PHP统计字符串里单词查询关键字

<?
function full_count_words($str) { 
    //返回完整数组,包含字符串里每个单词

    $words = str_word_count($str,1); 
    $result = array(); 
    foreach ($words as $w) { 
        $lw = strtolower($w); 
        //判断单词是否是第一次出现,是则设置为1,否则就增加1

        if (!(isset($result[$lw]))) { 
            $result[$lw] = 1; 
        } else { 
            $result[$lw]++; 
        } 
    } 
    return $result; 
}


?>


函数描述及例子

<? 
$test = "Good luck to you,good by! me to ,good ,good"; 
$wordcount =2881064151 full_count_words($test); 
//echo $wordcount['good'];

print_r($wordcount); 
?>


查询关键字

PHP统计字符串里单词出现次数

原文地址:https://www.cnblogs.com/cbryge/p/6015365.html