library/smarty/libs/sysplugins/smarty_internal_compile_private_php.php
author Markus Bröker <broeker.markus@googlemail.com>
Fri, 13 Nov 2015 22:28:59 +0100
changeset 21 4d61a248fd41
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permissions -rw-r--r--
Anpassungen nach der Live-Stellung
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/**
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 * Smarty Internal Plugin Compile PHP Expression
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 * Compiles any tag which will output an expression or variable
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 * @author     Uwe Tews
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 */
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/**
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 * Smarty Internal Plugin Compile PHP Expression Class
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Private_Php extends Smarty_Internal_CompileBase {
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $required_attributes = array('code', 'type');
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    /**
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     * Compiles code for generating output from any expression
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     *
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     * @param array $args array with attributes from parser
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     * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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     * @param array $parameter array with compilation parameter
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     *
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     * @return string
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     * @throws \SmartyException
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     */
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    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        $compiler->has_code = false;
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        if ($_attr['type'] == 'xml') {
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            $compiler->tag_nocache = true;
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            $save = $compiler->template->has_nocache_code;
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            $output = addcslashes($_attr['code'], "'\\");
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            $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $compiler->processNocacheCode("<?php echo '" . $output . "';?>", $compiler, true)));
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            $compiler->template->has_nocache_code = $save;
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            return '';
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        }
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        if ($_attr['type'] != 'tag') {
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            if ($compiler->php_handling == Smarty::PHP_REMOVE) {
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                return '';
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            } elseif ($compiler->php_handling == Smarty::PHP_QUOTE) {
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                $output = preg_replace_callback('#(<\?(?:php|=)?)|(<%)|(<script\s+language\s*=\s*["\']?\s*php\s*["\']?\s*>)|(\?>)|(%>)|(<\/script>)#i', array($this,
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                    'quote'), $_attr['code']);
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                $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Text($compiler->parser, $output));
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                return '';
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            } elseif ($compiler->php_handling == Smarty::PHP_PASSTHRU || $_attr['type'] == 'unmatched') {
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                $compiler->tag_nocache = true;
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                $save = $compiler->template->has_nocache_code;
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                $output = addcslashes($_attr['code'], "'\\");
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                $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $compiler->processNocacheCode("<?php echo '" . $output . "';?>", $compiler, true)));
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                $compiler->template->has_nocache_code = $save;
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                return '';
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            } elseif ($compiler->php_handling == Smarty::PHP_ALLOW) {
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                if (!($compiler->smarty instanceof SmartyBC)) {
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                    $compiler->trigger_template_error('$smarty->php_handling PHP_ALLOW not allowed. Use SmartyBC to enable it', $compiler->lex->taglineno);
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                }
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                $compiler->has_code = true;
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                return $_attr['code'];
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            } else {
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                $compiler->trigger_template_error('Illegal $smarty->php_handling value', $compiler->lex->taglineno);
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            }
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        } else {
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            $compiler->has_code = true;
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            if (!($compiler->smarty instanceof SmartyBC)) {
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                $compiler->trigger_template_error('{php}[/php} tags not allowed. Use SmartyBC to enable them', $compiler->lex->taglineno);
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            }
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            $ldel = preg_quote($compiler->smarty->left_delimiter, '#');
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            $rdel = preg_quote($compiler->smarty->right_delimiter, '#');
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            preg_match("#^({$ldel}php\\s*)((.)*?)({$rdel})#", $_attr['code'], $match);
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            if (!empty($match[2])) {
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                if ('nocache' == trim($match[2])) {
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                    $compiler->tag_nocache = true;
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                } else {
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                    $compiler->trigger_template_error("illegal value of option flag \"{$match[2]}\"", $compiler->lex->taglineno);
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                }
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            }
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            return preg_replace(array("#^{$ldel}\\s*php\\s*(.)*?{$rdel}#",
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                "#{$ldel}\\s*/\\s*php\\s*{$rdel}$#"), array('<?php ', '?>'), $_attr['code']);
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        }
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    }
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    /**
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     * Lexer code for PHP tags
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     *
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     * This code has been moved from lexer here fo easier debugging and maintenance
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     *
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     * @param $lex
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     */
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    public function parsePhp($lex) {
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        $lex->token = Smarty_Internal_Templateparser::TP_PHP;
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        $close = 0;
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        $lex->taglineno = $lex->line;
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        $closeTag = '?>';
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        if (strpos($lex->value, '<?xml') === 0) {
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            $lex->is_xml = true;
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            $lex->token = Smarty_Internal_Templateparser::TP_NOCACHE;
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            return;
