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<title>PHP 中数组的遍历</title>
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<header>PHP 中数组的遍历</header>
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<?
$a = array('one','two','name',1,2,false,[11,22],true);
echo '<div><p>sort() 对数组进行排序,默认按数值进行排序:<pre>';
sort($a);
print_r($a);
var_dump($a);
echo '</pre></p>';
echo '<p>按ASSC 码值排序:<pre>';
sort($a,SORT_STRING);
print_r($a);
echo '</pre></p>';
$string = 'where are you';
echo '<p> 字符串长度方法: strlen()<pre>';
echo $string."\n";
echo '数组的长度是:',strlen($string);
echo '</pre></p>';
//字符串与数组间的转换
$a2 = str_split($string);
echo '<p>字符串转换成数组<pre>';
print_r($a2);
echo '</pre></p>';
echo '<p><pre>';
$a3 = str_split($string,3);
print_r($a3);
echo '<br/>';
var_dump($a3);
echo '</pre></p>';
echo '<p><pre>';
$a4 = explode(' ',$string);
print_r($a4);
echo '</pre></p>';
echo '</div>';
echo '<p>将数组转换为字符串</p>';
$a5 = array('long','time','no','see','!!');
$string2 = implode(' ',$a5);
print_r($a5);
echo '<hr>';
echo $string2;
?>
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