How to convert string to hexadecimal string in php

php method to convert a string to hexadecimal: first create a PHP sample file; then convert the string to 16 by "print(bin2hex($string)."\n");" Just output in hexadecimal format.

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You can use the bin2hex function in php to convert a string into 16 hex The bin2hex() function returns the result as ascii code

<?php
$string = "Hello\tworld!\n";
print($string."\n");
print(bin2hex($string)."\n");
?>

The output result is as follows:

Hello world!
  
48656c6c6f09776f726c64210a

Related introduction:

bin2hex — The function converts binary characters containing data Convert string to hexadecimal value

bin2hex ( string $str ) : string

Convert the binary parameter str into a hexadecimal string. Conversion uses byte mode, with the high nibble taking precedence.

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