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        } elseif (strpos($lex->value, '<?') === 0) {
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            $lex->phpType = 'php';
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        } elseif (strpos($lex->value, '<%') === 0) {
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            $lex->phpType = 'asp';
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            $closeTag = '%>';
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        } elseif (strpos($lex->value, '%>') === 0) {
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            $lex->phpType = 'unmatched';
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        } elseif (strpos($lex->value, '?>') === 0) {
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            if ($lex->is_xml) {
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                $lex->is_xml = false;
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                $lex->token = Smarty_Internal_Templateparser::TP_NOCACHE;
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                return;
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            }
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            $lex->phpType = 'unmatched';
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        } elseif (strpos($lex->value, '<s') === 0) {
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            $lex->phpType = 'script';
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            $closeTag = '</script>';
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        } elseif (strpos($lex->value, $lex->smarty->left_delimiter) === 0) {
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            if ($lex->isAutoLiteral()) {
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                $lex->token = Smarty_Internal_Templateparser::TP_TEXT;
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                return;
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            }
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            $closeTag = "{$lex->smarty->left_delimiter}/php{$lex->smarty->right_delimiter}";
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            if ($lex->value == $closeTag) {
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                $lex->compiler->trigger_template_error("unexpected closing tag '{$closeTag}'");
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            }
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            $lex->phpType = 'tag';
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        }
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        if ($lex->phpType == 'unmatched') {
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            return;
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        }
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        if (($lex->phpType == 'php' || $lex->phpType == 'asp') && ($lex->compiler->php_handling == Smarty::PHP_PASSTHRU || $lex->compiler->php_handling == Smarty::PHP_QUOTE)) {
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            return;
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        }
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        $start = $lex->counter + strlen($lex->value);
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        $body = true;
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        if (preg_match('~' . preg_quote($closeTag, '~') . '~i', $lex->data, $match, PREG_OFFSET_CAPTURE, $start)) {
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            $close = $match[0][1];
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        } else {
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            $lex->compiler->trigger_template_error("missing closing tag '{$closeTag}'");
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        }
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        while ($body) {
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            if (preg_match('~([/][*])|([/][/][^\n]*)|(\'[^\'\\\\]*(?:\\.[^\'\\\\]*)*\')|("[^"\\\\]*(?:\\.[^"\\\\]*)*")~', $lex->data, $match, PREG_OFFSET_CAPTURE, $start)) {
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                $value = $match[0][0];
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                $from = $pos = $match[0][1];
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                if ($pos > $close) {
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                    $body = false;
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                } else {
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                    $start = $pos + strlen($value);
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                    $phpCommentStart = $value == '/*';
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                    if ($phpCommentStart) {
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                        $phpCommentEnd = preg_match('~([*][/])~', $lex->data, $match, PREG_OFFSET_CAPTURE, $start);
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                        if ($phpCommentEnd) {
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                            $pos2 = $match[0][1];
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                            $start = $pos2 + strlen($match[0][0]);
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                        }
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                    }
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   166
                    while ($close > $pos && $close < $start) {
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   167
                        if (preg_match('~' . preg_quote($closeTag, '~') . '~i', $lex->data, $match, PREG_OFFSET_CAPTURE, $from)) {
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                            $close = $match[0][1];
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   169
                            $from = $close + strlen($match[0][0]);
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   170
                        } else {
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                            $lex->compiler->trigger_template_error("missing closing tag '{$closeTag}'");
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                        }
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   173
                    }
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parents:
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   174
                    if ($phpCommentStart && (!$phpCommentEnd || $pos2 > $close)) {
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   175
                        $lex->taglineno = $lex->line + substr_count(substr($lex->data, $lex->counter, $start), "\n");
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   176
                        $lex->compiler->trigger_template_error("missing PHP comment closing tag '*/'");
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   177
                    }
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   178
                }
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   179
            } else {
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   180
                $body = false;
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   181
            }
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   182
        }
4869aea77e21 Bröker-Framework BFW-1
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parents:
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   183
        $lex->value = substr($lex->data, $lex->counter, $close + strlen($closeTag) - $lex->counter);
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parents:
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   184
    }
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parents:
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   185
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parents:
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   186
    /*
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   187
     * Call back function for $php_handling = PHP_QUOTE
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parents:
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   188
     *
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   189
     */
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   190
    private function quote($match) {
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parents:
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   191
        return htmlspecialchars($match[0], ENT_QUOTES);
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parents:
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   192
    }
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parents:
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   193
}