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Dynamic (non-explicitly declared) properties are deprecated as of PHP 8.2 and are expected to become a fatal error in PHP 9.0. There are a number of ways to mitigate this: * If it is an accidental typo for a declared property: fix the typo. * For known properties: declare them on the class. * For unknown properties: add the magic `__get()`, `__set()`, et al. methods to the class or let the class extend `stdClass` which has highly optimized versions of these magic methods built in. * For unknown ''use'' of dynamic properties, the `#[AllowDynamicProperties]` attribute can be added to the class. The attribute will automatically be inherited by child classes. Trac ticket #56034 is open to investigate and handle the third and fourth type of situations, however it has become clear this will need more time and will not be ready in time for WP 6.1. To reduce “noise” in the meantime, both in the error logs of WP users moving onto PHP 8.2, in the test run logs of WP itself, in test runs of plugins and themes, as well as to prevent duplicate tickets from being opened for the same issue, this commit adds the `#[AllowDynamicProperties]` attribute to all “parent” classes in WP. The logic used for this commit is as follows: * If a class already has the attribute: no action needed. * If a class does not `extend`: add the attribute. * If a class does `extend`: - If it extends `stdClass`: no action needed (as `stdClass` supports dynamic properties). - If it extends a PHP native class: add the attribute. - If it extends a class from one of WP's external dependencies: add the attribute. * In all other cases: no action — the attribute should not be needed as child classes inherit from the parent. Whether or not a class contains magic methods has not been taken into account, as a review of the currently existing magic methods has shown that those are generally not sturdy enough and often even set dynamic properties (which they should not). See the [https://www.youtube.com/watch?v=vDZWepDQQVE live stream from August 16, 2022] for more details. This commit only affects classes in the `src` directory of WordPress core. * Tests should not get this attribute, but should be fixed to not use dynamic properties instead. Patches for this are already being committed under ticket #56033. * While a number bundled themes (2014, 2019, 2020, 2021) contain classes, they are not a part of this commit and may be updated separately. Reference: [https://wiki.php.net/rfc/deprecate_dynamic_properties PHP RFC: Deprecate dynamic properties]. Follow-up to [53922]. Props jrf, hellofromTonya, markjaquith, peterwilsoncc, costdev, knutsp, aristath. See #56513, #56034. Built from https://develop.svn.wordpress.org/trunk@54133 git-svn-id: http://core.svn.wordpress.org/trunk@53692 1a063a9b-81f0-0310-95a4-ce76da25c4cd
363 lines
7.7 KiB
PHP
363 lines
7.7 KiB
PHP
<?php
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/**
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* Classes, which help reading streams of data from files.
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* Based on the classes from Danilo Segan <danilo@kvota.net>
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*
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* @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
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* @package pomo
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* @subpackage streams
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*/
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if ( ! class_exists( 'POMO_Reader', false ) ) :
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#[AllowDynamicProperties]
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class POMO_Reader {
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public $endian = 'little';
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public $_pos;
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public $is_overloaded;
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/**
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* PHP5 constructor.
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*/
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public function __construct() {
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if ( function_exists( 'mb_substr' )
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&& ( (int) ini_get( 'mbstring.func_overload' ) & 2 ) // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated
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) {
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$this->is_overloaded = true;
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} else {
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$this->is_overloaded = false;
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}
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$this->_pos = 0;
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}
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/**
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* PHP4 constructor.
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*
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* @deprecated 5.4.0 Use __construct() instead.
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*
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* @see POMO_Reader::__construct()
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*/
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public function POMO_Reader() {
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_deprecated_constructor( self::class, '5.4.0', static::class );
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self::__construct();
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}
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/**
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* Sets the endianness of the file.
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*
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* @param string $endian Set the endianness of the file. Accepts 'big', or 'little'.
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*/
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public function setEndian( $endian ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
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$this->endian = $endian;
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}
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/**
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* Reads a 32bit Integer from the Stream
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*
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* @return mixed The integer, corresponding to the next 32 bits from
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* the stream of false if there are not enough bytes or on error
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*/
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public function readint32() {
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$bytes = $this->read( 4 );
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if ( 4 != $this->strlen( $bytes ) ) {
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return false;
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}
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$endian_letter = ( 'big' === $this->endian ) ? 'N' : 'V';
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$int = unpack( $endian_letter, $bytes );
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return reset( $int );
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}
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/**
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* Reads an array of 32-bit Integers from the Stream
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*
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* @param int $count How many elements should be read
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* @return mixed Array of integers or false if there isn't
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* enough data or on error
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*/
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public function readint32array( $count ) {
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$bytes = $this->read( 4 * $count );
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if ( 4 * $count != $this->strlen( $bytes ) ) {
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return false;
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}
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$endian_letter = ( 'big' === $this->endian ) ? 'N' : 'V';
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return unpack( $endian_letter . $count, $bytes );
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}
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/**
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* @param string $string
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* @param int $start
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* @param int $length
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* @return string
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*/
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public function substr( $string, $start, $length ) {
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if ( $this->is_overloaded ) {
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return mb_substr( $string, $start, $length, 'ascii' );
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} else {
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return substr( $string, $start, $length );
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}
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}
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/**
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* @param string $string
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* @return int
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*/
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public function strlen( $string ) {
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if ( $this->is_overloaded ) {
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return mb_strlen( $string, 'ascii' );
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} else {
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return strlen( $string );
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}
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}
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/**
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* @param string $string
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* @param int $chunk_size
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* @return array
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*/
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public function str_split( $string, $chunk_size ) {
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if ( ! function_exists( 'str_split' ) ) {
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$length = $this->strlen( $string );
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$out = array();
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for ( $i = 0; $i < $length; $i += $chunk_size ) {
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$out[] = $this->substr( $string, $i, $chunk_size );
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}
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return $out;
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} else {
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return str_split( $string, $chunk_size );
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}
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}
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/**
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* @return int
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*/
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public function pos() {
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return $this->_pos;
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}
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/**
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* @return true
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*/
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public function is_resource() {
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return true;
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}
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/**
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* @return true
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*/
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public function close() {
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return true;
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}
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}
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endif;
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if ( ! class_exists( 'POMO_FileReader', false ) ) :
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class POMO_FileReader extends POMO_Reader {
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/**
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* File pointer resource.
