如何从php [duplicate]中的这个字符串中提取值

Question

This question already has an answer here:

• Extract numbers from a string 20 answers

I have this string

@[181] @[183] @[4563]

from this string I want to get values between [] in this case

181,183,4563

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Answer 1

This should do the trick:

$string = '@[181] @[183] @[4563]';
preg_match_all('/\[([0-9]*)\]/', $string, $matches);
foreach($matches[1] as $number) {
    echo $number;
}