PHP Functions Essential Reference

bin2hex

string bin2hex(string string) 

Converts a string value from binary to hexadecimal.

Returns:

Hexadecimal value

Description:

bin2hex() converts a string of ASCII characters to their corresponding hexadecimal values. Note that any value passed to the function is converted to an ASCII string (if possible). The string can be converted back using pack(). See the examples.

Version:

PHP 3.0.9+, PHP 4+

See also:

Other functions that deal with the ASCII value of a character:

chr() 
ord() 
pack() 
printf() 
sprintf() 
unpack() 

Examples:

Demonstrate how bin2hex() converts a string

<pre> <?php $string = "I'm a lumberjack and I'm ok...\n"; // Convert a string to its hex representation $hex_string = bin2hex ($string); echo $hex_string, "\n"; // Convert ...