Added missing links

Author: mnocon

docs/search/criteria_reference/datetimeattribute_criterion.md

@@ -4,7 +4,7 @@ description: DateTimeAttribute Criterion
 
 # DateTimeAttribute criterion
 
-The [`DateTimeAttribute Search Criterion`](TODO: PHP REF) searches for products by value of a specified attribute, based on the [date and time attribute](date_and_time.md) type.
+The [`DateTimeAttribute Search Criterion`](../../api/php_api/php_api_reference/classes/Ibexa-Contracts-ProductCatalogDateTimeAttribute-Search-Criterion-DateTimeAttribute.html) searches for products by value of a specified attribute, based on the [date and time attribute](date_and_time.md) type.
 
 ## Arguments
 

docs/search/criteria_reference/datetimeattributerange_criterion.md

@@ -4,7 +4,7 @@ description: DateTimeAttributeRange Criterion
 
 # DateTimeAttributeRange criterion
 
-The [`DateTimeAttributeRange Search Criterion`](TODO: PHP REF) searches for products by value of a specified attribute, which must be based on the [date and time attribute](date_and_time.md) type.
+The [`DateTimeAttributeRange Search Criterion`](../../api/php_api/php_api_reference/classes/Ibexa-Contracts-ProductCatalogDateTimeAttribute-Search-Criterion-DateTimeAttributeRange.html) searches for products by value of a specified attribute, which must be based on the [date and time attribute](date_and_time.md) type.
 
 ## Arguments