<?php $a =array("red","green","blue"); print_r($a); echo""; $b =array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); print_r($b); ?> Try it Yourself » Definition and Usage The print_r() function prints the information about a variable in a more human-readable way. ...
PHP print_r的函数很好用,可以用来打印数组、对象等的结构与数据,可惜JavaScript并没有原生提供类似的函数。不过我们可以试着自己来实现这个函数,下面提供一些方法与思路。 方法一 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 functionprint_r(theObj) { varretStr =''; if(typeoftheObj =='object')...
array_filter(*array*,*callbackfunction*);array_intersect_uassoc(*array1*,*array2*,*array3*...,*myfunction*)array_intersect_ukey(*array1*,*array2*,*array3*...,*myfunction*)array_reduce(*array*,*myfunction*,*initial*)array_walk(*array*,*myfunction*,*userdata*...)……...
When you are using a print_r in php, it’s a very good idea to remember the print_r pre combo (ie wrap the print_r in a pre tag). The difference being that using pre will allow you to understand the output as it will be preformatted in a way that is easy for humans to see ...
print elapsed time between function calls; search in keys and values (hit ENTER or Shift+ENTER in search field to navigate).UsageInclude nf_pp.php file, create an object and pass options to it.include 'nf_pp.php'; $pp = new nf_pp( array( 'trimString' => 0 ) ); And...
deep hp IN int js js代码 php pr print_r 输出2020-12-11 上传大小:20KB 所需:10积分/C币 一步一步学习PHP(3) php 函数 1. 方法概述 首先,写一个最简单的函数,大家看一眼就可以了: HelloPHP <?php function CustomPrint($str) { for($i=0;$i<5>’); } } CustomPrint(“Hello”); ...
⽤js写了⼀个类似php的print_r输出换⾏功能复制代码代码如下: <!-- var my={ str:'',deep:0,block:' ',get_pre:function(n){ pre='';for(i=0;i<n;i++){ pre+=this.block;} return pre;},show_obj:function(obj){ for(k in obj){ if(typeof(obj[k])!='object' && typeof(obj...
When a closure is exported, the file path and start line number are included in the output: $closure=function() {};// file path is /path/to/example.php, line number is 123// $closure is exported as 'Closure#0{}[/path/to/example.php:123]' ...
在PHP中打印数组的部分 array_map是这样的任务的通用函数,在您的情况下,此代码可以工作: $array = [['login' => "name23", 'id' => 12356], ['login' => "name12", 'id' => 12345], ['login' => "name34", 'id' => 12367]];print_r(array_map(function($data) { return $data['logi...
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