blocks|key|2017642|text|您将希望使用str_split()。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2017643|$result+=+str_split('abcdef');|code-block|syntax|javascript|2017644|http://us2.php.net/manual/en/function.str-split.php|offset|length|2017645|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|1F|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|T|8|@]|9|@$I|U|J|V|1|W]]|A|$]]|$1|K|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|H]]]]

You will want to use str_split().

<pre><code>$result = str_split('abcdef');
</code></pre>

<a href="http://us2.php.net/manual/en/function.str-split.php" rel="noreferrer">http://us2.php.net/manual/en/function.str-split.php</a>

blocks|key|1804510|text|不知道你是否已经意识到这一点，但你可能不需要做任何事情(取决于你试图做什么)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1804511|$string+=+"abcdef";
echo+$string[1];
//Outputs+"b"|code-block|syntax|javascript|1804512|所以如果你只需要一些简单的东西，你可以像数组一样访问它，而不会有任何麻烦。|1804513|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Don't know if you're aware of this already, but you may not need to do anything (depending on what you're trying to do).

<pre><code>$string = "abcdef";
echo $string[1];
//Outputs "b"
</code></pre>

So you can access it like an array without any faffing if you just need something simple.

blocks|key|2017754|text|您可以使用str_split()函数：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2017755|$value+=+"abcdef";
$array+=+str_split($value);|code-block|syntax|javascript|2017756|如果您希望将字符串划分为不同数量的数组值，则可以指定第二个参数：|2017757|$array+=+str_split($value,+2);|2017758|上面的代码会把你的字符串分成两个一组的数组。|2017759|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

You can use the str_split() function:

<pre><code>$value = "abcdef";
$array = str_split($value);
</code></pre>

If you wish to divide the string into array values of different amounts you can specify the second parameter:

<pre><code>$array = str_split($value, 2);
</code></pre>

The above will split your string into an array in chunks of two.

blocks|key|1804034|text|$result+=+"abcdef";
$result+=+str_split($result);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1804035|在str_split函数上还有一个可选参数，可以拆分成x个字符的块。|unstyled|1804036|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>$result = "abcdef";
$result = str_split($result);
</code></pre>

There is also an optional parameter on the str_split function to split into chunks of x characters.

blocks|key|1804628|text|最好你应该去"str_split()"，如果需要手动或基本编程，|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1804629|++++$string+=+"abcdef";
++++$resultArr+=+[];
++++$strLength+=+strlen($string);
++++for+($i+=+0;+$i+<+$strLength;+$i%2B%2B)+{
++++++++$resultArr[$i]+=+$string[$i];
++++}
++++print_r($resultArr);|code-block|syntax|javascript|1804630|输出：|1804631|Array
(
++++[0]+=>+a
++++[1]+=>+b
++++[2]+=>+c
++++[3]+=>+d
++++[4]+=>+e
++++[5]+=>+f
)|1804632|entityMap^0|7|B|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|T|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|U|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|P|$]]

best you should go for "<code>str_split()</code>", if there is need to manual Or basic programming,

<pre><code> $string = "abcdef";
 $resultArr = [];
 $strLength = strlen($string);
 for ($i = 0; $i &lt; $strLength; $i++) {
 $resultArr[$i] = $string[$i];
 }
 print_r($resultArr);
</code></pre>

Output:

<pre><code>Array
(
 [0] =&gt; a
 [1] =&gt; b
 [2] =&gt; c
 [3] =&gt; d
 [4] =&gt; e
 [5] =&gt; f
)
</code></pre>

blocks|key|2018204|text|在str_split函数的帮助下，您可以做到这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2018205|如下所示：|2018206|<?php+
$result+=+str_split('abcdef',1);
echo+"<pre>";
print_r($result);
?>|code-block|syntax|javascript|2018207|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

With the help of str_split function, you will do it.

Like below::

<pre><code>&lt;?php 
$result = str_split('abcdef',1);
echo "&lt;pre&gt;";
print_r($result);
?&gt;
</code></pre>

blocks|key|1804568|text|您可以使用str_split()函数|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1804569|$array+=+str_split($string);

foreach+($array+as+$p){

++++echo+$p+.+"<br+/>";
}|code-block|syntax|javascript|1804570|entityMap^0|5|B|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

You can use the <code>str_split()</code> function

<pre><code>$array = str_split($string);

