Get compatibility mode

# trader_get_compat

(PECL trader >= 0.2.2)

trader_get_compat — Get compatibility mode

### Description

trader_get_compat(): int

Get compatibility mode which affects the way calculations are done by all the extension functions.

### Parameters

This function has no parameters.

### Return Values

Returns the compatibility mode id which can be identified by TRADER_COMPATIBILITY_* series of constants.

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