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Description

Sanitizes the field value in the term based on the context.

Passing a term field value through the function should be assumed to have cleansed the value for whatever context the term field is going to be used. If no context or an unsupported context is given, then default filters will be applied. There are enough filters for each context to support a custom filtering without creating your own filter function. Simply create a function that hooks into the filter you need.

Usage

$mixed = sanitize_term_field( $field, $value, $term_id, $taxonomy, $context );

Parameters

$field

( string ) required – Term field to sanitize.

$value

( string ) required – Search for this term value.

$term_id

( int ) required – Term ID.

$taxonomy

( string ) required – Taxonomy name.

$context

( string ) required – Context in which to sanitize the term field. Accepts 'raw', 'edit', 'db', 'display', 'rss', 'attribute', or 'js'. Default 'display'.

Returns

mixed Sanitized field.

Source

File name: wordpress/wp-includes/taxonomy.php
Lines:

function sanitize_term_field( $field, $value, $term_id, $taxonomy, $context ) {
  $int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' );
  if ( in_array( $field, $int_fields, true ) ) {
    $value = (int) $value;
    if ( $value < 0 ) {
      $value = 0;
    }
  }

  $context = strtolower( $context );

  if ( 'raw' === $context ) {
    return $value;
  }

  if ( 'edit' === $context ) {

    
/**
 * Filters a term field to edit before it is sanitized.
 *
 * The dynamic portion of the hook name, `$field`, refers to the term field.
 *
 * @since 2.3.0
 *
 * @param mixed $value     Value of the term field.
 * @param int   $term_id   Term ID.
 * @param string $taxonomy Taxonomy slug.
 */
    $value = apply_filters( "edit_term_{$field}", $value, $term_id, $taxonomy );

    
/**
 * Filters the taxonomy field to edit before it is sanitized.
 *
 * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
 * to the taxonomy slug and taxonomy field, respectively.
 *
 * @since 2.3.0
 *
 * @param mixed $value   Value of the taxonomy field to edit.
 * @param int   $term_id Term ID.
 */
    $value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id );

    if ( 'description' === $field ) {
      $value = esc_html( $value ); // textarea_escaped
    } else {
      $value = esc_attr( $value );
    }
  } elseif ( 'db' === $context ) {

    
/**
 * Filters a term field value before it is sanitized.
 *
 * The dynamic portion of the hook name, `$field`, refers to the term field.
 *
 * @since 2.3.0
 *
 * @param mixed  $value    Value of the term field.
 * @param string $taxonomy Taxonomy slug.
 */
    $value = apply_filters( "pre_term_{$field}", $value, $taxonomy );

    
/**
 * Filters a taxonomy field before it is sanitized.
 *
 * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
 * to the taxonomy slug and field name, respectively.
 *
 * @since 2.3.0
 *
 * @param mixed $value Value of the taxonomy field.
 */
    $value = apply_filters( "pre_{$taxonomy}_{$field}", $value );

    // Back compat filters.
    if ( 'slug' === $field ) {
      
/**
 * Filters the category nicename before it is sanitized.
 *
 * Use the {@see 'pre_$taxonomy_$field'} hook instead.
 *
 * @since 2.0.3
 *
 * @param string $value The category nicename.
 */
      $value = apply_filters( 'pre_category_nicename', $value );
    }
  } elseif ( 'rss' === $context ) {

    
/**
 * Filters the term field for use in RSS.
 *
 * The dynamic portion of the hook name, `$field`, refers to the term field.
 *
 * @since 2.3.0
 *
 * @param mixed  $value    Value of the term field.
 * @param string $taxonomy Taxonomy slug.
 */
    $value = apply_filters( "term_{$field}_rss", $value, $taxonomy );
 

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