php中explode函数的应用场景有哪些

?PHP?,explode()?????????????????,?????????????????????????????????explode()??????:

1. ??CSV??:?????CSV????????,????explode()???????????(,)??,??????explode()???????????(;)???????????

$csv_data = "https://www.yisu.com/ask/name,age,city/nJohn,25,New York/nJane,30,Los Angeles";
$rows = explode("\n", $csv_data);
foreach ($rows as $row) {
    $fields = explode(",", $row);
    // ?????????
}

2. ??URL??:??????URL???????,????explode()??????????&????,??????explode()?????????=?????

$query_string = "name=John&age=25&city=New York";
$params = explode("&", $query_string);
foreach ($params as $param) {
    list($key, $value) = explode("=", $param);
    // ?????????
}

3. ???????:???????????????,????explode()????????????????(?-?:?)???

$date_string = "2021-08-01";
$date_parts = explode("-", $date_string);
list($year, $month, $day) = $date_parts;

4. ??????:????????????????,????explode()???????????(=)???(:)???

$config_data = "https://www.yisu.com/ask/database_host=localhost/ndatabase_user=root/ndatabase_password=secret";
$lines = explode("\n", $config_data);
foreach ($lines as $line) {
    list($key, $value) = explode("=", $line);
    // ??????????
}

????explode()???????????,???,????????explode()??????????????????????