1 strstr(string,search) strstr() 函数搜索一个字符串在另一个字符串中的第一次出现。 该函数返回字符串的其余部分(从匹配点)。如果未找到所搜索的字符串,则返回 false。 2 strpos(string,string,substring) 1 2 3 4 5 6 7 8 functiondirectory_access($protected_path){ $url='http://'.$_SERVER['S...
```foreach ($positions as $pos) { echo "查询字符串在目标字符串中的位置是:".$pos;}```整体代码如下:```$targetString = "目标字符串";$searchString = "查询字符串";$positions = array();for ($i = 0; $i < strlen($targetString); $i++) { // 使用strpos()函数查找查询字符串在目标...
$substring = strstr($string, $search);c）`str_replace()`: 替换字符串中的所有出现的一个子串提供的另一个字符串。php $new_string = str_replace($search, $replace, $string);5）字符串处理的高级技巧 在实际的 PHP 项目中，我们会遇到更复杂的字符串处理任务。PHP 提供了一些高级函数来帮助我们处理...
3. 解析XML或JSON数据:如果您要从XML或JSON数据中提取指定内容,可以使用PHP的XML处理函数(例如`simplexml_load_string()`)或JSON解析函数(例如`json_decode()`)来解析数据,并提取所需内容。 “`php // 解析XML数据并提取指定内容 $xmlString = “John Doe“; $xml = simplexml_load_string($xmlString); $...
string - Required, the original string that you are looking to search substring - Required, the substring that you are looking to check if the string contains start - Optional, specific where the search for the substring should begin Returns: When used to check if a PHP string contains a su...
$name = substr($string, strpos($string, ":") + 2, strpos($string, ",") strpos($string, ":") 2); $age = substr($string, strpos($string, ":") + 4); echo "Name: $name, Age: $age"; // 输出: Name: John Doe, Age: 30 ...
To find substring of a string in PHP, we can use substr() function. Call substr() function, and pass the original given string, starting index, and substring
echo "Index of substring : " . $index; ?> Output 2. Negative Scenario – String does not contain search string In this example, we take a string instrand search stringsearch, such that the stringstrdoes not containsearch. For given input values,strpos()returnsfalse. ...
Split a string into smaller chunks 将字符串分割成小块 convert_cyr_string() Convert from one Cyrillic character set to another 将字符由一种 Cyrillic 字符转换成另一种 convert_uudecode() Decode a uuencoded string 解码一个 uuencode 编码的字符串 ...
getRange - Get a substring of the string stored at a key getSet - Set the string value of a key and return its old value incr, incrBy - Increment the value of a key incrByFloat - Increment the float value of a key by the given amount mGet - Get the values of all the given keys...