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_validate_cache_id()

_validate_cache_id( mixed $object_id ): bool

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Checks whether the given cache ID is either an integer or an integer-like string.

Description

Both 16 and "16" are considered valid, other numeric types and numeric strings (16.3 and "16.3") are considered invalid.

Parameters

$object_idmixedrequired
The cache ID to validate.

Return

bool Whether the given $object_id is a valid cache ID.

Source

function _validate_cache_id( $object_id ) {	/* * filter_var() could be used here, but the `filter` PHP extension * is considered optional and may not be available. */	if ( is_int( $object_id )	|| ( is_string( $object_id ) && (string) (int) $object_id === $object_id ) ) {	return true;	}	/* translators: %s: The type of the given object ID. */	$message = sprintf( __( 'Object ID must be an integer, %s given.' ), gettype( $object_id ) );	_doing_it_wrong( '_get_non_cached_ids', $message, '6.3.0' );	return false; }

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UsesDescription
_doing_it_wrong()wp-includes/functions.php

Marks something as being incorrectly called.

Changelog

VersionDescription
6.3.0Introduced.

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