khaihihi
This commit is contained in:
KhaiNguyen
@@ -0,0 +1,280 @@
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<?php
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if ( ! defined( 'ABSPATH' ) ) {
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die( '-1' );
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}
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/**
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* Class VcShortcodeAutoloader
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*/
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class VcShortcodeAutoloader {
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private static $instance = null;
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private static $config = null;
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private static $cached = null;
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/**
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* @param bool $load_config
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* @return \VcShortcodeAutoloader|null
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*/
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public static function getInstance( $load_config = true ) {
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if ( null === self::$instance ) {
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self::$instance = new VcShortcodeAutoloader( $load_config );
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}
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return self::$instance;
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}
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/**
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* VcShortcodeAutoloader constructor.
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* @param bool $load_config
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*/
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private function __construct( $load_config = true ) {
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if ( ! $load_config ) {
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return;
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}
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$config = array(
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'classmap_file' => vc_path_dir( 'APP_ROOT', 'vc_classmap.json.php' ),
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'shortcodes_dir' => vc_path_dir( 'SHORTCODES_DIR' ),
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'root_dir' => vc_path_dir( 'APP_ROOT' ),
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);
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if ( is_file( $config['classmap_file'] ) ) {
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$config['classmap'] = require $config['classmap_file'];
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self::$cached = true;
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} else {
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$config['classmap'] = self::generateClassMap( $config['shortcodes_dir'] );
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self::$cached = false;
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}
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self::$config = $config;
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}
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/**
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* Include class dependencies
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*
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* @param string $class Class name
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*
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* @return string[] Included (if any) files
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*/
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public static function includeClass( $class ) {
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// call the constructor (php 7.4 compat)
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self::getInstance();
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$class = strtolower( $class );
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$files = array();
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if ( self::$config['classmap'] ) {
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$files = isset( self::$config['classmap'][ $class ] ) ? self::$config['classmap'][ $class ] : array();
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}
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if ( $files ) {
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foreach ( $files as $k => $file ) {
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if ( self::$cached ) {
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$files[ $k ] = $file = self::$config['root_dir'] . DIRECTORY_SEPARATOR . $file;
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}
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if ( is_file( $file ) ) {
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require_once $file;
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}
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}
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}
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return $files;
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}
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/**
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* Find all classes defined in file
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*
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* @param string $file Full path to file
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*
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* @return string[]
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*/
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public static function extractClassNames( $file ) {
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$classes = array();
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// @codingStandardsIgnoreLine
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$contents = file_get_contents( $file );
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if ( ! $contents ) {
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return $classes;
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}
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$tokens = token_get_all( $contents );
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$class_token = false;
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foreach ( $tokens as $token ) {
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if ( is_array( $token ) ) {
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if ( T_CLASS === $token[0] ) {
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$class_token = true;
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} elseif ( $class_token && T_STRING === $token[0] ) {
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$classes[] = $token[1];
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$class_token = false;
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}
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}
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}
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return $classes;
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}
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/**
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* Extract all classes from file with their extends
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*
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* @param $file
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*
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* @return array Associative array where key is class name and value is parent class name (if any))
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*/
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public static function extractClassesAndExtends( $file ) {
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$classes = array();
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// @codingStandardsIgnoreLine
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$contents = file_get_contents( $file );
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if ( ! $contents ) {
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return $classes;
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}
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// class Foo extends Bar {
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preg_match_all( '/class\s+(\w+)\s+extends\s(\w+)\s+\{/i', $contents, $matches, PREG_SET_ORDER );
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foreach ( $matches as $v ) {
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$classes[ $v[1] ] = $v[2];
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}
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// class Foo {
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preg_match_all( '/class\s+(\w+)\s+\{/i', $contents, $matches, PREG_SET_ORDER );
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foreach ( $matches as $v ) {
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$classes[ $v[1] ] = null;
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}
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return $classes;
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}
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/**
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* Find file by class name
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*
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* Search is case-insensitive
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*
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* @param string $class
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* @param string[]|string $dirs One or more directories where to look (recursive)
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*
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* @return string|false Full path to class file
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*/
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public static function findClassFile( $class, $dirs ) {
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foreach ( (array) $dirs as $dir ) {
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$Directory = new RecursiveDirectoryIterator( $dir );
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$Iterator = new RecursiveIteratorIterator( $Directory );
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$Regex = new RegexIterator( $Iterator, '/^.+\.php$/i', RecursiveRegexIterator::GET_MATCH );
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$class = strtolower( $class );
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foreach ( $Regex as $file => $object ) {
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$classes = self::extractClassNames( $file );
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if ( $classes && in_array( $class, array_map( 'strtolower', $classes ), true ) ) {
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return $file;
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}
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}
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}
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return false;
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}
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/**
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* Construct full dependency list of classes for each class in right order (including class itself)
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*
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* @param string[]|string $dirs Directories where to look (recursive)
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*
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* @return array Associative array where key is lowercase class name and value is array of files to include for
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* that class to work
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*/
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public static function generateClassMap( $dirs ) {
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$flat_map = array();
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foreach ( (array) $dirs as $dir ) {
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$Directory = new RecursiveDirectoryIterator( $dir );
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$Iterator = new RecursiveIteratorIterator( $Directory );
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$Regex = new RegexIterator( $Iterator, '/^.+\.php$/i', RecursiveRegexIterator::GET_MATCH );
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foreach ( $Regex as $file => $object ) {
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$classes = self::extractClassesAndExtends( $file );
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foreach ( $classes as $class => $extends ) {
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$class = strtolower( $class );
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$extends = strtolower( $extends );
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if ( in_array( $extends, array(
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'wpbakeryshortcodescontainer',
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'wpbakeryvisualcomposer',
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'wpbakeryshortcode',
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'wpbmap',
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), true ) ) {
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$extends = null;
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}
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$flat_map[ $class ] = array(
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'class' => $class,
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'file' => $file,
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'extends' => $extends,
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);
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}
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}
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}
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$map = array();
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foreach ( $flat_map as $params ) {
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$dependencies = array(
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array(
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'class' => $params['class'],
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'file' => $params['file'],
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),
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);
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if ( $params['extends'] ) {
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$queue = array( $params['extends'] );
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while ( $queue ) {
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$current_class = array_pop( $queue );
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$current_class = $flat_map[ $current_class ];
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$dependencies[] = array(
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'class' => $current_class['class'],
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'file' => $current_class['file'],
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);
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if ( ! empty( $current_class['extends'] ) ) {
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$queue[] = $current_class['extends'];
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}
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}
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$map[ $params['class'] ] = array_reverse( $dependencies );
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} else {
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$map[ $params['class'] ] = $dependencies;
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}
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}
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// simplify array
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$classmap = array();
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foreach ( $map as $class => $dependencies ) {
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$classmap[ $class ] = array();
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foreach ( $dependencies as $v ) {
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$classmap[ $class ][] = str_replace( '\\', '/', $v['file'] );
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}
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}
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return $classmap;
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}
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/**
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* Regenerate and save class map file
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*
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* @param string[]|string $dirs Directories where to look (recursive)
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* @param string $target Output file
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*
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* @return bool
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*/
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public static function saveClassMap( $dirs, $target ) {
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if ( ! $target ) {
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return false;
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}
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$classmap = self::generateClassMap( $dirs );
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// @codingStandardsIgnoreLine
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$code = '<?php return (array) json_decode(\'' . json_encode( $classmap ) . '\') ?>';
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// @codingStandardsIgnoreLine
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return (bool) file_put_contents( $target, $code );
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}
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}
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