PHP下最靈活的東西就是陣列,很多資料都是通過陣列的方式顯示,整理下陣列的遍歷方法,以下是小編整理的php遍歷陣列的`方法分享,歡迎來閱讀!
在PHP中陣列分為兩類: 數字索引陣列和關聯陣列。
其中數字索引陣列和C語言中的陣列一樣,下標是為0,1,2…
而關聯陣列下標可能是任意型別,與其它語言中的hash,map等結構相似。
方法1:foreach
複製程式碼 程式碼如下:
<?php
$sports = array(
'football' => 'good',
'swimming' => 'very well',
'running' => 'not good');
foreach ($sports as $key => $value) {
echo $key.": ".$value."<br />";
}
?>
輸出結果:
football: good
swimming: very well
running: not good
方法2:each
複製程式碼 程式碼如下:
<?php
$sports = array(
'football' => 'good',
'swimming' => 'very well',
'running' => 'not good');
while (!!$elem = each($sports)) {
echo $elem['key'].": ".$elem['value']."<br />";
}
?>
輸出結果:
football: good
swimming: very well
running: not good
方法3:list & each
複製程式碼 程式碼如下:
<?php
$sports = array(
'football' => 'good',
'swimming' => 'very well',
'running' => 'not good');
while (!!list($key, $value) = each($sports)) {
echo $key.": ".$value."<br />";
}
?>
輸出結果:
football: good
swimming: very well
running: not good