PHP bin2hex() Function
Example
Convert "Hello World!" to hexadecimal values:
<?php
$str = bin2hex("Hello World!");
echo($str);
?>
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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
bin2hex(string)
Parameter Values
| Parameter | Description |
|---|---|
| string | Required. The string to be converted |
Technical Details
| Return Value: | Returns the hexadecimal value of the converted string |
|---|---|
| PHP Version: | 4+ |
More Examples
Example
Convert a string value from binary to hex and back:
<?php
$str = "Hello world!";
echo bin2hex($str) . "<br>";
echo pack("H*",bin2hex($str)) . "<br>";
?>
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❮ PHP String Reference
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