Difference between strstr and stristr in php

strstr() and stristr both are used to find the first occurence of the string.

stristr( ) is case insensitive and strstr( ) is case sensitive.


string strstr ( string $haystack , mixed $needle [, bool $before_needle = false ] )

haystack
The input string.
needle
If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.
before_needle
If TRUE, strstr() returns the part of the haystack before the first occurrence of the needle (excluding the needle). By default it is FALSE.

strstr() – Find first occurrence of a string Continue reading

.htaccess and its features

HTACCESS means HyperText Access.

.htaccess files should be used in a case where the content providers need to make configuration changes to the server on a per-directory basis, but do not have root access on the server system.

Some main features of .htaccess file are:

  • ability to password protect folders
  • ban / allow users using IP addresses
  • stop directory listings
  • enable complete error reporting
  • redirect users to another page or directory automatically
  • create and use custom error pages
  • Adding MIME types
  • Setting server timezone
  • Enable SSI (Server Side Includes) with .htaccess
  • Ensuring media files are downloaded instead of played
  • Preventing requests with invalid characters
  • change the way files with certain extensions are utilized
  • use a different file as the index file by specifying the file extension or specific file.

Types of Errors in PHP

Basically there are four types of errors in PHP, which are as follows:

  1. Parse Error (Syntax Error)
  2. Fatal Error
  3. Warning Error
  4. Notice Error

1. Parse Errors (syntax errors)

The parse error occurs if there is a syntax mistake in the script; the output is Parse errors. A parse error stops the execution of the script. There are many reasons for the occurrence of parse errors in PHP. The common reasons for parse errors are as follows:

Common reason of syntax errors are:

  • Unclosed quotes
  • Missing or Extra parentheses
  • Unclosed braces
  • Missing semicolon

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