd together, and affects string comparisons:

Variant Comparision Flags
value meaning
NORM_IGNORECASE Compare case insensitively
NORM_IGNORENONSPACE Ignore nonspacing characters
NORM_IGNORESYMBOLS Ignore symbols
NORM_IGNOREWIDTH Ignore string width
NORM_IGNOREKANATYPE Ignore Kana type
NORM_IGNOREKASHIDA Ignore Arabic kashida characters

Note:

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Returns one of the following:

Variant Comparision Results
value meaning
VARCMP_LT left is less than right
VARCMP_EQ left is equal to right
VARCMP_GT left is greater than right
VARCMP_NULL Either left, right or both are NULL