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(PHP 4, PHP 5, PHP 7, PHP 8)
settype — 设置变量的类型
var要转换的变量。
type
type 的可能值为：
“boolean”或“bool”
“integer”或“int”
“float”或“double”
"string"
"array"
"object"
“null”
示例 #1 settype() 示例
<?php
$foo = "5bar"; // string
$bar = true; // boolean
settype($foo, "integer"); // $foo 现在是 5 (integer)
settype($bar, "string"); // $bar 现在是 "1" (string)
var_dump($foo, $bar);
?>注意:
“int”的最大值是
PHP_INT_MAX。
