← All changes | vendor/jetpack-autoloader/class-latest-autoloader-guard.php +165 -0 16.2-beta → 16.3 View file →

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	1	+<?php
	2	+/**
	3	+ * This file was automatically generated by automattic/jetpack-autoloader.
	4	+ *
	5	+ * @package automattic/jetpack-autoloader
	6	+ */
	7	+
	8	+namespace Automattic\Jetpack\Autoloader\jpf11009ded9fc4592b6a05b61ce272b3c_jetpackⓥ16_3\al6_0_1;
	9	+
	10	+ // phpcs:ignore
	11	+
	12	+/**
	13	+ * This class ensures that we're only executing the latest autoloader.
	14	+ */
	15	+class Latest_Autoloader_Guard {
	16	+
	17	+ /**
	18	+ * The Plugins_Handler instance.
	19	+ *
	20	+ * @var Plugins_Handler
	21	+ */
	22	+ private $plugins_handler;
	23	+
	24	+ /**
	25	+ * The Autoloader_Handler instance.
	26	+ *
	27	+ * @var Autoloader_Handler
	28	+ */
	29	+ private $autoloader_handler;
	30	+
	31	+ /**
	32	+ * The Autoloader_locator instance.
	33	+ *
	34	+ * @var Autoloader_Locator
	35	+ */
	36	+ private $autoloader_locator;
	37	+
	38	+ /**
	39	+ * The constructor.
	40	+ *
	41	+ * @param Plugins_Handler $plugins_handler The Plugins_Handler instance.
	42	+ * @param Autoloader_Handler $autoloader_handler The Autoloader_Handler instance.
	43	+ * @param Autoloader_Locator $autoloader_locator The Autoloader_Locator instance.
	44	+ */
	45	+ public function __construct( $plugins_handler, $autoloader_handler, $autoloader_locator ) {
	46	+ $this->plugins_handler = $plugins_handler;
	47	+ $this->autoloader_handler = $autoloader_handler;
	48	+ $this->autoloader_locator = $autoloader_locator;
	49	+ }
	50	+
	51	+ /**
	52	+ * Indicates whether or not the autoloader should be initialized. Note that this function
	53	+ * has the side-effect of actually loading the latest autoloader in the event that this
	54	+ * is not it.
	55	+ *
	56	+ * @param string $current_plugin The current plugin we're checking.
	57	+ * @param string[] $plugins The active plugins to check for autoloaders in.
	58	+ * @param bool $was_included_by_autoloader Indicates whether or not this autoloader was included by another.
	59	+ *
	60	+ * @return bool True if we should stop initialization, otherwise false.
	61	+ */
	62	+ public function should_stop_init( $current_plugin, $plugins, $was_included_by_autoloader ) {
	63	+ global $jetpack_autoloader_latest_version;
	64	+
	65	+ // We need to reset the autoloader when the plugins change because
	66	+ // that means the autoloader was generated with a different list.
	67	+ if ( $this->plugins_handler->have_plugins_changed( $plugins ) ) {
	68	+ $this->autoloader_handler->reset_autoloader();
	69	+ }
	70	+
	71	+ // When the latest autoloader has already been found we don't need to search for it again.
	72	+ // We should take care however because this will also trigger if the autoloader has been
	73	+ // included by an older one.
	74	+ if ( isset( $jetpack_autoloader_latest_version ) && ! $was_included_by_autoloader ) {
	75	+ return true;
	76	+ }
	77	+
	78	+ $latest_plugin = $this->autoloader_locator->find_latest_autoloader( $plugins, $jetpack_autoloader_latest_version );
	79	+ if ( isset( $latest_plugin ) && $latest_plugin !== $current_plugin ) {
	80	+ require $this->autoloader_locator->get_autoloader_path( $latest_plugin );
	81	+ return true;
	82	+ }
	83	+
	84	+ return false;
	85	+ }
	86	+
	87	+ /**
	88	+ * Check for conflicting autoloaders.
