Функции используемые при парсинге

parser_functions.php

<?php

/* functions for cleaning:
    replaceLinks();
    deleteClasses();
    deleteDataAttr();
    deleteOther();
    full_trim();
*/

function replaceClasses($patterns, $replace, $str){
    $str = str_replace($patterns, $replace, $str);
    return $str;
}

function replaceLinksBank($str){
    $patterns = "/<a\s.*?>(.*?)<\/a>/is";
    $replace = '<a class="bank-link" href="#">\\1</a>';
    $str =  preg_replace($patterns, $replace, $str);
    return $str;
}

function replaceLinks($str){
    $patterns = "/<a\s.*?>(.*?)<\/a>/is";
    $replace = "\\1";
    $str =  preg_replace($patterns, $replace, $str);
    return $str;
}

function deleteClasses($str){
    $patterns = '/(class=").*?"/is';
    $replace = "";
    $str =  preg_replace($patterns, $replace, $str);
    return $str;
}

function deleteOther($str){
    $patterns = array('/<i.*?><\/i>/is', '/<(.*?)\s*?>/is', '/class=\"\"/is');
    $replace = array ("", "<\\1>", "");
    $str =  preg_replace($patterns, $replace, $str);
    return $str;
}

function deleteDataAttr($str){
    $patterns = array('/data([^\s]*)="(.*?)"/is', '/data\-([^\s].*?)>/is');
    $replace = array ("", ">");
    $str =  preg_replace($patterns, $replace, $str);
    return $str;
}

function full_trim($str) {
    return trim(preg_replace('/\s{2,}/', ' ', $str));
}

?>