aliento Posted May 22, 2009 Share Posted May 22, 2009 Little difficult for me to explain without a paradigm : $main_string = '<font size=12> fddsf sdf sdf sdfsdf sdf </font>'; $starts_with = '<//'; $ends_with = '>'; $final_string = magic_i_dont_know($starts_with,$ends_with,$main_string); echo $final_string ; result : font Thats all, i dont want to take it on the plate but i cant find a way on my own as php strings functions are not providing this kind of solution. Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/ Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 by this post i found the way to express myself to google : function get_text($text, $s, $e) // Get string out of text { $sp = strpos($text, $s, 0) + strlen($s); $ep = strpos($text, $e, 0); return substr($text, $sp, $ep - $sp); } Anyway thanks Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839609 Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 No i didnt found the solution yet, I am loading all the html page into a string. what i need is to find if all html tags close, and if any tag is not closing then load it to an array? Is there any way One way i thought is this : /* html tags begin */ $html_tag[]='a';$html_tag[]='applet';$html_tag[]='big';$html_tag[]='blockquote';$html_tag[]='body';$html_tag[]='caption';$html_tag[]='center';$html_tag[]='cite';$html_tag[]='code';$html_tag[]='col';$html_tag[]='colgroup';$html_tag[]='del';$html_tag[]='dfn';$html_tag[]='div';$html_tag[]='dl';$html_tag[]='em';$html_tag[]='fieldset';$html_tag[]='font';$html_tag[]='form';$html_tag[]='frame';$html_tag[]='frameset';$html_tag[]='h1';$html_tag[]='h2';$html_tag[]='h3';$html_tag[]='h4';$html_tag[]='h5';$html_tag[]='h6';$html_tag[]='head';$html_tag[]='html';$html_tag[]='i';$html_tag[]='iframe';$html_tag[]='img';$html_tag[]='ins';$html_tag[]='kbd';$html_tag[]='label';$html_tag[]='legend';$html_tag[]='map';$html_tag[]='menu';$html_tag[]='noframes';$html_tag[]='object';$html_tag[]='ol';$html_tag[]='p';$html_tag[]='pre';$html_tag[]='q';$html_tag[]='s';$html_tag[]='samp';$html_tag[]='script';$html_tag[]='select';$html_tag[]='small';$html_tag[]='span';$html_tag[]='strike';$html_tag[]='strong';$html_tag[]='style';$html_tag[]='sub';$html_tag[]='sup';$html_tag[]='table';$html_tag[]='tbody';$html_tag[]='textarea';;$html_tag[]='tfoot';$html_tag[]='th';$html_tag[]='thead';$html_tag[]='title';$html_tag[]='tt';$html_tag[]='u';$html_tag[]='ul';$html_tag[]='var'; /* html tags end */ $html_spot=$_GET['html_spot']; for($i=0;$i<count($html_tag);$i++) { $close_tag = substr_count($html_spot,'</'.$html_tag[$i].'>'); $open_tag = substr_count($html_spot,'<'.$html_tag[$i]); if ($close_tag!=$open_tag) $error[] = $html_tag; } but if at the text of the page the publisher write <body into the text then will return error. Is there a more professional way? Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839624 Share on other sites More sharing options...
Ken2k7 Posted May 22, 2009 Share Posted May 22, 2009 This should work. /** * @return string | bool */ function magic_i_dont_know ($starts_with, $ends_with, $main_string) { if (($start = strpos($main_string, $starts_with)) !== false) { if (($end = strpos($main_string, $ends_with, $start + 1)) !== false) return substr($main_string, $start, $end); return false; } return false; } Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839640 Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 this will find as i understand only one tag if its ok, I need to find all the problematic tags into the page. Is there any way? Thank you Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839678 Share on other sites More sharing options...
Ken2k7 Posted May 22, 2009 Share Posted May 22, 2009 Mind telling me what you want to accomplish with that? Do you want to strip the HTML tags? There is a PHP function for that. It would help if you tell us what you want to do. I know you want to get the word "font" in your example, but why? Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839679 Share on other sites More sharing options...
BK87 Posted May 22, 2009 Share Posted May 22, 2009 the word string should not be used in the same sentence more than once, for that matter any word should not be used in the same sentence once! =D but I'm not understand what you want to do here... Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839680 Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 What i am developing is a script , the html page will be load to a textarea , then the user will have the ability to copy some parts of the code to the db. But the script needs to know if the user tried to save the correct part of html , which will be with correct html tags. I dont want to let him copy to db ex '<html> <body> <a href=jjj>dffdf</a>' But the script will return : error tags <html> and <body> are not closing. I hope i made you understand and i hope this is easy Thank you Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839690 Share on other sites More sharing options...
