–(float) 或 (double):将值转换为浮点数类型。 –(string):将值转换为字符串类型。 –(array):将值转换为数组类型。 –(bool) 或 (boolean):将值转换为布尔类型。 示例代码: “`php $value = 5; $intValue = (int) $value; $floatValue = (float) $value; $stringValue = (string) $value; $...
1. Convert integer array to string In the following example, we take an array of numbers, and convert the array to string, using,as separator between the elements of array. PHP Program </> Copy <?php$arr=array(5,2,9,1);$output=implode(", ",$arr);printf("Output String : %s",$o...
2. Convert nested Associative array into JSON string In this example, we take a nested associative array, where the value for a key in the outer array is another array, and convert it into a JSON string usingjson_encode()function. PHP Program </> Copy <?php $arr = array( "a" => ...
}//convert a string generated with Array2String() back to the original (multidimensional) array // usage: array String2Array ( string String)functionString2Array($String) {$Return=array();$String=urldecode($String);$TempArray=explode('||',$String);$NullValue=urlencode(base64_encode("^^^"...
a - array b -booleand -doublei -integero - commonobjectr - reference s -stringC -customobjectO -classN - null R - pointer reference U -unicodestring 其输出结果的含义为 O:4:"user":2:{s:4:"name";s:4:"Aria";s:3:"age";i:20;} ...
("Spaceman",566,'Test String');unset($test);// 主动销毁先执行__destruct再执行下面的echoecho'566'.'';echo'---';// 程序结束自动销毁$test=newtest("Spaceman",566,'Test String');// 自动销毁先执行下面的echo,程序结束才执行__destructecho'666'.'';?>运行结果: __construct 初始化__destruc...
a-array b-boolean d-double i-integer o-common object r-reference s-stringC-custom objectO-classN-nullR-pointer referenceU-unicode string php反序列化样例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <?phpclassmessage{public$from='d';public$msg='m';public$to='1';public$token='use...
$encodeString=convert_uuencode($str);//编码相当于加密 echo$encodeString." "; 1. 2. 3. 4. 5. $str="PHP is pretty fun!!"; $strArray=count_chars($str,1);//模式一,ASCII 值为键名(字符),出现的次数为键值(字符出现的次数): foreach($strArrayas$key=>$value) { ...
Array ( [0] => Hello, [1] => how are you? ) In this example, the limit parameter is set to 2, so theexplode()function returns an array with a maximum of 2 elements. The first element is the first word, and the second element is the rest of the string. ...
Theechoandprintstatements are used to output strings or scalar values (a single value that is not an array eg. string, integer, or a floating-point), but not arrays. When you try to use echo or print on an array, the PHP interpreter will convert your array to a literal stringArray, ...