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{$field_no_prefix}_save_pre

apply_filters( “{$field_no_prefix}_save_pre”, mixed $value )

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Filters the value of a specific field before saving.

Description

The dynamic portion of the hook name, $field_no_prefix, refers to the post field name.

Parameters

$valuemixed
Value of the post field.

More Information

The filter callback function must return a post field value after it is finished processing or the content will be empty.

Source

$value = apply_filters( "{$field_no_prefix}_save_pre", $value );

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Used byDescription
sanitize_post_field()wp-includes/post.php

Sanitizes a post field based on context.

Changelog

VersionDescription
2.3.0Introduced.

User Contributed Notes

  1. Skip to note 2 content
    Steven Lin
    You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note

    Example migrated from Codex:

    The example below uses the hook content_save_pre to remove undesirable carriage return character.

    add_filter( 'content_save_pre' , 'my_sanitize_content' , 10, 1);

function my_sanitize_content( $content ) {

    return str_replace( "\r<figcaption>", "<figcaption>", $content );

}

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