foreach ($array as $p){

 echo $p . "&lt;br /&gt;";
}
</code></pre>

blocks|key|2018736|text|如果您需要在过时的PHP版本(低于php7.4的版本)中支持多字节，那么在带有unicode标志的空模式上使用preg_split()。不需要使用捕获组降低正则表达式引擎的速度。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2018737|代码：(Demo)|2018738|var_export(
++++preg_split('//u',+'abcåäö',+0,+PREG_SPLIT_NO_EMPTY)
++++//+or+preg_split('/.\K/us',+'abcåäö',+0,+PREG_SPLIT_NO_EMPTY)
++++//+or+preg_split('/\X\K/u',+'abcåäö',+0,+PREG_SPLIT_NO_EMPTY)
);|code-block|syntax|javascript|2018739|对于任何版本的PHP7.4或更高版本，只需使用专用函数mb_str_split()即可。|2018740|mb_str_split('abcåäö')|2018741|输出：|2018742|array+(
++0+=>+'a',
++1+=>+'b',
++2+=>+'c',
++3+=>+'å',
++4+=>+'ä',
++5+=>+'ö',
)+|2018743|2018744|对于任何深入研究的人，我还应该提到the+\X+(unicode+version+of+the+dot)，它默认情况下支持换行符。\X与没有s修饰符的.略有不同。Demo|2018745|var_export(preg_split('/.\K/u',+$string,+0,+PREG_SPLIT_NO_EMPTY));+//+element+[1]+has+two+characters+in+it!
echo+"\n---\n";
var_export(preg_split('/.\K/us',+$string,+0,+PREG_SPLIT_NO_EMPTY));
echo+"\n---\n";
var_export(preg_split('/\X\K/u',+$string,+0,+PREG_SPLIT_NO_EMPTY));|2018746|entityMap|0|LINK|mutability|MUTABLE|url|https://3v4l.org/ZYUUV|1|https://stackoverflow.com/a/47903428/2943403|2|https://3v4l.org/CU4eH^0|1J|C|0|4|4|0|0|0|R|E|0|0|0|0|0|L|2|1T|2|1Y|1|23|1|H|Z|1|29|4|2|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1E|8|@]|D|@$9|1F|A|1G|1|1H]]|E|$]]|$1|H|3|I|5|J|7|1I|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1J|8|@$9|1K|A|1L|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|1M|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1N|8|@]|D|@]|E|$]]|$1|S|3|T|5|J|7|1O|8|@]|D|@]|E|$K|L]]|$1|U|3|-4|5|6|7|1P|8|@]|D|@]|E|$]]|$1|V|3|W|5|6|7|1Q|8|@$9|1R|A|1S|B|C]|$9|1T|A|1U|B|C]|$9|1V|A|1W|B|C]|$9|1X|A|1Y|B|C]]|D|@$9|1Z|A|20|1|21]|$9|22|A|23|1|24]]|E|$]]|$1|X|3|Y|5|J|7|25|8|@]|D|@]|E|$K|L]]|$1|Z|3|-4|5|6|7|26|8|@]|D|@]|E|$]]]|10|$11|$5|12|13|14|E|$15|16]]|17|$5|12|13|14|E|$15|18]]|19|$5|12|13|14|E|$15|1A]]]]

If you need multibyte support in an outdated version of PHP (a version below PHP7.4), then use <code>preg_split()</code> on an empty pattern with a unicode flag. There is no need to slow down the regex engine with a capture group.
Code: (<a href="https://3v4l.org/ZYUUV" rel="nofollow noreferrer">Demo</a>)
<pre><code>var_export(
 preg_split('//u', 'abcåäö', 0, PREG_SPLIT_NO_EMPTY)
 // or preg_split('/.\K/us', 'abcåäö', 0, PREG_SPLIT_NO_EMPTY)
 // or preg_split('/\X\K/u', 'abcåäö', 0, PREG_SPLIT_NO_EMPTY)
);
</code></pre>
For any versions of PHP from 7.4 or higher, just use the dedicated function <code>mb_str_split()</code>.
<pre><code>mb_str_split('abcåäö')
</code></pre>
Output:
<pre><code>array (
 0 =&gt; 'a',
 1 =&gt; 'b',
 2 =&gt; 'c',
 3 =&gt; 'å',
 4 =&gt; 'ä',
 5 =&gt; 'ö',
) 
</code></pre>
As a warning to researchers using other answers on this page, if you use square brace syntax to access characters by their offset or you use <code>str_split()</code>, you will get broken results when dealing with multibyte characters.
For anyone doing thorough research, I should also mention <a href="https://stackoverflow.com/a/47903428/2943403">the <code>\X</code> (unicode version of the dot)</a> which respects newline characters by default. <code>\X</code> is slightly different from <code>.</code> without the <code>s</code> modifier. <a href="https://3v4l.org/CU4eH" rel="nofollow noreferrer">Demo</a>
<pre><code>var_export(preg_split('/.\K/u', $string, 0, PREG_SPLIT_NO_EMPTY)); // element [1] has two characters in it!
echo &quot;\n---\n&quot;;
var_export(preg_split('/.\K/us', $string, 0, PREG_SPLIT_NO_EMPTY));
echo &quot;\n---\n&quot;;
var_export(preg_split('/\X\K/u', $string, 0, PREG_SPLIT_NO_EMPTY));
</code></pre>

blocks|key|2018382|text|str_split()对于多字节字符是不安全的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2018383|mb_str_split()需要PHP+7.4%2B。|2018384|尝试使用preg_split()重新使用：|2018385|$result+=+preg_split('/(.)/u',+'abcåäö',+-1,+PREG_SPLIT_DELIM_CAPTURE+%7C+PREG_SPLIT_NO_EMPTY);|code-block|syntax|javascript|2018386|entityMap^0|0|B|0|0|E|0|4|C|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|J|3|K|5|L|7|Z|8|@]|D|@]|E|$M|N]]|$1|O|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|P|$]]

<code>str_split()</code> is not safe for multibyte characters.
<code>mb_str_split()</code> requires PHP 7.4+.
Try <code>preg_split()</code> for the rescuse:
<pre><code>$result = preg_split('/(.)/u', 'abcåäö', -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
</code></pre>

In PHP, how do I convert:
<pre><code>$result = &quot;abdcef&quot;;
</code></pre>
into an array that's:
<pre><code>$result[0] = a;
$result[1] = b;
$result[2] = c;
$result[3] = d;
</code></pre>
Edited

Convert a String into an Array of Characters

在PHP中，如何转换：$result = "abdcef";转换成一个数组，该数组是：$result[0] = a;$result[1] = b;$result[2] = c;$result[3] = d;编辑过的

问将字符串转换为字符数组
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问将字符串转换为字符数组
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