array_rand() to get a random item from the array array_count_values() to count all the values in the array implode() to turn an array into a string array_pop() to remove the last item of the array and return its value array_shift() same as array_pop() but removes the first ite...
使用PHP 和 Oracle Database 11g 开发 Web 2.0 应用程序 本教程介绍如何结合使用 PHP 和 Oracle Database 11g。 大约1 个小时 概述 附录:PHP 入门,了解 PHP 语言。 前提条件 为了学习该动手实践讲座,需要安装以下软件: 创建连接 创建标准连接 要创建一个可在 PHP 脚本生命周期内使用的到 Oracle 的连接,执行以...
// 使用 XPath 获取文章标题$title = ”;$titleNodeList = $xpath->query(‘//h1’);if ($titleNodeList->length > 0) {$title = $titleNodeList->item(0)->nodeValue;} else {echo “Error: Title element not found.”;}// 使用 XPath 获取文章正文内容 $content = ”; $contentNodeList = $xpat...
新增两个函数: random_bytes() and random_int().可以加密的生产被保护的整数和字符串。总之随机数变得安全了。 random_bytes — 加密生存被保护的伪随机字符串 random_int —加密生存被保护的伪随机整数 preg_replace_callback_array() 新增了一个函数preg_replace_callback_array(),使用该函数可以使得在使用pre...
array_has()The array_has function checks that a given item or items exists in an array using "dot" notation:1$array = ['product' => ['name' => 'desk', 'price' => 100]]; 2 3$hasItem = array_has($array, 'product.name'); 4 5// true 6 7$hasItems = array_has($array...
migrate - Atomically transfer a key from a Redis instance to another one move - Move a key to another database object - Inspect the internals of Redis objects persist - Remove the expiration from a key randomKey - Return a random key from the keyspace rename - Rename a key renameNx - Re...
<?php $seed = random_int(0, 1000); $inputIterator = new ArrayIterator(range('a', 'e')); $iterator = new RandomIterableAggregate($inputIterator, $seed); foreach ($iterator as $v) { var_dump($v); } $iterator = new CachingIteratorAggregate( (new RandomIterableAggregate($inputIterator...
The random method returns a random item from the collection:1$collection = collect([1, 2, 3, 4, 5]); 2 3$collection->random(); 4 5// 4 - (retrieved randomly)You may optionally pass an integer to random to specify how many items you would like to randomly retrieve. If that ...
<?php function do_fetch($myeid, $s) { // Fetch the results in an associative array print '$myeid is ' . $myeid . ''; print ''; while ($row = oci_fetch_array($s, OCI_RETURN_NULLS+OCI_ASSOC)) { print ''; foreach ($row as $item) { print ''.($item?htmlentities($item...
$P2PEG->seedRandomDev("some (optional) entropy"); Get a 56bit integer, if system is x64 $int64 = $P2PEG->int(7); Display a random bitmap image $P2PEG->servImg($width,$height,$method='rand32',$itemSize=0); Take care of what$methodyou allow forservImg(), cause it could displa...