/**
* Evaluate an <if type="condition"> in PHP
*
* @param CBSimpleXMLElement $element
* @return boolean
*/
function _evalIf( &$element ) {
$name = $element->attributes( 'name' );
$nametype = $element->attributes( 'nametype' );
$operator = $element->attributes( 'operator' );
$value = $element->attributes( 'value' );
$valuetype = $element->attributes( 'valuetype' );
if ( $nametype == '' ) {
$nametype = 'datavalue:string';
}
$paramValue = $this->phpCleanType( $name, $nametype );
$value = $this->phpCleanType( $value, $valuetype );
if ( $element->attributes( 'translate' ) == '_UE' ) {
$value = getLangDefinition( $value );
} elseif ( $element->attributes( 'translate' ) == 'yes' ) {
$value = CBTxt::T( $value );
}
switch ( $operator ) {
case '=':
case '==':
$result = ( $paramValue == $value );
break;
case '!=':
case '<>':
$result = ( $paramValue != $value );
break;
case '<':
$result = ( $paramValue < $value );
break;
case '>':
$result = ( $paramValue > $value );
break;
case '<=':
$result = ( $paramValue <= $value );
break;
case '>=':
$result = ( $paramValue >= $value );
break;
case 'regexp':
$result = ( preg_match( '/' . $value . '/', $paramValue ) == 1 );
break;
case '!regexp':
$result = ( preg_match( '/' . $value . '/', $paramValue ) != 1 );
break;
case 'version_compare:=':
case 'version_compare:!=':
case 'version_compare:<':
case 'version_compare:>=':
$operator = substr( $operator, strpos( $operator, ':' ) + 1 ); // The possible operators are: <, lt, <=, le, >, gt, >=, ge, ==, =, eq, !=, <>, ne respectively
$result = version_compare( $paramValue, $value, $operator );
break;
default:
trigger_error( sprintf('XML IF: UNKNOWN OPERATOR "%" in xml: "%s"', $operator, htmlspecialchars( $element->asXML() ) ), E_USER_WARNING );
$result = false;
break;
}
return $result;
}
