PHP bin2hex() Function
 Complete PHP String Reference
Definition and Usage
The bin2hex() function converts a string of ASCII characters to hexadecimal
values. The string can be converted back using the pack() function.
Syntax
| Parameter |
Description |
| string |
Required. The string to be converted |
Example
In this example we will convert a string value from binary to hex and back:
<?php
$str = "Hello world!";
echo bin2hex($str) . "<br />";
echo pack("H*",bin2hex($str)) . "<br />";
?>
|
The output of the code above will be:
48656c6c6f20776f726c6421
Hello world!
|
Complete PHP String Reference
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