Converts lone & characters into & (a.k.a. &)

Parameters

$contentstringrequired

String of characters to be converted.

$deprecatedstringoptional

Not used.

Default:''

Return

Source

function convert_chars( $content, $deprecated = '' ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '0.71' );
	}

	if ( str_contains( $content, '&' ) ) {
		$content = preg_replace( '/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content );
	}

	return $content;
}

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