PHP strchr() function

by Online Tutorials Library July 22, 2022

PHP string strchr() Function

The string strchr() function is predefined function of PHP. It is the alias of strstr() function or can used to search for the first occurrence of a given string.

Note: This function is case sensitive and binary-safe.

Syntax:

Parameter	Description	Required/Optional
String	Specify the string to search.	Required
Search	Specify the string to search. If parameter is number then return ASCII value.	required
before_search	It is false when default value is boolean. If it is true then returns the pars of the string before the first occurrence of the search parameter	Optional

Example 1

  <?php  //It will return the first occurrence of “PHP” inside “Hello PHP” and return the rest of the string:  $str1=”Hello PHP”;  $str2=”PHP”;  echo strchr($str1,$str2);  ?>  

Output:

PHP

Example 2

  <?php   //It will  Search a string for the ASCII value of “P” and return the rest of the string:  $str=”Hello PHP”;  echo strchr(“PHP TutorAspire!”,112);  ?>  

Output:

point!

Example 3

  <?php   //It will return the part of the string before the first occurence of “PHP”:  $str1=”Hello PHP”;  $str2=”PHP”;  echo strchr($str1,$str2,true);  ?>  

Output:

Hello

References:

http://php.net/manual/en/function.strchr.php

Next TopicPHP String

PHP strchr() function

PHP string strchr() Function

Note: This function is case sensitive and binary-safe.

Syntax:

Example 1

Example 2

Example 3

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