Caution: This documentation is for eZ Publish legacy, from version 3.x to 5.x.
For 5.x documentation covering Platform see eZ Documentation Center, for difference between legacy and Platform see 5.x Architecture overview.

Logical operations

OperatorSummary
and Evaluates all parameters until one is found to be FALSE, returns that value.
choose Returns one of the parameters (pinpointed by the input parameter).
cond Returns the value of the first clause who's condition is TRUE.
eq Returns TRUE if the input equals the first parameter or if all parameters are equal.
false Creates and returns a boolean FALSE.
first_set Returns the first parameter that is set (or FALSE).
ge Returns TRUE if a parameter is greater than or equal to another parameter.
gt Returns TRUE if a parameter is greater than another parameter.
le Returns TRUE if a parameter is less than or equal to another parameter.
lt Returns TRUE if a parameter is less than another parameter.
ne Returns TRUE if one or more of the parameters do not match.
not Returns the opposite of the input or the first parameter (TRUE/FALSE).
null Returns TRUE if the input value is NULL (not the same as 0).
or Evaluates all parameters until one is found to be TRUE, returns that value.
true Creates and returns a boolean TRUE.

Balazs Halasy (09/03/2005 1:00 pm)

Balazs Halasy (09/03/2005 1:12 pm)


Comments

  • Comparison Operators

    The comparison operators are evaluated the same way as they are done in PHP. This can lead to interesting results like the fact that {'0.10'|ne(0)} evaluates to false.

    See the following reference:
    http://www.php.net/manual/en/language.operators.comparison.php