PHP obtiene los primeros 5 caracteres de la cadena
$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"
Friendly Hawk
$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"$firstStringCharacter = substr("hello", 0, 1);$newstring = substr($dynamicstring, -7);