note 73999 modified in function.stripos by danbrown

this would to work with any language, i hope. tested on czech (eastern europe) lang. <?php /**************************************** * SAFE HIGHLIGHT ****************************************/ /** * function finds and encase every string in a $needleArr array with * strings $shearLft (from the left side) and $shearRgt (guess from which * side). * already encased needles are IGNORED for any other step, so order * of needles in $needleArr is pretty important. * * function is searching needles in case-insensitive mode, * but case in the subject is saved. * * can you do it better? so, do it. * * @param array $needleArr array of needles * @param string $shearLft left shear * @param string $shearRgt right shear * @param string $subject subject * @param string $encoding encoding ('utf-8' is default) * * @author griffin */ function safeHighlight( $needleArr, $shearLft, $shearRgt, $subject, $encoding = 'utf-8') { // encoding $e = $encoding; // oh, no needles if( !is_array( $needleArr)) return $subject; // empty keys throw-off, only unique, reindex $nA = array_values( array_unique( array_diff( $needleArr, array('')) ) ); // needle count if( !($nC = count( $nA))) return $subject; // nothing to hl // shear length if( !(($rLL = mb_strlen( $rL = $shearLft, $e)) + ($rRL = mb_strlen( $rR = $shearRgt, $e)))) return $subject; // no shears // subject length if( !($sL = mb_strlen( $s = $subject, $e))) return null; // empty subject // subject in lowercase (we need to aviod // using mb_stripos due to PHP version) $sW = mb_strtolower( $s, $e); // masking ~ 0=not changed, 1=changed $m = str_repeat( '0', $sL); // loop for each needle for( $n=0; $n<$nC; $n++) { // needle string loWercase $nW = mb_strtolower( $nA[ $n], $e); $o = 0; // offset $nL = mb_strlen( $nW, $e); // needle length // search needle while( false !== ($p = mb_strpos( $sW, $nW, $o, $e))) { // oh hurrey, needle found on $p position // is founded needle already modified? (in full-length) for( $q=$p; $q<($p+$nL); $q++) if( $m[ $q]) { // ai, caramba. already modified, jump over $o+= $nL; // continue for while() loop - not for for() loop! continue 2; } // explode subject and mask into three parts // partA|needle|partB $sE[0] = mb_substr( $s, 0, $p, $e); $sE[1] = mb_substr( $s, $p, $nL, $e); $sE[2] = mb_substr( $s, $p+$nL, $sL-$p-$nL, $e); // mask // partA|partB (needle not needed) $mE[0] = mb_substr( $m, 0, $p, $e); $mE[1] = mb_substr( $m, $p+$nL, $sL-$p-$nL, $e); // apply shears $sE[1] = $rL.$sE[1].$rR; // update sunject length $sL+= $rLL + $rRL; // update mask $m = $mE[0] . str_repeat( '1', $rLL + $nL + $rRL) . $mE[1]; // implode into a subject $s = implode( $sE); // update lowercase subject $sW = mb_strtolower( $s, $e); // increase offset $o+= $rLL + $nL + $rRL; // end of string reached if( $o>=$sL) break; } // while() } // for( $n=0; $n<$nC; $n++) // oouu yeaaa, kick the subject out of the function return $s; } // function safeHighlight() /**************************************** * END: SAFE HIGHLIGHT ****************************************/ ?> --was-- (i'm very sorry for some mistakes in my yesterday's post :'[ ) this would to work with any language, i hope. tested on czech (eastern europe) lang. <?php /**************************************** * SAFE HIGHLIGHT ****************************************/ /** * function finds and encase every string in a $needleArr array with * strings $shearLft (from the left side) and $shearRgt (guess from which * side). * already encased needles are IGNORED for any other step, so order * of needles in $needleArr is pretty important. * * function is searching needles in case-insensitive mode, * but case in the subject is saved. * * can you do it better? so, do it. * * @param array $needleArr array of needles * @param string $shearLft left shear * @param string $shearRgt right shear * @param string $subject subject * @param string $encoding encoding ('utf-8' is default) * * @author griffin */ function safeHighlight( $needleArr, $shearLft, $shearRgt, $subject, $encoding = 'utf-8') { // encoding $e = $encoding; // oh, no needles if( !is_array( $needleArr)) return $subject; // empty keys throw-off, only unique, reindex $nA = array_values( array_unique( array_diff( $needleArr, array('')) ) ); // needle count if( !($nC = count( $nA))) return $subject; // nothing to hl // shear length if( !(($rLL = mb_strlen( $rL = $shearLft, $e)) + ($rRL = mb_strlen( $rR = $shearRgt, $e)))) return $subject; // no shears // subject length if( !($sL = mb_strlen( $s = $subject, $e))) return null; // empty subject // subject in lowercase (we need to aviod // using mb_stripos due to PHP version) $sW = mb_strtolower( $s, $e); // masking ~ 0=not changed, 1=changed $m = str_repeat( '0', $sL); // loop for each needle for( $n=0; $n<$nC; $n++) { // needle string loWercase $nW = mb_strtolower( $nA[ $n], $e); $o = 0; // offset $nL = mb_strlen( $nW, $e); // needle length // search needle while( false !== ($p = mb_strpos( $sW, $nW, $o, $e))) { // oh hurrey, needle found on $p position // is founded needle already modified? (in full-length) for( $q=$p; $q<($p+$nL); $q++) if( $m[ $q]) { // ai, caramba. already modified, jump over $o+= $nL; // continue for while() loop - not for for() loop! continue 2; } // explode subject and mask into three parts // partA|needle|partB $sE[0] = mb_substr( $s, 0, $p, $e); $sE[1] = mb_substr( $s, $p, $nL, $e); $sE[2] = mb_substr( $s, $p+$nL, $sL-$p-$nL, $e); // mask // partA|partB (needle not needed) $mE[0] = mb_substr( $m, 0, $p, $e); $mE[1] = mb_substr( $m, $p+$nL, $sL-$p-$nL, $e); // apply shears $sE[1] = $rL.$sE[1].$rR; // update sunject length $sL+= $rLL + $rRL; // update mask $m = $mE[0] . str_repeat( '1', $rLL + $nL + $rRL) . $mE[1]; // implode into a subject $s = implode( $sE); // update lowercase subject $sW = mb_strtolower( $s, $e); // increase offset $o+= $rLL + $nL + $rRL; // end of string reached if( $o>=$sL) break; } // while() } // for( $n=0; $n<$nC; $n++) // oouu yeaaa, kick the subject out of the function return $s; } // function safeHighlight() /**************************************** * END: SAFE HIGHLIGHT ****************************************/ ?> http://php.net/manual/en/function.stripos.php