Description
int
variant_cmp ( mixed left, mixed right [, int lcid [, int flags]] )
Compares left with right
and returns one of the following values:
Tabelle 1. 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
|
This function will only compare scalar values, not arrays or variant records.
lcid is a valid Locale Identifier to use when
comparing strings (this affects string collation).
flags can be one or more of the following values
OR'd together, and affects string comparisons:
Tabelle 2. 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 |
Anmerkung:
As with all the variant arithmetic functions, the parameters for this function
can be either a PHP native type (integer, string, floating point, boolean or
NULL), or an instance of a COM, VARIANT or DOTNET class. PHP native types
will be converted to variants using the same rules as found in the constructor
for the VARIANT class. COM and DOTNET objects
will have the value of their default property taken and used as the variant value.
The variant arithmetic functions are wrappers around the similarly named
functions in the COM library; for more information on these functions, consult
the MSDN library. The PHP functions are named slightly differently; for example
variant_add() in PHP corresponds to VarAdd() in the MSDN documentation.
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