block_version( string $content )

Returns the current version of the block format that the content string is using.

Description Description

If the string doesn’t contain blocks, it returns 0.

Parameters Parameters


(string) (Required) Content to test.

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Return Return

(int) The block format version is 1 if the content contains one or more blocks, 0 otherwise.

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Source Source

File: wp-includes/blocks.php

function block_version( $content ) {
	return has_blocks( $content ) ? 1 : 0;

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Changelog Changelog

Version Description
5.0.0 Introduced.

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