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PHP strchr() Function

PHP strchr() Function

The strchr() function in PHP searches for the first occurrence of the specified string inside another string. It is a binary-safe case -sensitive function and is the alias of strstr() function.

Syntax

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

Parameter

haystack(required)- This parameter represents the input string.

needle(required)- This parameter signifies the string to search for. If it is a number, it will search for the character matching the ASCII value of the number.

before_needle(optional)- This parameter takes a boolean and its value default is "false". If it is set to "true", it returns the part of the string before the first occurrence of the search parameter.

Return

This function returns the portion of the string, or FALSE if the needle is not found.

Example 1 

 

Output

The strchr() function returns World 

Example 2

Output

o PHP!

Example 3

Output

Hello

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