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wxxiong6
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Update README.md
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README.md

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@@ -18,3 +18,28 @@ $ret->count();
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$ret->getSize();
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$res->toArray();
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```
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二维ArrayList
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```php
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$ret = new ArrayList(10);
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$ret2 = new ArrayList(3);
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$ret2->add(1);
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$ret2->add(2);
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$ret2->add(3);
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$ret->add($ret2);
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for ($i=0; $i<$ret->count(); $i++) {
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for ($j=0; $j<$ret2->count(); $j++) {
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var_dump($ret2->get($j));
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}
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}
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```
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ArrayList存array
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```php
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$ret3 = new ArrayList(1);
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$ret3->add([1, 3,4,5, 6,]);
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$ret3->add([3, 4,5,6, 7,]);
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for ($i=0; $i<$ret3->count(); $i++)
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foreach($ret3->get($i) as $v){
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var_dump($v);
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}
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}
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```

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