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<?php
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/*
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+--------------------------------------------------------------------------
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| Invision Power Board v2.0.0
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| =============================================
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| by Matthew Mecham
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| (c) 2001 - 2004 Invision Power Services, Inc.
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| http://www.invisionpower.com
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| =============================================
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| Web: http://www.invisionboard.com
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| Time: Tue, 21 Sep 2004 16:34:28 GMT
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| Release: 150aa7a702c3c8b6f6eb90ad49305d2f
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| Licence Info: http://www.invisionboard.com/?license
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+---------------------------------------------------------------------------
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|
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| > Template Engine module (KERNEL)
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| > Module written by Matt Mecham
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| > Date started: 5th January 2004
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|
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| > Module Version Number: 1.0.0
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+--------------------------------------------------------------------------
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| New template module to build, rebuild and generate caches of templates
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| which include the new IPB HTML Logic system.
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| Example:
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|
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| <if="ibf.vars['threaded_per_page'] == 10">
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| html here
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| </if>
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| <else if="ibf.vars['threaded_per_page'] >= 100 or some_var == 'this'">
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| html here
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| </if>
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| <else if="show['this'] > 100">
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| html here
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| </if>
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| <else>
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| html here
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| </else>
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|
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+--------------------------------------------------------------------------
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*/
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class class_template
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{
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var $root_path = './';
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var $cache_dir = 'skin_cache';
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var $cache_id = '1';
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var $database_id = '1';
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var $cache_path = '';
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function class_template()
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{
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$this->cache_path = $this->root_path . $this->cache_dir . '/cacheid_' . $this->cache_id;
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}
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//===================================================
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// Convert HTML to PHP cache file
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//===================================================
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function convert_html_to_php($func_name, $func_data, $func_html)
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{
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//-------------------------------
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// Make sure we have ="" on each
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// func data
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//-------------------------------
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$func_data = preg_replace( "#".'\$'."(\w+)(,|$)#i", "\$\\1=\"\"\\2", str_replace( " ", "", $func_data ) );
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$top = "//===========================================================================\n".
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"// {$func_name}\n".
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"//===========================================================================\n";
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$start = "function {$func_name}($func_data) {\nglobal \$ibforums;\n\$IPBHTML = \"\";\n//--starthtml--//\n";
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$middle = $this->build_section_html_to_php($func_html);
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$end = "\n//--endhtml--//\nreturn \$IPBHTML;\n}\n";
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return $top.$start.$middle.$end;
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}
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//===================================================
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// Alias: Convert PHP to HTML
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//===================================================
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function convert_php_to_html($php)
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{
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return $this->_convert_php_to_html($php);
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}
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//===================================================
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// Build Section: PHP to HTML
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// - Updates HTML database with PHP cache file
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//===================================================
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function build_section_php_to_html($php="")
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{
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}
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//===================================================
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// Build Section: HTML to PHP
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// - Makes PHP cache of raw HTML
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//===================================================
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function build_section_html_to_php($html="")
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{
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if ( preg_match( "#<if=[\"'].+?[\"']>#si", $html ) )
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{
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//----------------------------------------
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// Does it have logic sections?
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//----------------------------------------
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$html = $this->_convert_html_to_php($html);
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//----------------------------------------
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// Non-logic from top?
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//----------------------------------------
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$html = preg_replace( "#^(.+?)(//startif)#ise", "\$this->_wrap_in_php('\\1', '\\2');", $html );
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//----------------------------------------
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// Non-logic from between?
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//----------------------------------------
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$html = preg_replace( "#(}//endif|}//endelse)(.+?)(//startif|else)#ise", "\$this->_wrap_in_php('\\2', '\\3', '\\1');", $html );
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//$html = str_replace( "}//endif//startif", "}//endif\n//startif", $html );
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//----------------------------------------
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// Non-logic from after? ENDELSE
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//----------------------------------------
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if ( preg_match( "#^(.*)(}//endelse)(.+?)$#is", $html, $match ) )
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{
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if ( $match[1] and $match[2] and ( ! strstr( $match[3], "<<<EOF\n" ) ) )
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{
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$html = preg_replace( "#^(.*}//endelse)(.+?)$#ise", "\$this->_wrap_in_php('\\2', '', '\\1');", $html );
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}
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}
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//----------------------------------------
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// Non-logic from after? ENDIF
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//----------------------------------------
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if ( preg_match( "#^(.*)(}//endif)(.+?)$#is", $html, $match ) )
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{
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if ( $match[1] and $match[2] and ( ! strstr( $match[3], "<<<EOF\n" ) ) )
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{
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$html = preg_replace( "#^(.*}//endif)(.+?)$#ise", "\$this->_wrap_in_php('\\2', '', '\\1');", $html );
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}
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}
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}
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else
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{
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$html = $this->_wrap_in_php( $html );
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}
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//----------------------------------------
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// Unconvert special tags
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//----------------------------------------
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$html = $this->unconvert_tags($html);
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return $html;
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}
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//===================================================
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// Convert special tags into HTML safe versions
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//===================================================
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function convert_tags($t="")
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{
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$t = preg_replace( "/{?\\\$ibforums->base_url}?/" , "{ipb.script_url}" , $t );
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$t = preg_replace( "/{?\\\$ibforums->session_id}?/" , "{ipb.session_id}" , $t );
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$t = preg_replace( "#\\\$ibforums->(member|vars|skin|lang|input)#i" , "ipb.\\1" , $t );
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//----------------------------------------
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// Make some tags safe..
