PHP 0=='UNSET'? 刷新你的三观
, Copyright (c) 1998-2017 Zend Technologies lindeMacBook-Pro:l lin$ php -r "var_dump(0==='UNSET');" bool(false) lindeMacBook-Pro:l lin$ php -r "var_dump(0=='UNSET');" bool(true) pi@raspberrypi:l $ php -v ...
PHP数组式访问接口ArrayAccess
x'] = $value, unset($obj['index']) 时,会分别触发这些方法。接口摘要如下: <?php ArrayAccess { /* 方法 */ abstract public boolean offsetExists ( mixed $offset ) abstract public mixed offsetGet ( mixed $offset ) abstract public...
Golang 学习笔记
= 1 // 打印类型 fmt.Printf("%T\n", d) // 5 声明多个 var a, b int = 1, 2 var x, y = 1, "a" var ( a int = 1 b bool = true )常量 iotaconst a int = 1 // iota 使用在 const 括号内 const ( X = iota //0 Y //1 Z //2 )多返回值func f1(...