function-F_zero_to_null

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Functions

Function F_zero_to_null

Prepare field value for SQL query.
Returns the num if different from zero, NULL otherwise.

Package: com\tecnick\tcexam\shared
Author: Nicola Asuni
Located at shared/code/tce_functions_general.php
Parameters summary
$num string to check.
Return value summary
string $num if != 0, NULL otherwise
 

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