以变量形式输出:".$id.' '.$name." ".$age;echo"<br/>==============parse_str带参数================<br/>";parse_str("id=23&name=bill&age=26",$myarray);print_r($myarray); 输出:==============parse_str================不带参数,以变量
❮ PHP Array Reference ExampleGet your own PHP Server Send each value of an array to a function, multiply each value by itself, and return an array with the new values: <?php functionmyfunction($v) { return($v*$v); } $a=array(1,2,3,4,5); ...
preg_split ( string $pattern , string $subject [, int $limit = -1 [, int $flags = 0 ]] ) : array 正则分隔字符串参考:https://www.php.net/manual/zh/function.preg-split.php
PHP 5.2.1: The resulting array of keys is no longer shuffled PHP 4.2: The random number generator is seeded automatically More Examples Example Return a random key from an array: <?php $a=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow"); ...
array(value1,value2,value3,etc.);Syntax for associative arrays: array(key=>value,key=>value,key=>value,etc.);ParameterDescription key Specifies the key (numeric or string) value Specifies the valueTechnical DetailsReturn Value: Returns an array of the parameters PHP Version: 4+ Changelog: As...
<?php if (!function_exists('array_walk_recursive')) { function array_walk_recursive(&$input, $funcname, $userdata = "") { if (!is_callable($funcname)) { return false; } if (!is_array($input)) { return false; } foreach ($input AS $key => $value) ...
PHP中的函数（Function）是一种封装了一系列语句的可重复使用的代码块。通过函数，我们可以将一段代码逻辑进行封装，然后在需要的地方多次调用，以实现代码的复用和提高程序的可读性。使用function关键字来定义一个函数。函数定义的基本语法如下：function函数名(参数1,参数2,...) { //函数体，包含一系列语句 return...
phpfunctionmode_key($k){return($k%2==0);}functionmode_value_key($v,$k){return($v%2==0)&&($k%2==0);}$Arr=array(10,12,15,17,20,22,25);//selecting only even keysprint_r(array_filter($Arr,'mode_key',ARRAY_FILTER_USE_KEY));echo"\n";//selecting even keys and values...
Return value: An array of all the keys of input_arrray. Value Type:Array Example - 1: <?php$array1=array("Orange"=>100,"Apple"=>200,"Banana"=>300,"Cherry"=>400);print_r(array_keys($array1));?> Copy Output: Array ( [0] => Orange [1] => Apple [2] => Banana [3] =...
Return Value:Returns an array of the parameters PHP Version:4+ Changelog:As of PHP 5.4, it is possible to use a short array syntax, which replaces array() with []. E.g. $cars=["Volvo","BMW"]; instead of $cars=array("Volvo","BMW"); ...