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✏️ Editing: changelog_handler.php

<?php
/**
 * Changleog Handler
 *
 * Handles parsing for Changelog files.
 *
 * @package Neve\Admin\Dashboard
 */

namespace Neve\Admin\Dashboard;

/**
 * Class Changelog_Handler
 *
 * @package Neve\Admin\Dashboard
 */
class Changelog_Handler {
	/**
	 * Get the parsed changelog.
	 *
	 * @param string $changelog_path the changelog path.
	 *
	 * @return array
	 */
	public function get_changelog( $changelog_path ) {

if ( ! is_file( $changelog_path ) ) {
			return [];
		}

if ( ! WP_Filesystem() ) {
			return [];
		}

return $this->parse_changelog( $changelog_path );
	}

/**
	 * Return the releases changes array.
	 *
	 * @param string $changelog_path the changelog path.
	 *
	 * @return array $releases - changelog.
	 */
	private function parse_changelog( $changelog_path ) {
		WP_Filesystem();
		global $wp_filesystem;
		$changelog = $wp_filesystem->get_contents( $changelog_path );
		if ( is_wp_error( $changelog ) ) {
			$changelog = '';
		}
		$changelog     = explode( PHP_EOL, $changelog );
		$releases      = [];
		$release_count = 0;

foreach ( $changelog as $changelog_line ) {
			if ( strpos( $changelog_line, '**Changes:**' ) !== false || empty( $changelog_line ) ) {
				continue;
			}
			if ( substr( ltrim( $changelog_line ), 0, 3 ) === '###' ) {
				$release_count ++;

preg_match( '/[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/', $changelog_line, $found_v );
				preg_match( '/[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}/', $changelog_line, $found_d );
				$releases[ $release_count ] = array(
					'version' => $found_v[0],
					'date'    => $found_d[0],
				);
				continue;
			}
			if ( preg_match( '/[*|-]?\s?(\[fix]|\[Fix]|fix|Fix)[:]?\s?(\b|(?=\[))/', $changelog_line ) ) {
				$changelog_line                        = preg_replace( '/[*|-]?\s?(\[fix]|\[Fix]|fix|Fix)[:]?\s?(\b|(?=\[))/', '', $changelog_line );
				$releases[ $release_count ]['fixes'][] = $this->parse_md_and_clean( $changelog_line );
				continue;
			}

if ( preg_match( '/[*|-]?\s?(\[feat]|\[Feat]|feat|Feat)[:]?\s?(\b|(?=\[))/', $changelog_line ) ) {
				$changelog_line                           = preg_replace( '/[*|-]?\s?(\[feat]|\[Feat]|feat|Feat)[:]?\s?(\b|(?=\[))/', '', $changelog_line );
				$releases[ $release_count ]['features'][] = $this->parse_md_and_clean( $changelog_line );
				continue;
			}

$changelog_line = $this->parse_md_and_clean( $changelog_line );

if ( empty( $changelog_line ) ) {
				continue;
			}

$releases[ $release_count ]['tweaks'][] = $changelog_line;
		}

return array_values( $releases );
	}

/**
	 * Parse markdown links and cleanup string.
	 *
	 * @param string $string changelog line.
	 *
	 * @return string
	 */
	private function parse_md_and_clean( $string ) {
		// Drop spaces, starting lines | asterisks.
		$string = trim( $string );
		$string = ltrim( $string, '*' );
		$string = ltrim( $string, '-' );

// Replace markdown links with <a> tags.
		$string = preg_replace_callback(
			'/\[(.*?)]$(.*?)$/',
			function ( $matches ) {
				return '<a href="' . $matches[2] . '" target="_blank" rel="noopener"><i class="dashicons dashicons-external"></i>' . $matches[1] . '</a>';
			},
			htmlspecialchars( $string )
		);

return $string;
	}
}

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