[PHP] Converting a binary integer to a number

[Siegfried Kettlitz]

I have binary data (ie: 0x7b c8 15 0c ) and want to convert it into a 32Bit 
integer (here: 123456789012).

Currently I use this (intel-little-endian):
$integer = hexdec( bin2hex( strrev( readpos( $fd,$position,4 ) ) ) );
readpos reads 4 bytes from a file

Is there a better, faster or easier way to do the same thing?

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