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*
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* @var resource|false
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*/
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public $_f;
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/**
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* @param string $filename
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*/
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public function __construct( $filename ) {
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parent::__construct();
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$this->_f = fopen( $filename, 'rb' );
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}
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/**
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* PHP4 constructor.
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*
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* @deprecated 5.4.0 Use __construct() instead.
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*
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* @see POMO_FileReader::__construct()
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*/
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public function POMO_FileReader( $filename ) {
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_deprecated_constructor( self::class, '5.4.0', static::class );
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self::__construct( $filename );
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}
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/**
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* @param int $bytes
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* @return string|false Returns read string, otherwise false.
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*/
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public function read( $bytes ) {
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return fread( $this->_f, $bytes );
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}
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/**
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* @param int $pos
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* @return bool
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*/
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public function seekto( $pos ) {
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if ( -1 == fseek( $this->_f, $pos, SEEK_SET ) ) {
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return false;
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}
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$this->_pos = $pos;
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return true;
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}
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/**
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* @return bool
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*/
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public function is_resource() {
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return is_resource( $this->_f );
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}
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/**
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* @return bool
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*/
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public function feof() {
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return feof( $this->_f );
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}
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/**
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* @return bool
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*/
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public function close() {
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return fclose( $this->_f );
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}
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/**
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* @return string
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*/
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public function read_all() {
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return stream_get_contents( $this->_f );
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}
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}
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endif;
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if ( ! class_exists( 'POMO_StringReader', false ) ) :
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/**
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* Provides file-like methods for manipulating a string instead
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* of a physical file.
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*/
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class POMO_StringReader extends POMO_Reader {
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public $_str = '';
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/**
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* PHP5 constructor.
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*/
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public function __construct( $str = '' ) {
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parent::__construct();
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$this->_str = $str;
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$this->_pos = 0;
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}
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/**
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* PHP4 constructor.
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*
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* @deprecated 5.4.0 Use __construct() instead.
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*
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* @see POMO_StringReader::__construct()
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*/
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public function POMO_StringReader( $str = '' ) {
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_deprecated_constructor( self::class, '5.4.0', static::class );
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self::__construct( $str );
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}
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/**
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* @param string $bytes
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* @return string
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*/
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public function read( $bytes ) {
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$data = $this->substr( $this->_str, $this->_pos, $bytes );
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$this->_pos += $bytes;
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if ( $this->strlen( $this->_str ) < $this->_pos ) {
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$this->_pos = $this->strlen( $this->_str );
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}
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return $data;
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}
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/**
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* @param int $pos
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* @return int
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*/
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public function seekto( $pos ) {
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$this->_pos = $pos;
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if ( $this->strlen( $this->_str ) < $this->_pos ) {
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$this->_pos = $this->strlen( $this->_str );
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}
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return $this->_pos;
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}
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/**
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* @return int
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*/
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public function length() {
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return $this->strlen( $this->_str );
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}
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/**
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* @return string
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*/
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public function read_all() {
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return $this->substr( $this->_str, $this->_pos, $this->strlen( $this->_str ) );
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}
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}
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endif;
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if ( ! class_exists( 'POMO_CachedFileReader', false ) ) :
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/**
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* Reads the contents of the file in the beginning.
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*/
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class POMO_CachedFileReader extends POMO_StringReader {
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/**
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* PHP5 constructor.
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*/
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public function __construct( $filename ) {
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parent::__construct();
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$this->_str = file_get_contents( $filename );
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if ( false === $this->_str ) {
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return false;
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}
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$this->_pos = 0;
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}
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/**
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* PHP4 constructor.
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*
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* @deprecated 5.4.0 Use __construct() instead.
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*
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* @see POMO_CachedFileReader::__construct()
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*/
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public function POMO_CachedFileReader( $filename ) {
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_deprecated_constructor( self::class, '5.4.0', static::class );
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self::__construct( $filename );
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}
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}
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endif;
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if ( ! class_exists( 'POMO_CachedIntFileReader', false ) ) :
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/**
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* Reads the contents of the file in the beginning.
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*/
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class POMO_CachedIntFileReader extends POMO_CachedFileReader {
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/**
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* PHP5 constructor.
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*/
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public function __construct( $filename ) {
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parent::__construct( $filename );
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}
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/**
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* PHP4 constructor.
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*
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* @deprecated 5.4.0 Use __construct() instead.
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*
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* @see POMO_CachedIntFileReader::__construct()
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*/
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public function POMO_CachedIntFileReader( $filename ) {
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_deprecated_constructor( self::class, '5.4.0', static::class );
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self::__construct( $filename );
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}
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}
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endif;
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