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функция не описана

getID3::__construct() public WP 1.0

Это метод класса: getID3{}

Хуков нет.

Возвращает

Null. Ничего.

Использование

$getID3 = new getID3();
$getID3->__construct();

Код getID3::__construct() WP 5.5.1

wp-includes/ID3/getid3.php
<?php
public function __construct() {

	// Check for PHP version
	$required_php_version = '5.3.0';
	if (version_compare(PHP_VERSION, $required_php_version, '<')) {
		$this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION."\n";
		return;
	}

	// Check memory
	$memoryLimit = ini_get('memory_limit');
	if (preg_match('#([0-9]+) ?M#i', $memoryLimit, $matches)) {
		// could be stored as "16M" rather than 16777216 for example
		$memoryLimit = $matches[1] * 1048576;
	} elseif (preg_match('#([0-9]+) ?G#i', $memoryLimit, $matches)) { // The 'G' modifier is available since PHP 5.1.0
		// could be stored as "2G" rather than 2147483648 for example
		$memoryLimit = $matches[1] * 1073741824;
	}
	$this->memory_limit = $memoryLimit;

	if ($this->memory_limit <= 0) {
		// memory limits probably disabled
	} elseif ($this->memory_limit <= 4194304) {
		$this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'."\n";
	} elseif ($this->memory_limit <= 12582912) {
		$this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini'."\n";
	}

	// Check safe_mode off
	if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.safe_modeDeprecatedRemoved
		$this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.');
	}

	// phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated
	if (($mbstring_func_overload = (int) ini_get('mbstring.func_overload')) && ($mbstring_func_overload & 0x02)) {
		// http://php.net/manual/en/mbstring.overload.php
		// "mbstring.func_overload in php.ini is a positive value that represents a combination of bitmasks specifying the categories of functions to be overloaded. It should be set to 1 to overload the mail() function. 2 for string functions, 4 for regular expression functions"
		// getID3 cannot run when string functions are overloaded. It doesn't matter if mail() or ereg* functions are overloaded since getID3 does not use those.
		// phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated
		$this->startup_error .= 'WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", getID3 cannot run with this setting (bitmask 2 (string functions) cannot be set). Recommended to disable entirely.'."\n";
	}

	// check for magic quotes in PHP < 7.4.0 (when these functions became deprecated)
	if (version_compare(PHP_VERSION, '7.4.0', '<')) {
		// Check for magic_quotes_runtime
		if (function_exists('get_magic_quotes_runtime')) {
			// phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.get_magic_quotes_runtimeDeprecated
			if (get_magic_quotes_runtime()) {
				$this->startup_error .= 'magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).'."\n";
			}
		}
		// Check for magic_quotes_gpc
		if (function_exists('get_magic_quotes_gpc')) {
			// phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.get_magic_quotes_gpcDeprecated
			if (get_magic_quotes_gpc()) {
				$this->startup_error .= 'magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).'."\n";
			}
		}
	}

	// Load support library
	if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
		$this->startup_error .= 'getid3.lib.php is missing or corrupt'."\n";
	}

	if ($this->option_max_2gb_check === null) {
		$this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647);
	}


	// Needed for Windows only:
	// Define locations of helper applications for Shorten, VorbisComment, MetaFLAC
	//   as well as other helper functions such as head, etc
	// This path cannot contain spaces, but the below code will attempt to get the
	//   8.3-equivalent path automatically
	// IMPORTANT: This path must include the trailing slash
	if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) {

		$helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path

		if (!is_dir($helperappsdir)) {
			$this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'."\n";
		} elseif (strpos(realpath($helperappsdir), ' ') !== false) {
			$DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir));
			$path_so_far = array();
			foreach ($DirPieces as $key => $value) {
				if (strpos($value, ' ') !== false) {
					if (!empty($path_so_far)) {
						$commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far));
						$dir_listing = `$commandline`;
						$lines = explode("\n", $dir_listing);
						foreach ($lines as $line) {
							$line = trim($line);
							if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) {
								list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches;
								if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) {
									$value = $shortname;
								}
							}
						}
					} else {
						$this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.'."\n";
					}
				}
				$path_so_far[] = $value;
			}
			$helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far);
		}
		define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR);
	}

	if (!empty($this->startup_error)) {
		echo $this->startup_error;
		throw new getid3_exception($this->startup_error);
	}
}