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µÚÒ»¸öÊÇ£ºstr_split()£¬Õâ¸ö·½·¨ÊÇPHP5¼ÓÈëµÄ¡£
<?php
$str = "Hello Friend";
$arr1 = str_split($str);
$arr2 = str_split($str, 3);
print_r($arr1);
print_r($arr2);
?>
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Array
(
[0] => H
[1] => e
[2] => l
[3] => l
[4] => o
[5] =>
[6] => F
[7] => r
[8] => i
[9] => e
[10] => n
[11] => d
)
Array
(
[0] => Hel
[1] => lo
[2] => Fri
[3] => end
)
µÚ¶þ¸öÊÇ£ºÊ¹Óãºexplode ºÍ implodeÀ´×ö
µÚÈý¸öÊÇ£ºÓÃsubstr¿ØÖÆ×Ö·û´®
$tempStr="Hello,World!"
$char_c=substr($tempStr,0,strlen($tempStr));
foreach($char_c as val)
echo(val);