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//----------------------------------------
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$t = preg_replace( "/\{ipb\.vars\[(['\"])?(sql_driver|sql_host|sql_database|sql_pass|sql_user|sql_port|sql_tbl_prefix|smtp_host|smtp_port|smtp_user|smtp_pass|html_dir|base_dir|upload_dir)(['\"])?\]\}/", "" , $t );
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return $t;
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}
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//===================================================
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// Uncovert them back again
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//===================================================
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function unconvert_tags($t="")
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{
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//----------------------------------------
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// Make some tags safe..
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//----------------------------------------
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$t = preg_replace( "/\{ipb\.vars\[(['\"])?(sql_driver|sql_host|sql_database|sql_pass|sql_user|sql_port|sql_tbl_prefix|smtp_host|smtp_port|smtp_user|smtp_pass|html_dir|base_dir|upload_dir)(['\"])?\]\}/", "" , $t );
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$t = preg_replace( "/{ipb\.script_url}/i" , '{$ibforums->base_url}' , $t);
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$t = preg_replace( "/{ipb\.session_id}/i" , '{$ibforums->session_id}', $t);
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$t = preg_replace( "#ipb\.(member|vars|skin|lang|input)#i", '$ibforums->\\1' , $t );
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return $t;
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}
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//===================================================
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// Wrap HTML into PHP
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//===================================================
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function _wrap_in_php( $html, $after="", $before="" )
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{
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$html = $this->_trim_newlines($this->_trim_slashes($html));
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$before = $this->_trim_slashes($before);
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$after = $this->_trim_slashes($after);
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if ( ! strstr( $before, "\n" ) )
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{
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$before .= "\n";
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}
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if ( ! trim($html) )
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{
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return $before.$html.$after;
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}
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return $before."\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n".$after;
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}
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//===================================================
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// Convert: HTML Logic to PHP logic
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//===================================================
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function _convert_html_to_php($html)
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{
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$html = $this->_trim_slashes($html);
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$html = preg_replace( "#(?:\s+?)?<if=[\"'](.+?)[\"']>(.+?)</if>#ise", "\$this->_statement_if('\\1', '\\2')", $html );
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$html = preg_replace( "#(?:\s+?)?<else if=[\"'](.+?)[\"']>(.+?)</if>#ise", "\$this->_statement_elseif('\\1', '\\2')", $html );
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$html = preg_replace( "#(?:\s+?)?<else>(.+?)</else>#ise", "\$this->_statement_else('\\1')", $html );
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return $html;
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}
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//===================================================
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// Convert: PHP logic to HTML logic
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//===================================================
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function _convert_php_to_html($php)
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{
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$php = preg_replace( "#else if\s+?\((.+?)\)\s+?{(.+?)}//endif(\n)?#ise", "\$this->_reverse_if('\\1', '\\2', 'else if')", $php );
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$php = preg_replace( "#//startif\nif\s+?\((.+?)\)\s+?{(.+?)}//endif(\n)?#ise", "\$this->_reverse_if('\\1', '\\2', 'if')", $php );
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$php = preg_replace( "#else\s+?{(.+?)}//endelse(\n)?#ise", "\$this->_reverse_else( '\\1' )", $php );
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//----------------------------------------
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// Parse raw sections
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//----------------------------------------
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$php = $this->_reverse_ipbhtml($php);
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//----------------------------------------
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// Convert ipb-htmllogic tags
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//----------------------------------------
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//$php = preg_replace( "#//start-htmllogic#i" , "<ipb-htmllogic>", $php );
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//$php = preg_replace( "#//end-htmllogic#i", "</ipb-htmllogic>" , $php );
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//----------------------------------------
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// Remove start ifs
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//----------------------------------------
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$php = str_replace( "//startif\n", "\n", $php );
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//----------------------------------------
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// Remove extra spaces
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//----------------------------------------
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$php = preg_replace( "#(</if>|</else>)\s+?(<if|<else)#is", "\\1\n\\2", $php );
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//----------------------------------------
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// Make safe special $Ibforums vars
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//----------------------------------------
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$php = $this->convert_tags($php);
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return $php;
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}
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//===================================================
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// Reverse: PHP IF to HTML IF
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//===================================================
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function _reverse_if( $code, $php, $start='if' )
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{
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$code = $this->_trim_slashes(trim($code));
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$code = preg_replace( "/(^|and|or)(\s+)(.+?)(\s|$)/ise", "\$this->_reverse_prep_left('\\3', '\\1', '\\2', '\\4')", ' '.$code );
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$php = $this->_reverse_ipbhtml($php);
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return "<".$start."=\"".trim($code)."\">\n".$php."\n</if>\n";
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}
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//===================================================
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// Reverse: PHP else to HTML else
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//===================================================
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function _reverse_else( $php )
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{
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$php = $this->_trim_slashes(trim($php));
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$php = $this->_reverse_ipbhtml($php);
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return "<else>\n".$php."\n</else>\n";
