PHP 数组中最短/最长的字符串长度 [英] PHP shortest/longest string length in array

问题描述

我有一个这样的数组

$data = array(
    "163",
    "630",
    "43",
    "924",
    "4",
    "54"
);

如何从中选择最小值和最大值根据字符串长度非数字值.(在本例中为 1(最小)和 3(最大).

How can I select the smallest and largest values from it according to string length NOT number value. (for this example it is 1 (smallest) and 3 (largest).

推荐答案

看来你应该使用 array_map()

Seems like you should use an array_map()

  // Convert array to an array of string lengths
$lengths = array_map('strlen', $data);

  // Show min and max string length
echo "The shortest is " . min($lengths) .
     ". The longest is " . max($lengths);

请注意，$lengths 数组是未排序的，因此您可以轻松检索每个字符串长度的相应数字.

Note that the $lengths array is unsorted, so you can easily retrieve the corresponding number for each string length.

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