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The php json_encode function encrypts a two-dimensional array and returns false!!!!!???? Why is this? Please give me some advice.

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The importance of algorithms to phper? How important is it? We sincerely invite PHPer to discuss it.

When browsing PHP technical articles, the code of some articles cannot be displayed. For example, //m.sbmmt.com/php-weizijiaocheng-405893.html page can display the code when I rush to it, but it cannot be seen after a while. I hope it can be solved.

php5.2 + TP3.1 A blank page appears after turning off debug. In a higher version of PHP, there is no problem. Can anyone give me some advice?

I only have a high school education, and as a fresh graduate I have been doing backbreaking physical labor. Later, I felt unwilling to accept it and went to a training institution to study. However, after two-thirds of the study, I couldn't persist due to financial reasons (I was really helpless at the time). Despite this, I still didn't give up. I worked in a fast food restaurant to earn a salary. After get off work, I stayed in the dormitory and watched videos to study on my own. Now I am trying to find a job. Although there are many interview invitations from HR, I have experienced many interviews. I summarized some interview experiences and questions on my page, but I have been unable to find a job. It seems that no company is willing to hire someone with only a high school education.

//m.sbmmt.com/code/16120.html

Recently, I have been learning redis on the Chinese website and it has reached the practical stage: Does any colleague have template resources to prevent Weibo?

When working on a redis cluster, my slave terminal always shows that the master is down and my master also shows that no slave is connected. Please give me some advice: Mine is centos 7 and redis is version 3.0.0 php5.4. Use is a virtual machine