php逐行读取文本文件，然后处理空格分隔文本，输出为数组的方法。
文本文档text.txt内容：
<span style="color: #000000;">1 字段1 字段2 2 字段1 字段2 3 字段1 字段2 4 字段1 字段2 </span>
文本和文本之间用空格隔开，用php经过处理，输出为数组，一下是代码
<span style="color: #000000;">php
</span><span style="color: #800080;">$file</span> = <span style="color: #008080;">fopen</span>("text.txt", "r") or <span style="color: #0000ff;">exit</span>("Unable to open file!"<span style="color: #000000;">);
</span><span style="color: #0000ff;">while</span>(!<span style="color: #008080;">feof</span>(<span style="color: #800080;">$file</span><span style="color: #000000;">))
{
</span><span style="color: #800080;">$arr</span> = <span style="color: #008080;">split</span>(' ' , <span style="color: #008080;">fgets</span>(<span style="color: #800080;">$file</span><span style="color: #000000;">));
</span><span style="color: #008080;">print_r</span>(<span style="color: #800080;">$arr</span><span style="color: #000000;">);
}
</span><span style="color: #008080;">fclose</span>(<span style="color: #800080;">$file</span><span style="color: #000000;">);
</span>?>
?输出结果：
<span style="color: #0000ff;">Array</span><span style="color: #000000;">
(
[</span>0] => 1<span style="color: #000000;">
[</span>1] =><span style="color: #000000;"> 字段1
[</span>2] =><span style="color: #000000;"> 字段2
)
</span><span style="color: #0000ff;">Array</span><span style="color: #000000;">
(
[</span>0] => 2<span style="color: #000000;">
[</span>1] =><span style="color: #000000;"> 字段1
[</span>2] =><span style="color: #000000;"> 字段2
)
</span><span style="color: #0000ff;">Array</span><span style="color: #000000;">
(
[</span>0] => 3<span style="color: #000000;">
[</span>1] =><span style="color: #000000;"> 字段1
[</span>2] =><span style="color: #000000;"> 字段2
)
</span><span style="color: #0000ff;">Array</span><span style="color: #000000;">
(
[</span>0] => 4<span style="color: #000000;">
[</span>1] =><span style="color: #000000;"> 字段1
[</span>2] =><span style="color: #000000;"> 字段2
) </span>
这样就实现了PHP用空格分割文本为数组的方法
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