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update_meta()

update_meta( int $meta_id, string $meta_key, string $meta_value ): bool

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Updates post meta data by meta ID.

Parameters

$meta_idintrequired
Meta ID.
$meta_keystringrequired
Meta key. Expect slashed.
$meta_valuestringrequired
Meta value. Expect slashed.

Return

bool

Source

function update_meta( $meta_id, $meta_key, $meta_value ) {
	$meta_key   = wp_unslash( $meta_key );
	$meta_value = wp_unslash( $meta_value );

	return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
}

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UsesDescription
update_metadata_by_mid()wp-includes/meta.php

Updates metadata by meta ID.

wp_unslash()wp-includes/formatting.php

Removes slashes from a string or recursively removes slashes from strings within an array.

Used byDescription
edit_post()wp-admin/includes/post.php

Updates an existing post with values provided in $_POST.

Changelog

VersionDescription
1.2.0Introduced.

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