Programming PHP

ase64_decode
string base64_decode(string data)
Decodes data, which is base 64–encoded data, into a string (which may contain binary
data). For more information on base-64 encoding, see RFC 2045.
base64_encode
string base64_encode(string data)
Returns a base 64–encoded version of data. MIME base-64 encoding is designed to allow
binary or other 8-bit data to survive transition through protocols that may not be 8-bit safe,
such as email messages.
base_convert
string base_convert(string number, int from, int to)
Converts number from one base to another. The base the number is currently in is from, and
the base to convert to is to. The bases to convert from and to must be between 2 and 36.
Digits in a base higher than 10 are represented with the letters a (10) through z (35). Up to
a 32-bit number, or 2,147,483,647 decimal, can be converted.
basename
string basename(string path[, string suffix])
Returns the filename component from the full path path. If the file’s name ends in suffix,
that string is removed from the name. For example:
$path = "/usr/local/httpd/index.html";
echo(basename($path)); // index.html
echo(basename($path, '.html')); // index
bin2hex
string bin2hex(string binary)
Converts binary to a hexadecimal (base-16) value. Up to a 32-bit number, or
2,147,483,647 decimal, can be converted.
bindec
int bindec(string binary)
Converts binary to a decimal value. Up to a 32-bit number, or 2,147,483,647 decimal, can
be converted.
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