(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Set blocking/non-blocking mode for connection

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Delete specified transaction from MCVE_CONN structure

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Establish the connection to MCVE

(PHP 5 >= 5.0.5, PHP 7, PECL mcve >= 1.0.0) Add key/value pair to a transaction. Replaces deprecated transparam()

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Create and initialize an MCVE_CONN structure

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Set the connection method to Drop-File

(PECL spplus >= 1.0.0) Obtain a nthmac key (needs 2 arguments)

(PECL spplus >= 1.0.0) Obtain the payment url (needs 2 arguments)

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Wait x microsecs

(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve >= 1.0.0) Number of rows returned in a comma delimited response