[請益] 請問我php程式那裏出錯了(用array_keys)

看板PHP作者ying65176517 (孚爸)時間16年前 (2009/10/17 20:42)推噓11(11推 0噓 32→)

留言43則, 4人參與討論串1/1

我想要用array_keys指令來找到我要搜尋xls中的只要有 OTA LOG RR/DCCH DL/Handover Command 00:55:14.921 Length: 0014 的文字的都找到其位置並回報出每一個出現的位置以下是我用書中範例array_keys正確的程式 ************************************* <? $a = array('this','is','a','book','is','pp','is'); $p = array_keys($a , 'is'); $count=count($p); for ($k=0 ; $k <= ($count-1) ; $k++) {//$p[0]=1(即是第1次出現is的位置是陣列中的"1"的位置,) echo'$p['."$k".']='."$p[$k]"."<p>"; } ?> ************************************* 可顯示出 $p[0]=1 $p[1]=4 $p[2]=6 ************************************* 但當我要將之套用在另一個模式中時卻出現不是我要的答案我想要用array_keys指令來找到我要搜尋xls中的只要有 OTA LOG RR/DCCH DL/Handover Command 00:55:14.921 Length: 0014 文字都找到其位置,並將每一個位置傳回至陣列中以下是我用書中範例array_keys正確的程式 ************************************* <? $a = array('this','is','a','book','is','pp','is'); $p = array_keys($a , 'is'); $count=count($p); for ($k=0 ; $k <= ($count-1) ; $k++) {//$p[0]=1(即是第1次出現is的位置是陣列中的"1"的位置,) echo'$p['."$k".']='."$p[$k]"."<p>"; } ?> ************************************* 可顯示出 $p[0]=1 $p[1]=4 $p[2]=6 ************************************* 但當我要將之套用在另一個模式中時卻出現不是我要的答案 ************************************* <?php $datpath = '1.txt'; $lines=file($datpath); //開啟'1.xls'檔案，並將內容全部讀到陣列中 $count=count($lines); //計算陣列元素(幾筆資料) $keys = 'chan_type = 0 (0x0)'; //我要找資料中的'chan_type = 0 (0x0)'位置出來 $p = array_keys($lines , $keys ); print_r($p);//我試著秀出所有$p的值 echo"<p>"; print_r($lines);//秀出所有$lines的值 ?> 卻變成 ************************************************************** Array ( ) Array ( [0] => LOG GSM L1 TxLev/Timing Advance 00:38:03.854 Length: 0004 [1] => ARFCN = 651 [2] => Band = DCS [3] => TX Power Level = 0 [4] => Timing Advance = 0 [5] => LOG GSM L1 TxLev/Timing Advance 00:38:04.324 Length: 0004 [6] => ARFCN = 651 [7] => Band = DCS [8] => TX Power Level = 0 [9] => Timing Advance = 0 [10] => LOG GSM L1 TxLev/Timing Advance 00:38:04.795 Length: 0004 [11] => ARFCN = 651 [12] => Band = DCS [13] => TX Power Level = 0 [14] => Timing Advance = 0 [15] => LOG GSM L1 TxLev/Timing Advance 00:38:05.266 Length: 0004 [16] => ARFCN = 651 [17] => Band = DCS [18] => TX Power Level = 1 [19] => Timing Advance = 0 [20] => LOG GSM L1 TxLev/Timing Advance 00:38:05.737 Length: 0004 [21] => ARFCN = 651 [22] => Band = DCS [23] => TX Power Level = 1 [24] => Timing Advance = 0 [25] => LOG GSM L1 TxLev/Timing Advance 00:38:06.207 Length: 0004 [26] => ARFCN = 651 [27] => Band = DCS [28] => TX Power Level = 1 [29] => Timing Advance = 0 [30] => LOG GSM L1 TxLev/Timing Advance 00:38:06.678 Length: 0004 {中間太多資料..故跳過} [542] => Band = DCS [543] => TX Power Level = 0 [544] => Timing Advance = 1 [545] => OTA LOG RR/DCCH DL/Handover Command 00:38:56.295 Length: 0012 [546] => chan_type = 0 (0x0) ************************************ 上面的Array( )應該會秀出第546 是我要所找的資料位置但為何是空的呢? 我該如何改寫呢?! 有誰能教教我... -- 阿孚的DIY.手作木工.拼布作品的天地 http://blog.udn.com/ying65176517 http://tw.myblog.yahoo.com/ying65176517-ying65176517/ http://blog.yam.com/ying65176517 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.229.82.148

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