88 lines
2.2 KiB
PHP
88 lines
2.2 KiB
PHP
<?php
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//
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// FPDI - Version 1.1
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//
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// Copyright 2004,2005 Setasign - Jan Slabon
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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if (!defined("PHP_VER_LOWER43"))
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define("PHP_VER_LOWER43", version_compare(PHP_VERSION, "4.3", "<"));
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/**
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* ensure that strspn works correct if php-version < 4.3
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*/
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function _strspn($str1, $str2, $start=null, $length=null) {
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$numargs = func_num_args();
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if (PHP_VER_LOWER43 == 1) {
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if (isset($length)) {
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$str1 = substr($str1, $start, $length);
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} else {
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$str1 = substr($str1, $start);
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}
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}
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if ($numargs == 2 || PHP_VER_LOWER43 == 1) {
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return strspn($str1, $str2);
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} else if ($numargs == 3) {
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return strspn($str1, $str2, $start);
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} else {
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return strspn($str1, $str2, $start, $length);
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}
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}
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/**
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* ensure that strcspn works correct if php-version < 4.3
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*/
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function _strcspn($str1, $str2, $start=null, $length=null) {
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$numargs = func_num_args();
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if (PHP_VER_LOWER43 == 1) {
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if (isset($length)) {
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$str1 = substr($str1, $start, $length);
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} else {
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$str1 = substr($str1, $start);
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}
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}
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if ($numargs == 2 || PHP_VER_LOWER43 == 1) {
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return strcspn($str1, $str2);
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} else if ($numargs == 3) {
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return strcspn($str1, $str2, $start);
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} else {
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return strcspn($str1, $str2, $start, $length);
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}
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}
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/**
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* ensure that fgets works correct if php-version < 4.3
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*/
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function _fgets (&$h, $force=false) {
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$startpos = ftell($h);
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$s = fgets($h, 1024);
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if ((PHP_VER_LOWER43 == 1 || $force) && preg_match("/^([^\r\n]*[\r\n]{1,2})(.)/",trim($s), $ns)) {
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$s = $ns[1];
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fseek($h,$startpos+strlen($s));
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}
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return $s;
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}
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?>
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