PHP chr() Function
Example
Returns characters from different ASCII values:
<?php echo chr(61) . "<br>"; // Decimal echo chr(061) . "<br>"; // Octal value echo chr(0x61) . "<br>"; // Hexadecimal value ?>
Definition and Usage
The chr() function returns a character from the specified ASCII value.
ASCII values can be specified as decimal values, octal values, or hexadecimal values. Octal values are defined with a prefix of 0, while hexadecimal values are defined with a prefix of 0x.
Syntax
chr(ascii)
Parameter | Description |
---|---|
ascii | Required. ASCII value. |
Technical Details
Return Value: | Returns the specified character. |
PHP Version: | 4+ |
More Examples
Example 1
Use octal value 046 to add ASCII character: &.
<?php $str = chr(046); echo("You $str me forever!"); ?>
Example 2
Use decimal values 43 and 61 to add ASCII characters: + and =.
<?php $str = chr(43); $str2 = chr(61); echo("2 $str 2 $str2 4"); ?>