如何将PHP字符串按特定分隔符转为数组？split函数详解

explode()

split()

explode()

explode(string $separator, string $string, int $limit = PHP_INT_MAX): array

explode()

,

;

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$string = "apple,banana,orange";
$array = explode(",", $string);
print_r($array); // 输出：Array ( [0] => apple [1] => banana [2] => orange )

explode()

explode()

$string = ",apple,banana,,orange,";
$array = explode(",", $string);
print_r($array); // 输出：Array ( [0] => [1] => apple [2] => banana [3] => [4] => orange [5] => )

array_filter()

$array = array_filter(explode(",", $string));
print_r($array); // 输出：Array ( [1] => apple [2] => banana [4] => orange )

array_filter()

false

0

null

explode()

$limit

$limit

$limit

$limit

-limit

$string = "apple,banana,orange,grape";
$array = explode(",", $string, 2);
print_r($array); // 输出：Array ( [0] => apple [1] => banana,orange,grape )

$array = explode(",", $string, -1);
print_r($array); // 输出：Array ( [0] => apple [1] => banana [2] => orange )

$limit

preg_split()

explode()

explode()

preg_split()

preg_split()

$string = "apple123banana456orange";
$array = preg_split("/\d+/", $string);
print_r($array); // 输出：Array ( [0] => apple [1] => banana [2] => orange )

/\d+/

preg_split()

explode()

mb_split()

mb_split()

preg_split()

$string = "苹果,香蕉,橙子";
$array = mb_split(",", $string);
print_r($array); // 输出：Array ( [0] => 苹果 [1] => 香蕉 [2] => 橙子 )

mb_split()

mbstring