	89	+ *
	90	+ * A common source of strange and confusing problems is when another plugin
	91	+ * registers a Composer autoloader at a higher priority that us. If enabled,
	92	+ * check for this problem and warn about it.
	93	+ *
	94	+ * Called from the plugins_loaded hook.
	95	+ *
	96	+ * @since 3.1.0
	97	+ * @return void
	98	+ */
	99	+ public function check_for_conflicting_autoloaders() {
	100	+ if ( ! defined( 'JETPACK_AUTOLOAD_DEBUG_CONFLICTING_LOADERS' ) || ! JETPACK_AUTOLOAD_DEBUG_CONFLICTING_LOADERS ) {
	101	+ return;
	102	+ }
	103	+
	104	+ global $jetpack_autoloader_loader;
	105	+ if ( ! isset( $jetpack_autoloader_loader ) ) {
	106	+ return;
	107	+ }
	108	+ $prefixes = array();
	109	+ foreach ( ( $jetpack_autoloader_loader->get_class_map() ?? array() ) as $classname => $data ) {
	110	+ $parts = explode( '\\', trim( $classname, '\\' ) );
	111	+ array_pop( $parts );
	112	+ while ( $parts ) {
	113	+ $prefixes[ implode( '\\', $parts ) . '\\' ] = true;
	114	+ array_pop( $parts );
	115	+ }
	116	+ }
	117	+ foreach ( ( $jetpack_autoloader_loader->get_psr4_map() ?? array() ) as $prefix => $data ) {
	118	+ $parts = explode( '\\', trim( $prefix, '\\' ) );
	119	+ while ( $parts ) {
	120	+ $prefixes[ implode( '\\', $parts ) . '\\' ] = true;
	121	+ array_pop( $parts );
	122	+ }
	123	+ }
	124	+
	125	+ $autoload_chain = spl_autoload_functions();
	126	+ if ( ! $autoload_chain ) {
	127	+ return;
	128	+ }
	129	+
	130	+ foreach ( $autoload_chain as $autoloader ) {
	131	+ // No need to check anything after us.
	132	+ if ( is_array( $autoloader ) && is_string( $autoloader[0] ) && substr( $autoloader[0], 0, strlen( __NAMESPACE__ ) + 1 ) === __NAMESPACE__ . '\\' ) {
	133	+ break;
	134	+ }
	135	+
	136	+ // We can check Composer autoloaders easily enough.
	137	+ if ( is_array( $autoloader ) && $autoloader[0] instanceof \Composer\Autoload\ClassLoader && is_callable( array( $autoloader[0], 'getPrefixesPsr4' ) ) ) {
	138	+ $composer_autoloader = $autoloader[0];
	139	+ foreach ( $composer_autoloader->getClassMap() as $classname => $path ) {
	140	+ if ( $jetpack_autoloader_loader->find_class_file( $classname ) ) {
	141	+ $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the classes we handle (e.g. $classname => $path). This may cause strange and confusing problems.";
	142	+ wp_trigger_error( '', $msg );
	143	+ continue 2;
	144	+ }
	145	+ }
	146	+ foreach ( $composer_autoloader->getPrefixesPsr4() as $prefix => $paths ) {
	147	+ if ( isset( $prefixes[ $prefix ] ) ) {
	148	+ $path = array_pop( $paths );
	149	+ $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the namespaces we handle (e.g. $prefix => $path). This may cause strange and confusing problems.";
	150	+ wp_trigger_error( '', $msg );
	151	+ continue 2;
	152	+ }
	153	+ }
	154	+ foreach ( $composer_autoloader->getPrefixes() as $prefix => $paths ) {
	155	+ if ( isset( $prefixes[ $prefix ] ) ) {
	156	+ $path = array_pop( $paths );
	157	+ $msg = "A Composer autoloader is registered with a higher priority than the Jetpack Autoloader and would also handle some of the namespaces we handle (e.g. $prefix => $path). This may cause strange and confusing problems.";
	158	+ wp_trigger_error( '', $msg );
	159	+ continue 2;
	160	+ }
	161	+ }
	162	+ }
	163	+ }
	164	+ }
	165	+}