$result=mysql_query("SELECT * FROM books");// Iterate over the structurewhile($row=mysql_fetch_array($result)){// do stuff} 要遍历文本文件的内容,我们可以: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $fh=fopen("books.txt","r");// Iterate over the structurewhile(!feof($fh)){...
// Fetch the "aggregate structure"$result=mysql_query("SELECT * FROM users");// Iterate over the structurewhile($row=mysql_fetch_array($result)){// do stuff with the row here} 读出一个目录中的内容,需要这样写: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // Fetch the "aggregate ...
In Visual Basic .NET, the equivalent is theFor Each...Nextstatement. Code Sample 8 shows an example of looping over an array in each language.Code Sample 8. foreach loop in PHP$i = 0; foreach($a as $v) { print "\$Key[$i]$v \n"; $i++; } ...
If a request does not have a name, PhpStorm will use its position in the request file (such as#1) as the request name. If a request file contains multiple requests with the same name, PhpStorm will append the request position number to each of the names. This will make each request n...
Template oriented syntaxTwig has shortcuts for common patterns, like having a default text displayed when you iterate over an empty array: 1 2 3 4 5 {%foruser in users %}*{{ user.name }}{%else%}No users have been found.{%endfor%} ...
The Collection class provides a variety of helpful methods for working with your Eloquent results. Of course, you may simply loop over this collection like an array:1foreach ($flights as $flight) { 2 echo $flight->name; 3}Chunking ResultsIf you need to process thousands of Eloquent records...
($meals as $dish => $price) { // $price = $price * 2 does NOT work $meals[$dish] = $meals[$dish] * 2; } // Iterate over the array again and print the changed values foreach ($meals as $dish => $price) { printf("The new price of %s is \$%.2f.\n",$dish,$price)...
The first argument is the view partial to render for each element in the array or collection. The second argument is the array or collection you wish to iterate over, while the third argument is the variable name that will be assigned to the current iteration within the view. So, for ...
The foreach command is useful to iterate over arrays:$a3 = array('Aa', 'Bb', 'Cc'); foreach ($a3 as $v) { echo $v; }This sets $v to each element of the array in turn.A function may be defined:function myfunc($p1, $p2) { echo $p1, $p2; return $p1 + $p2; }...
Passing a collection of services instances in an array may prove inefficient if the class that consumes the collection only needs to iterate over it at a later stage, when one of its method is called. It can also lead to problems if there is a circular dependency between one of the servic...