Loop

Sections

  • Loops

    A loop typically displays content retrieved from the database. It generates an optimised SQL query that extracts the desired content.

  • SQL joints between tables

    A joint in SQL is what allows information to be retrieved from multiple tables combined in a single query. It is possible to perform certain (…)

Articles

  • Retrieving the object and id_object

    This article will show how to retrieve the type (object) and identifier of a loop, so that they can be used in the calculations of a tag.
    Static (…)

  • The contents of loops (boucles)

    The content extracted from the selection made by a SPIP loop is displayed by using tags. Systematically, whenever a table has an SQL field "x", (…)

  • Recursive loops

    A common concept in many programming languages, an algorithm (a data-processing code) which makes reference calls to itself is described as being (…)

  • Quick overview

    SPIP transforms templates into static pages. Templates are mainly composed of loops () which select elements, typically sets of records, and tags (…)

  • The complete syntax of loops

    Loops, like tags, have a syntax which allow them to deliver content in various combinations. Optional parts are displayed only once (not for each (…)

  • The syntax of loops

    A loop typically declares both a database table from which to extract information as well as the criteria to be used for selecting a subset of the (…)

  • Nested loops

    It is often useful to nest loops within each other to display more complicated elements. Nesting loops in this way makes it possible to use values (…)

  • Modifying all of your templates in one hit

    Thanks to some special hooks, it is possible to use a single simple operation on a complete set of template files to modify the behaviour of a (…)

  • Contents of parent loops

    Sometimes it’s useful to retrieve contents from a loop which is a parent of the current loop, just by using an ordinary SPIP tag. SPIP offers a (…)