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Php variant cmp () function

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(PHP 5)

variant_cmp --  Compares two variants


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

Compares left with right and returns one of the following values:

Table 1. Variant Comparision Results

VARCMP_LTleft is less than right
VARCMP_EQleft is equal to right
VARCMP_GTleft is greater than right
VARCMP_NULLEither 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:

Table 2. Variant Comparision Flags

NORM_IGNORECASECompare case insensitively
NORM_IGNORENONSPACEIgnore nonspacing characters
NORM_IGNOREWIDTHIgnore string width
NORM_IGNOREKASHIDAIgnore Arabic kashida characters

Note: 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.

Php variant cmp Function syntax tag

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Php variant cmp syntax tutorial

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