THE TUTORIAL LIBRARY
onvert a hex string into a 32-bit IEEE 754 float number. This function is 2 times faster then the below hex to 32bit function. This function only changes datatypes (string to int)
Read tutorialFloating point numbers have limited precision. Although it depends on the system, PHP typically uses the IEEE 754 double precision format, which will give a maximum relative error
Read tutorialHere are some tricks to convert from a "dotted" IP address to a LONG int, and backwards. This is very useful because accessing an IP addy in a database table is very much faster if
Read tutorialThis is a very simple but useful function to return number of digits of an integer.
Read tutorialHere is a function that you can use if you have a need to force strict boolean values.Hopefully this will save someone some time from searching for similar.
Read tutorialIn Python source code, specific Unicode code points can be written using the \u escape sequence, which is followed by four hex digits giving the code point. The \U escape sequence
Read tutorialIf you get this error: LifecycleException: service.getName(): "Catalina"; Protocol handler start failed: `java.net.BindException: Permission denied <null>:80, then here's how you c
Read tutorialFunction to sort array by elements and count of element (before php 5.3) (not use Lambda Functions, and Closures)
Read tutorialNote this one only checks for string and defaults to the PHP (boolean) cast where e.g. -1 returns true, but you easily add some elseifs for other datatypes.
Read tutorialLike every programming language, PHP offers the usual basic primitive types which can hold only one piece of data at a time (scalar). I am particularly fond of the "object" type (c
Read tutorialRecently many sites have been hacked by this malware. If your site is hacked as well, here's what you can do.
Read tutorialI could not get PHP pages to display in IIS 6 with Windows 2003, using the default install of the stable binaries from php.net.
Read tutorialOne example today. A better developer tomorrow.