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}
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//===================================================
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// Reverse: $IPBHTML to normal $HTML
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//===================================================
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function _reverse_ipbhtml( $code )
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{
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$code = $this->_trim_slashes($code);
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$code = preg_replace("/".'\$'."IPBHTML\s+?\.?=\s+?<<<EOF(.+?)EOF;\s?/si", "\\1", $code );
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$code = trim($code);
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$code = $this->_trim_newlines($code);
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return $code;
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}
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//===================================================
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// Reverse PHP IF code to HTML code
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//===================================================
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function _reverse_prep_left($left, $andor="", $fs="", $ls="")
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{
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$left = trim($this->_trim_slashes($left));
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if ( preg_match( "/".'\$'."ibforums->/", $left ) )
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{
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$left = preg_replace( "/".'\$'."ibforums->(.+?)$/", 'ipb.'."\\1", $left );
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}
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else
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{
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$left = str_replace( '$', '', $left );
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}
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return $andor.$fs.$left.$ls;
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}
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//===================================================
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// Statement: Return PHP 'IF' statement
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//===================================================
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function _statement_if( $code, $html )
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{
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$html = $this->_func_prep_html($html);
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$code = $this->_func_prep_if($code);
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return "\n//startif\nif ( $code )\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endif\n";
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}
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//===================================================
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// Statement: Return PHP 'ELSE IF' statement
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//===================================================
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function _statement_elseif( $code, $html )
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{
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$html = $this->_func_prep_html($html);
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$code = $this->_func_prep_if($code);
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return "\nelse if ( $code )\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endif\n";
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}
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//===================================================
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// Statement: Return PHP 'ELSE' statement
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//===================================================
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function _statement_else( $html )
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{
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$html = $this->_func_prep_html($html);
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return "\nelse\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endelse\n";
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}
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//===================================================
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// Strip leading newlines, etc
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//===================================================
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function _func_prep_html($html)
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{
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$html = trim($this->_trim_slashes($html));
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//$html = preg_replace( '/"/', '\\"', $html );
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return $html;
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}
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//===================================================
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// Sort out left bit of comparison
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//===================================================
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function _func_prep_left($left, $andor="", $fs="", $ls="")
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{
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$left = trim($this->_trim_slashes($left));
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if ( preg_match( "/^ipb\./", $left ) )
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{
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$left = preg_replace( "/^ipb\.(.+?)$/", '$ibforums->'."\\1", $left );
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}
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else
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{
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$left = '$'.$left;
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}
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return $andor.$fs.$left.$ls;
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}
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//===================================================
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// Statement: Prep AND OR, etc
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//===================================================
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function _func_prep_if( $code )
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{
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$code = $this->_trim_slashes($code);
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$code = preg_replace( "/(^|and|or)(\s+)(.+?)(\s|$)/ise", "\$this->_func_prep_left('\\3', '\\1', '\\2', '\\4')", ' '.$code );
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return trim($code);
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}
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//===================================================
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// Remove leading and trailing newlines
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//===================================================
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function _trim_newlines($code)
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{
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$code = preg_replace("/^\n{1,}/s", "", $code );
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$code = preg_replace("/\n{1,}$/s", "", $code );
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return $code;
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}
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//===================================================
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// Remove preg_replace/e slashes
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//===================================================
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function _trim_slashes($code)
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{
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$code = str_replace( '\"' , '"', $code );
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$code = str_replace( "\\'", "'", $code );
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return $code;
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}
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}
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||||
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||||
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||||
?>
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