index_I

I

i format, date function, 281

if statement, 127, 258–259

if...else statement, 40, 119, 157

if...elseif...else statement, 258–259

imagearc() function, 220

imagecreate() function, 200, 226

imagecreatefrom() function, 226

imagecreatefromgif() function, 226

imagecreatefromjpg() function, 226

imagecreatefrompng() function, 226

imagedestroy() function, 221

imageellipse() function, 220

imagefilledarc() function, 221, 223

imagefilledellipse() function, 221

imagefilledpolygon() function, 221

imagefilledrectangle() function, 221

imagegif() function, 221

imagejpeg() function, 221

imageline() function, 220

imagepng() function, 221

imagepolygon() function, 221

imagerectangle() function, 221

images

creating

from existing images, 226–230

new images, 220–222

pie chart example, 223–225

GD graphics, installation and configuration requirements, 218–219

Image Functions section, PHP Manual, 231

imgcolorallocation() function, 220

implode() function, 301–302

include() function, 146

increment operators, 257

<INPUT> tag, 28

INSERT command, 86–87, 126, 186

installations

Apache

Installer Welcome screen, 8

on Linux/Unix, 3–7

on Windows, 8–10

custom, 9

GD graphics, 218–219

PHP

help for, 19

on Linux/Unix, 11–13

on Microsoft IIS, 19–20

testing, 18

on Windows, 13–15

typical, 9

Installer Welcome screen (Apache), 8

int field type, 114

integers, 35, 253

integers variable type, 252

IP addresses, authentication, 149–150

isset() function, 305–306