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PHP strchr() Function

❮ PHP String Reference


Find the first occurrence of "world" inside "Hello world!" and return the rest of the string:

echo strchr("Hello world!","world");
Try it Yourself »

Definition and Usage

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

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

Note: This function is binary-safe.

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



Parameter Values

Parameter Description
string Required. Specifies the string to search
search Required. Specifies the string to search for. If this parameter is a number, it will search for the character matching the ASCII value of the number
before_search Optional. A boolean value whose default is "false". If set to "true", it returns the part of the string before the first occurrence of the search parameter.

Technical Details

Return Value: Returns the rest of the string (from the matching point), or FALSE, if the string to search for is not found.
PHP Version: 4+
Changelog: The before_search parameter was added in PHP 5.3

More Examples


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

echo strchr("Hello world!",111);
Try it Yourself »


Return the part of the string before the first occurence of "world":

echo strchr("Hello world!","world",true);
Try it Yourself »

❮ PHP String Reference