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55 lines
1.5 KiB
55 lines
1.5 KiB
9 months ago
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<?php
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/**
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* Autoload plugin classes.
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*/
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class RWMB_Autoloader {
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protected $dirs = [];
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/**
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* Adds a base directory for a class name prefix and/or suffix.
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*
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* @param string $dir A base directory for class files.
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* @param string $prefix The class name prefix.
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* @param string $suffix The class name suffix.
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*/
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public function add( string $dir, string $prefix, string $suffix = '' ) {
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$this->dirs[] = [
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'dir' => trailingslashit( $dir ),
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'prefix' => $prefix,
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'suffix' => $suffix,
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];
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}
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public function register() {
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spl_autoload_register( [ $this, 'autoload' ] );
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}
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public function autoload( string $class_name ) {
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foreach ( $this->dirs as $dir ) {
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if (
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( $dir['prefix'] && ! str_starts_with( $class_name, $dir['prefix'] ) )
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|| ( $dir['suffix'] && ! str_ends_with( $class_name, $dir['suffix'] ) )
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) {
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continue;
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}
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$file = substr( $class_name, strlen( $dir['prefix'] ) );
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if ( $dir['suffix'] && strlen( $file ) > strlen( $dir['suffix'] ) ) {
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$file = substr( $file, 0, - strlen( $dir['suffix'] ) );
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}
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if ( function_exists( 'mb_strtolower' ) && function_exists( 'mb_detect_encoding' ) ) {
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$file = mb_strtolower( str_replace( '_', '-', $file ), mb_detect_encoding( $file ) ) . '.php';
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} else {
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$file = strtolower( str_replace( '_', '-', $file ) ) . '.php';
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}
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$file = $dir['dir'] . $file;
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$this->require( $file );
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}
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}
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private function require( string $file ) {
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if ( file_exists( $file ) ) {
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require_once $file;
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}
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}
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}
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