Table of Contents [hide] Introduction How to print an array in PHP? 1) print_r() function: 2) var_dump() function: 3) json_encode() function: 4) foreach() loop: Introduction An array is one kind of data structure, which can store multiple items of related data types. The printing...
(1) print和echo是语言结构,echo输出多个值,多个值之间用逗号分隔,无返回值;print只能输出一个值,有返回值。echo和print输出整型和字符串,没法打印布尔型,如果true,打印1,false打印为空。 (2) print_r()除了输出整型和字符串,还可以输出数组和对象,数组和对象使用键值对形式表示,数组时候array(键值对形式);对象...
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
In this post, I will share a short and simple code on how 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 using file_put_contents() to put the value to...
print_r($end_array);functiontext_to_array($str){//Initialize arrays$keys=array();$values=array();$output=array();//Is it an array?if(substr($str,0,5) =='Array') {//Let's parse it (hopefully it won't clash)$array_contents=substr($str,7, -2);$array_contents=str_replace(...
Printing array using PHP functions Echo array element It shows how to print a single array element using PHP echo(). It prints the first element of the input array assigned in the below code. <?php$color=array("Red","Blue","Green");echo"First Element: ".$color[0]; ...
PHP Print Array Example PHP Array JSON Example PHP Split String Example PHP Form POST Example PHP String Compare Example PHP In Array Example PHP GET Request Example PHP JSON Encode Example PHP Lowercase String Example PHP Substr Example PHP Parse JSON Example PHP Array Push Examp...
2、output array 代码 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $arr=array("a"=>1,"b"=>"222","c"=>3,);var_export($arr);print_r($arr);var_dump($arr);echo'---'.'';file_put_contents("index.log",var_export($arr,true).PHP_EOL,FILE_APPEND);file_put_contents("index...
Array([0] => Rose[1] => Lili[2] => Jasmine[3] => Hibiscus[4] => Tulip[5] => Sun Flower[6] => Daffodil[7] => Daisy) Usevar_dump()Function to Echo or Print an Array in PHP Thevar_dump()function is used to print the details of any variable or expression. It prints the...
2、output array 代码 Copy $arr=array("a"=>1,"b"=>"222","c"=>3, );var_export($arr);print_r($arr);var_dump($arr);echo'---'.'';file_put_contents("index.log",var_export($arr,true) . PHP_EOL, FILE_APPEND);file_put_contents("index.log",print_r($arr,true) . PHP_EOL,...