A set of written test questions for PHP programmer interviews

We provide you with a set of PHP programmer interview questions. Here are the note-taking questions. Friends in need can refer to them.

This PHP interview questions include fill-in-the-blank questions, short answer questions, design questions and logic questions. Logic questions are the most interesting among this PHP interview questions. Friends in need, please refer to it.

1. Fill in the blanks 1.What language is PHP written in? 2. The current highest version of PHP is 3. The full name of LAMP is 4. Three comment methods in PHP 5. What symbols are used to define variables in PHP

2. Short answer questions 1. Please list the 8 data types of PHP.

2. There are several ways to load code in PHP, and list them. Take the Config.php file in the same directory as an example?

3. What does === mean in PHP?

4.What kinds of access modifiers can be used in PHP objects, and what are the default modifiers?

3. Design questions 1.$I=2, programming to determine whether $I is an integer, if so, output $I, if not, output "non-integer variable"?

2.$m = “ MY name IS PHP ” Programming to remove the spaces before and after the string in $m and the spaces in the middle, and convert them all into lowercase letters, and finally output the number of letters in $m and $m?

3. Write a function to retrieve the file extension from a standard URL as efficiently as possible For example: http://bbs.it-home.org/abc/de/fg.php?id=1 You need to remove php or .php

4.$m = “woxihuanphp”, programming implementation: split the string into individual characters, store them in an array, and print the array?

5.$username = “4a_c4_5”, Programming implementation: Check whether $username meets the requirements. The username starts with a letter or an underscore and can only be composed of letters, numbers and underscores?

6. In PHP, heredoc is a special string, and its end mark must be?

7. Use class programming to implement: There are two private properties in the Stu class, name and sex, and two public methods, SetName() and SetSex(), with customized parameters. The methods can modify the two private properties. It is required that private properties be initialized when instantiating a class.

8. Write a function to calculate the relative paths of two files Such as $a = ‘/a/b/c/d/e.php’; $b = ‘/a/b/12/34/c.php’; Calculate the relative path of $b relative to $a should be ../../c/d add ()

4. Logic questions 1. I am a man. If your son is the father of my son, then what am I to you? 2. The combined length of the Porter River and the Harry River is 850 miles. The Harry River is 250 miles shorter than the Porter River. How many miles is the Porter River long? ABD and CBA are opposite, so who is QRT opposite?