PHP闭包的语法是什么？
php的闭包（Closure）也就是匿名函数。是PHP5.3引入的。
闭包的语法很简单，需要注意的关键字就只有use，use意思是连接闭包和外界变量。
$a =function()use($b) {
}更多相关技术文章，请访问PHP中文网！
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