PHP bin2hex()

The bin2hex() function converts a string of characters to a string of hexadecimal values.

Note: This function does NOT convert strings representing binary digits to hexadecimal values.

Syntax

bin2hex(char_string);

The bin2hex() function takes only one parameter as a string, char_string. The function returns a string, the hexadecimal value of char_string.

Example

The following example uses the bin2hex() function to convert the string of "PHP" to hexadecimal values. Then the echo command prints this value to the console:

<?php
  echo bin2hex("PHP");
?>

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The example will result in the following output:

504850

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Codebyte Example

The following example is runnable and creates a new string type variable, my_string. Then, the bin2hex() function converts my_string into a hexadecimal value, and finally, the echo command prints this value to the console:

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