Syntax Highliter for BB

syntaxt_highliter.php

<?php

function bbtest_the_content( $content ) {

	$search  = array( '<pre>' );
	$replace = array( '<pre class="wp-block-syntaxhighlighter-code">' );

	$content = str_replace( $search, $replace, $content );

	$syntax_obj = new SyntaxHighlighter();
	$attributes = array( 'language' => 'as3' );

	$remaps         = array(
		'lineNumbers'       => 'gutter',
		'firstLineNumber'   => 'firstline',
		'highlightLines'    => 'highlight',
		'wrapLines'         => 'wraplines',
		'makeURLsClickable' => 'autolinks',
		'quickCode'         => 'quickcode',
	);

	$classnames = ! empty( $attributes['className'] ) ? array( esc_attr( $attributes['className'] ) ) : array();

	if ( ! empty( $attributes['align'] ) ) {
		$classnames[] = 'align' . esc_attr( $attributes['align'] );
	}

	foreach ( $remaps as $from => $to ) {
		if ( isset( $attributes[ $from ] ) ) {
			if ( is_bool( $attributes[ $from ] ) ) {
				$attributes[ $to ] = ( $attributes[ $from ] ) ? '1' : '0';
			} else {
				$attributes[ $to ] = $attributes[ $from ];
			}

			unset( $attributes[ $from ] );
		}
	}

	$code = preg_replace( '#<pre [^>]+>([^<]+)?</pre>#', '$1', $content );

	// Undo escaping done by WordPress
	$code = htmlspecialchars_decode( $code );
	$code = preg_replace( '/^(\s*https?:)&#0?47;&#0?47;([^\s<>"]+\s*)$/m', '$1//$2', $code );

	$code = $syntax_obj->shortcode_callback( $attributes, $code, 'code' );

	return '<div class="wp-block-syntaxhighlighter-code ' . esc_attr( join( ' ', $classnames ) ) . '">' . $code . '</div>';

	return $content;

}

add_filter( 'bbp_get_reply_content', 'bbtest_the_content' );

function bb_test_footer() {
	?>
	<script>
		jQuery(document).ready(function() {

			jQuery(document).on( 'click', '#forums-codeblock-button', function (e) {
				e.preventDefault();

				jQuery('#bbp_editor_reply_content_forums_editor_5').append( '<textarea class="block-editor-plain-text" rows="1"></textarea>' );
			});

			jQuery(document).on( 'keyup', '.block-editor-plain-text', function (e) {
				jQuery(this).html( jQuery(this).val() );
			});

		});
	</script>
	<style>
		.block-editor-plain-text {
			tab-size: 4;
			overflow: hidden;
			overflow-wrap: break-word;
			resize: none;
			height: 189px;
			width: 100%;
		}
	</style>
	<?php
}

add_action( 'wp_footer', 'bb_test_footer' );

function bbtest_new_reply_pre_content( $content ) {

	$search  = array( '<textarea class=\"block-editor-plain-text\" rows=\"1\">', '</textarea>' );
	$replace = array( '<pre class="wp-block-syntaxhighlighter-code">', '</pre>' );

	$content = str_replace( $search, $replace, $content );

	return $content;

}

add_filter( 'bbp_new_reply_pre_content', 'bbtest_new_reply_pre_content' );

function bbtest_after_forums_form_attachments() {
	?>
	<div class="post-elements-buttons-item post-codeblock codeblock-support">
		<a href="#" id="forums-codeblock-button" class="toolbar-button bp-tooltip" data-bp-tooltip-pos="down-left" data-bp-tooltip="<?php esc_attr_e( 'Highlite', 'buddyboss' ); ?>">
			<i class="bb-icon-l bb-icon-code"></i>
		</a>
	</div>
	<?php
}

add_action( 'bbp_theme_after_forums_form_attachments', 'bbtest_after_forums_form_attachments' );