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请问一段PHP代码是什么意思?

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Release: 2016-06-23 13:44:06
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在网上看到一段PHP代码,由于我没学过PHP,不知道是什么意思,求各位大虾帮忙解释。。。。。。

<?phpif ($_REQUEST['root'] == "source"):?>[	{		"text": "1. Pre Lunch (120 min)",		"expanded": true,		"classes": "important",		"children":		[			{				"text": "1.1 The State of the Powerdome (30 min)"			},		 	{				"text": "1.2 The Future of jQuery (30 min)"			},		 	{				"text": "1.2 jQuery UI - A step to richnessy (60 min)"			}		]	},	{		"text": "2. Lunch  (60 min)"	},	{		"text": "3. After Lunch  (120+ min)",		"children":		[			{				"text": "3.1 jQuery Calendar Success Story (20 min)"			},		 	{				"text": "3.2 jQuery and Ruby Web Frameworks (20 min)"			},		 	{				"text": "3.3 Hey, I Can Do That! (20 min)"			},		 	{				"text": "3.4 Taconite and Form (20 min)"			},		 	{				"text": "3.5 Server-side JavaScript with jQuery and AOLserver (20 min)"			},		 	{				"text": "3.6 The Onion: How to add features without adding features (20 min)",				"id": "36",				"hasChildren": true			},		 	{				"text": "3.7 Visualizations with JavaScript and Canvas (20 min)"			},		 	{				"text": "3.8 ActiveDOM (20 min)"			},		 	{				"text": "3.8 Growing jQuery (20 min)"			}		]	}]<?php else: sleep(1); ?>[	{		"text": "1. Review of existing structures",		"expanded": true,		"children":		[			{				"text": "1.1 jQuery core"			},		 	{				"text": "1.2 metaplugins"			}		]	},	{		"text": "2. Wrapper plugins"	},	{		"text": "3. Summary"	},	{		"text": "4. Questions and answers"	}	]<?php endif; ?>
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回复讨论(解决方案)

 中间的才是php代码

其余的是个json格式字符串

似乎在拼凑json的数据

我好想知道蹭的那些是什么代码 是  javascript 吗?

这基本不是php
整个文件绝大部分是json

。。。。
?>
这个符号里面的才是php,你这是php嵌入到json中,php起判断作用

如果传root参数
生成一个json数据
否则小睡会生成另一个json数据

这个json数据会有别的js去处理的

脱离上下文,这是一段毫无意义的代码

这难道不是一份表格?
好吧,我是初学者= =

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