PHP Interview Questions – Set 07

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How to stop the execution of PHP script?

The exit() function is used to stop the execution of PHP script.

How to read a file in PHP?

PHP provides various functions to read data from the file. Different functions allow you to read all file data, read data line by line, and read data character by character.

PHP file read functions are given below:

  • fread()
  • fgets()
  • fgetc()

What is the meaning of a Persistent Cookie?

A persistent cookie is permanently stored in a cookie file on the browser’s computer. By default, cookies are temporary and are erased if we close the browser.

What are the ways to include file in PHP?

PHP allows you to include file so that page content can be reused again. There are two ways to add the file in PHP.

  1. include
  2. require

Explain some of the PHP array functions?

There are many array functions in PHP:

  • array()
  • array_change_key_case()
  • array_chunk()
  • count()
  • sort()
  • array_reverse()
  • array_search()
  • array_intersect()

What is the use of the function ‘imagetypes()’?

imagetypes() gives the image format and types supported by the current version of GD-PHP.

How do you connect MySQL database with PHP?

There are two methods to connect MySQL database with PHP. Procedural and object-oriented style.

What are the encryption functions in PHP?

CRYPT() and MD5()

How to write in a file in PHP?

PHP fwrite() and fputs() functions are used to write data into file. To write data into a file, you need to use w, r+, w+, x, x+, c or c+ mode.