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mam chat cez open file system nie cez databazu..ako by som urobil aby sa zobrazilo len 15 prispevkov?diky if($n=="1"){ if($meno){ $old = fread(fopen("chata.txt","r"),filesize("chata.txt")); $news = date ("d.n.y").", ".date("H:i")." (<i>$meno) prisiel</i><br/>\n"; $old = $news.$old; $f = fopen("chata.txt","w"); fputs($f,$old); fclose($f); }
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if($meno && $texte){ $texte=strip_tags($texte); $old = fread(fopen("chat.txt","r"),filesize("chat.txt")); $news = date ("d.n.y").", ".date("H:i")." (<b>$meno</b>) $texte<br/>\n"; $old = $news.$old; $f = fopen("chat.txt","w"); fputs($f,$old); fclose($f); } to je zapisovanie prispevkov
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$filename = "./text.txt"; $fd = fopen ($filename, "r"); $contents = fread ($fd, 1500); fclose ($fd); echo"$contents";
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pokud ti jde jen o zobrazeni poslednich 15 prispevku (zalezi jak to zapisujes - jestli cpes v txt souboru nove prispevky na zacatek souboru anebo na konec a pak to obracis) tak to muze vypadat nejak takhle <?php $s = file("chata.txt"); for ($i=0;$i<=14;$i++): echo $s[$i]."<br/>"; endfor; ?>
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diky moc urobil som to tak...perfeke to bezi a historia sa mi chovava :) siky
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hm nebudem zakladat new temu..takze na chate potrebujem aby sa nedali pisat prispevky takehoto typu "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ..myslim jedno slovo dlhsie ako napr 15pismen...hmm ako to spravit?
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Funkcí wordwrap(): $pocet = 15; //počet znaků, kdy dojde k automatickému zalomení textu $text = wordwrap( $text, $pocet, "\n", 1);
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mydlo: přímo na php.net je příklad, který sháníš (inteligentní zalamování dlouhých slov): http://php.ftp.cvut.cz/manual/cs/function.wordwrap.php $text = explode(" ", $text); $l=count($text); $counter=0; while($counter<=$l) { $text[$counter] = wordwrap($text[$counter], 20, " ", 1); $counter++; } $text=implode(" ", $text);
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