1
2
3
4
5
6
7
8
9
10
<?php
$foo = "5w3cschool"; // string
$bar = true;   // boolean
settype($foo, "integer"); // $foo 现在是 5   (integer)
settype($bar, "string");  // $bar 现在是 "1" (string)
print_r($foo);
print_r($bar);
?>
 
 
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