Ken2k7 Posted May 22, 2009 Share Posted May 22, 2009 Wow, next time, I suggest you state that rather than what you have in your original post. They are so different. And that is such a hard task. I personally do NOT know of an easy solution other than to list common tags and loop to match them. Um... there are so many exceptions though. You probably don't want something like this - '<html> <body> <a href="asfdasf>asfd<asf></b></a>' Missing closing quotes, <asf> isn't a tag, and closing of tag </b> when it's not opened. What I would end up doing would be utilize cURL and try to scrape any errors off w3 validator. Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839694 Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 Yes you are right and thank you supporting me. - I dont care if the page is correct , the user will load a page that he made it, if he did those kind of mistakes then its his problem. so lets hypothesize that the code is correct. Its better to talk to you with code as my English are not so good the code that works is this : /* Those are all the html tags that opens and close */ $html_tag[]='a';$html_tag[]='applet';$html_tag[]='big';$html_tag[]='blockquote';$html_tag[]='body';$html_tag[]='caption';$html_tag[]='center';$html_tag[]='cite';$html_tag[]='code';$html_tag[]='col';$html_tag[]='colgroup';$html_tag[]='del';$html_tag[]='dfn';$html_tag[]='div';$html_tag[]='dl';$html_tag[]='em';$html_tag[]='fieldset';$html_tag[]='font';$html_tag[]='form';$html_tag[]='frame';$html_tag[]='frameset';$html_tag[]='h1';$html_tag[]='h2';$html_tag[]='h3';$html_tag[]='h4';$html_tag[]='h5';$html_tag[]='h6';$html_tag[]='head';$html_tag[]='html';$html_tag[]='i';$html_tag[]='iframe';$html_tag[]='img';$html_tag[]='ins';$html_tag[]='kbd';$html_tag[]='label';$html_tag[]='legend';$html_tag[]='map';$html_tag[]='menu';$html_tag[]='noframes';$html_tag[]='object';$html_tag[]='ol';$html_tag[]='p';$html_tag[]='pre';$html_tag[]='q';$html_tag[]='s';$html_tag[]='samp';$html_tag[]='script';$html_tag[]='select';$html_tag[]='small';$html_tag[]='span';$html_tag[]='strike';$html_tag[]='strong';$html_tag[]='style';$html_tag[]='sub';$html_tag[]='sup';$html_tag[]='table';$html_tag[]='tbody';$html_tag[]='textarea';;$html_tag[]='tfoot';$html_tag[]='th';$html_tag[]='thead';$html_tag[]='title';$html_tag[]='tt';$html_tag[]='u';$html_tag[]='ul';$html_tag[]='var'; /* here i load the the html code to copy it to the db */ $html_spot=$_GET['html_spot']; /* for every html tag , find how many times the </$html_tag> appear , find how many <$html_tag> appear . if the # of </$html_tag> = </$html_tag> then is ok , else save to $error[] the tag */ for($i=0;$i<count($html_tag);$i++) { $close_tag = substr_count($html_spot,'</'.$html_tag[$i].'>'); $open_tag = substr_count($html_spot,'<'.$html_tag[$i]); if ($close_tag!=$open_tag) $error[] = $html_tag; } but it have logical bugs and i believe that it can be easier with your magic. I appreciate your help Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839702 Share on other sites More sharing options...
Ken2k7 Posted May 22, 2009 Share Posted May 22, 2009 Instead of being very wordy, you could do - $html = array('a', 'applet', 'big', 'blockquote', ...); I didn't know big is a HTML tag. I guess a better way is to use preg_match_all to loop through the string and match all tag names. So like you would end up with 2 arrays - one for tag open and one for tag close. $tags_open = array('html', 'head', 'body', 'a', 'b', 'input', 'a', 'table',...); $tags_close = array(..., 'table', 'a', 'b', 'a', 'body'); Filter out $tags_open to check tags like INPUT and IMG that close themselves and they do NOT have a </input> or </img> tag and remove them from the array. Then loop through tag open and see if the corresponding tag close is closing it. $tags_close array is listing it in the opposite direction, so maybe you want to reverse the array or something, but that's completely up to you. Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839709 Share on other sites More sharing options...
aliento Posted May 22, 2009 Author Share Posted May 22, 2009 Thank you Ken2k7, i am glad about our chat. i ve got it. I ll use the array code you wrote and the preg_match_all(). The phpfreaks should open a university , i want really bad to study some serious php! Link to comment https://forums.phpfreaks.com/topic/159204-take-a-string-from-a-string-between-two-strings/#findComment-839711 Share on other sites More sharing options...
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