wp_get_layout_definitions

The timeline below displays how wordpress function wp_get_layout_definitions has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.3

/**
 * Layout block support flag.
 *
 * @package WordPress
 * @since 5.8.0
 */
/**
 * Returns layout definitions, keyed by layout type.
 *
 * Provides a common definition of slugs, classnames, base styles, and spacing styles for each layout type.
 * When making changes or additions to layout definitions, the corresponding JavaScript definitions should
 * also be updated.
 *
 * @since 6.3.0
 * @access private
 *
 * @return array[] Layout definitions.
 */
function wp_get_layout_definitions()
{
    $layout_definitions = array('default' => array('name' => 'default', 'slug' => 'flow', 'className' => 'is-layout-flow', 'baseStyles' => array(array('selector' => ' > .alignleft', 'rules' => array('float' => 'left', 'margin-inline-start' => '0', 'margin-inline-end' => '2em')), array('selector' => ' > .alignright', 'rules' => array('float' => 'right', 'margin-inline-start' => '2em', 'margin-inline-end' => '0')), array('selector' => ' > .aligncenter', 'rules' => array('margin-left' => 'auto !important', 'margin-right' => 'auto !important'))), 'spacingStyles' => array(array('selector' => ' > :first-child:first-child', 'rules' => array('margin-block-start' => '0')), array('selector' => ' > :last-child:last-child', 'rules' => array('margin-block-end' => '0')), array('selector' => ' > *', 'rules' => array('margin-block-start' => null, 'margin-block-end' => '0')))), 'constrained' => array('name' => 'constrained', 'slug' => 'constrained', 'className' => 'is-layout-constrained', 'baseStyles' => array(array('selector' => ' > .alignleft', 'rules' => array('float' => 'left', 'margin-inline-start' => '0', 'margin-inline-end' => '2em')), array('selector' => ' > .alignright', 'rules' => array('float' => 'right', 'margin-inline-start' => '2em', 'margin-inline-end' => '0')), array('selector' => ' > .aligncenter', 'rules' => array('margin-left' => 'auto !important', 'margin-right' => 'auto !important')), array('selector' => ' > :where(:not(.alignleft):not(.alignright):not(.alignfull))', 'rules' => array('max-width' => 'var(--wp--style--global--content-size)', 'margin-left' => 'auto !important', 'margin-right' => 'auto !important')), array('selector' => ' > .alignwide', 'rules' => array('max-width' => 'var(--wp--style--global--wide-size)'))), 'spacingStyles' => array(array('selector' => ' > :first-child:first-child', 'rules' => array('margin-block-start' => '0')), array('selector' => ' > :last-child:last-child', 'rules' => array('margin-block-end' => '0')), array('selector' => ' > *', 'rules' => array('margin-block-start' => null, 'margin-block-end' => '0')))), 'flex' => array('name' => 'flex', 'slug' => 'flex', 'className' => 'is-layout-flex', 'displayMode' => 'flex', 'baseStyles' => array(array('selector' => '', 'rules' => array('flex-wrap' => 'wrap', 'align-items' => 'center')), array('selector' => ' > *', 'rules' => array('margin' => '0'))), 'spacingStyles' => array(array('selector' => '', 'rules' => array('gap' => null)))), 'grid' => array('name' => 'grid', 'slug' => 'grid', 'className' => 'is-layout-grid', 'displayMode' => 'grid', 'baseStyles' => array(array('selector' => ' > *', 'rules' => array('margin' => '0'))), 'spacingStyles' => array(array('selector' => '', 'rules' => array('gap' => null)))));
    return $layout_definitions;
}