PHP strchr() ফাংশন

PHP String Function

একটি উদাহরণ

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<?php
echo strchr("Hello world!","world");
?>

Run Instance

Definition and Usage

The strchr() function searches for the first occurrence of a string in another string.

This function is an alias of the strstr() function.

Note:This function is binary safe.

Note:This function is case-sensitive. For case-insensitive search, please use stristr() Function.

Syntax

strchr(string,search,before_search);
Parameter Description
string Required. Specifies the string to be searched in.
search

Required. Specifies the string to be searched.

If the parameter is a number, it will search for the character corresponding to the ASCII value of the number.
before_search

Optional. The default value is "false" boolean value.

If set to "true", it will return search The string part before the first occurrence of the parameter.

Technical Details

Return Value: Return the rest of the string (from the match point). If the searched string is not found, return FALSE.
PHP Version: 4+
Update Log: In PHP 5.3, a new before_search Parameters.

More Examples

Example 1

Search the string by the ASCII value of "o" and return the rest of the string:

<?php
echo strchr("Hello world!",111);
?>

Run Instance

Example 2

Return the string part before the first occurrence of the searched string:

<?php
echo strchr("Hello world!","world",true);
?>

Run Instance

PHP String Function