php之数组篇

最新推荐文章于 2025-08-11 23:47:13 发布

原创最新推荐文章于 2025-08-11 23:47:13 发布 · 362 阅读

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#php #variables #list #each #insert

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<html> <head>  <title> </title> </head>  <body> <?php $arr[0] = "andylin"; $arr["2"] = "lihong"; $arr[3] = "congfeng"; $arrNum = range(0, 9); $arrChar = range('A', 'z'); echo "=================== Test Simple Array =================== /n"; var_dump($arr); echo " /n"; var_dump($arrNum); echo " /n"; var_dump($arrChar); echo " /n"; echo "arr[1] = $arr[1] /n"; echo "=================== Test Mutil Array =================== /n"; $arrMutl = array($arr, $arrNum, $arrChar); var_dump($arrMutl); echo " /n"; echo "{$arrMutl[0][0]} /n"; echo "===================== Test for list ================= /n"; list($strName1, $strName2, $strName3) = $arr; echo "strName1 = $strName1 /n"; echo "strName2 = $strName2 /n"; echo "strName3 = $strName3 /n"; var_dump($arr); echo " /n"; echo "===================== Test for Keys ================= /n"; $arrKey = array_keys($arr); var_dump($arrKey); echo " /n"; echo "===================== Test for remove & insert ================= /n"; $arrOrg = array("andylin", "lihong", "congfeng", "lfp", "carl"); echo "before remove... /n"; echo "arrOrg: /n"; var_dump($arrOrg); echo " /n"; $arrRemove = array_splice($arrOrg, 2, 2); echo "after firest remove... /n"; echo "arrOrg: /n"; var_dump($arrOrg); echo " /n"; echo "arrRemove: /n"; var_dump($arrRemove); echo " /n"; array_splice($arrOrg, 3, 1, $arrRemove); echo "after second remove... /n"; echo "arrOrg: /n"; var_dump($arrOrg); echo " /n"; echo "===================== Test for Array & Variables ================= /n"; $arrInfo = array('name' => 'andylin', 'age' => 27, 'wife' => 'lihong'); extract($arrInfo, EXTR_PREFIX_ALL, "info"); echo "info_name = $info_name /n"; echo "info_age = $info_age /n"; echo "wife = $info_wife /n"; $arrInfo2 = compact('info_name', 'info_age', 'info_wife'); var_dump($arrInfo2); echo " /n"; echo "info of array arrInfo2 /n"; foreach ($arrInfo2 as $key => $val) { echo "$key = > $val/t"; } echo " /n"; echo "info of array arrInfo2 print by each /n"; reset($arrInfo2); while (list($key, $val) = each($arrInfo2)) { echo "[$key] = > $val/t"; } echo " /n"; ?> </body> </html>