wppaste
WordPress

apply_filters( 'postmeta_form_limit', int $limit )

Since
2.1.0
Filters the number of custom fields to retrieve for the drop-down in the Custom Fields meta box.

Compatibility

WordPress
since 2.1.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$limitint
Number of custom fields to retrieve. Default 30.

Where this hook fires · 1

  • wp-admin/includes/template.php:718meta_form()

Source code

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<?php		 * in the Custom Fields meta box.		 *		 * @since 2.1.0		 *		 * @param int $limit Number of custom fields to retrieve. Default 30.		 */		$limit = apply_filters( 'postmeta_form_limit', 30 ); 		$keys = $wpdb->get_col(			$wpdb->prepare(				"SELECT DISTINCT meta_key				FROM $wpdb->postmeta				WHERE meta_key NOT BETWEEN '_' AND '_z'

Changelog

Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

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