print_r() function is one of the built-in functions in PHP used to print or show the contents of a variable. It typically prints a human-readable format about a variable and the value, if it is a string, integer, or float. If you provide an array, it can show the values in a ...
In this post, I will share a short and simple code onhow to print and write array values to files in PHP. If you have a task or problem that needs to write the array value to a file then this is for you. In this example, I'm usingfile_put_contents()to put the value to a f...
PHP Print Array Examples The following are examples of printing an array in PHP: Displaying information about an array using var_dump() To display information about an array in PHP, you can use the var_dump() function, which dumps structured information such as the type and value of a gi...
print_r()函数是另一个PHP预定义的函数,用于打印数组的内容。与使用var_dump()函数相比,print_r()打印的数组信息更简单和易于阅读,并且可以以更漂亮的格式输出。 以下是PHP中使用print_r()函数打印数组的示例代码: <?php $fruits = array("apple", "banana", "orange", "watermelon"); echo ""; print...
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Theprint_rPHP function is used to return an array in a human readable form. It is written as: print_r($your_array) In this example, an array is defined and printed. The tagindicates the following code is preformatted text. This tag causes the text to be displayed in a fixed-width fo...
PHP 报错--Array to string conversion,请用print_r() 来输出数组 报错如下: 原因:数组不能用 echo 来输出 解决办法:print_r() 来输出数组 解决办法:var_dump() 来查看数据类型
<?phpif(!empty($value['group'])) {foreach($GLOBALS['system']->getDBObjectData('person_group',array('(id'=> $value['group']))as$group) {echoents($group['name']) .''; } }else{echo'(None)'; }?> <?php}else{returnparent...
$result .=print_array( $param );else$result .="$b => $param";return$result; } 开发者ID:ruslanBik4,项目名称:allservice_in_ua,代码行数:10,代码来源:params.php 示例7: merge_sort ▲点赞 1▼ functionmerge_sort(&$a, $l =0, $r =-1, $tmp_v = array()){// gestisce la prima...
<?php $arr=array(1,2,3,4); print_r($arr); ?> 1. 2. 3. 4. 输出结果为 Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) ... 7 var_dump(); 功能: 输出变量的内容,类型或字符串