我有这个数组...如何打印每个文件路径和文件名？做这个的最好方式是什么？
Array ( [0] => Array ( [fid] => 14 [list] => 1 [data] => Array ( [alt] => [title] => ) [uid] => 1 [filename] => trucks_10785.jpg [filepath] => sites/default/files/trucks_10785.jpg [filemime] => image/jpeg [filesize] => 143648 [status] => 1 [timestamp] => 1291424171 [nid] => 8 ) [1] => Array ( [fid] => 19 [list] => 1 [data] => Array ( [alt] => [title] => ) [uid] => 1 [filename] => school.jpg [filepath] => sites/default/files/school.jpg [filemime] => image/jpeg [filesize] => 115355 [status] => 1 [timestamp] => 1292029563 [nid] => 8 ) [2] => Array ( [fid] => 20 [list] => 1 [data] => Array ( [alt] => [title] => )
[uid] => 1 [filename] => Life_is_wonderful_by_iNeedChemicalX.jpg [filepath] => sites/default/files/Life_is_wonderful_by_iNeedChemicalX_0.jpg [filemime] => image/jpeg [filesize] => 82580 [status] => 1 [timestamp] => 1292029572 [nid] => 8 ) [3] => Array ( [fid] => 21 [list] => 1 [data] => Array ( [alt] => [title] => ) [uid] => 1 [filename] => school_rural.jpg [filepath] => sites/default/files/school_rural.jpg [filemime] => image/jpeg [filesize] => 375088 [status] => 1 [timestamp] => 1292029582 [nid] => 8 ) ) 问题来源于stack overflow
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使用foreach无键循环
foreach($array as $item) { echo $item['filename']; echo $item['filepath'];
// to know what's in $item
echo '<pre>'; var_dump($item);
} 使用foreach键循环
foreach($array as $i => $item) { echo $array[$i]['filename']; echo $array[$i]['filepath'];
// $array[$i] is same as $item
} 使用for循环
for ($i = 0; $i < count($array); $i++) { echo $array[$i]['filename']; echo $array[$i]['filepath']; } var_dump 是获取数组或对象快照的非常有用的功能。