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Unit 1: Introduction to PHP

1.2.2 The Growth of PHP Notes
Figure 1.1 shows the total number of unique IP addresses that report they are using Apache with
the PHP module enabled. In January 2010, this number went beyond the one-million mark. The
slight dip at the end of 2010 reflects the demise of a number of dot-coms that disappeared from
the Web.

Figure 1.1: The Growth of PHP IP Addresses

php ruby

Postings 0.6

Job
Marching 0.4

of 0.2
Percentage

Jul '05 Jan '06 Jul '06 Jan '07 Jul '07 Jan '08 Jul '08 Jan '09 Jul '09 Jan '10
Figure 1.2 shows the number of actual domains that report they are using the PHP module. The
domain figures represent the number of websites using PHP, whereas IP addresses represent the
number of physical servers running PHP.
Figure 1.2: The Number of Actual Domains using PHP Modules

7000000
6000000
5000000
4000000
3000000
2000000
1000000

1998 1999 2000 2001

Self Assessment

Multiple choice questions:
1. PHP was originally designed to create ............... web content.
(a) dynamic (b) static

(c) both (a) and (b) (d) none of these
2. PHP stands for
(a) Proper Home Page (b) Perfect Home Page
(c) Hypertext Preprocessor (d) Hypertext Prepares

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