index_E

E

e-mail, sending, 64–69

each() function, 272–273

echo command, 32, 37

echo() function, 32, 301

ellipse

imagearc() function, 220

imagefilledarc() function, 221, 223

imagefilledellipse() function, 221

else statement, 140, 258–259

encryption, 197

endElement() function, 239–240, 244

$_ENV variable, 36

environment variables, 60–61, 254

equals sign (=), 15, 34, 38

eregi_replace() function, 299

ereg_replace() function, 299

exec() function, 298

execution, client-side/server-side, 30

exit statement, 58, 295

Expiration argument, setcookie() function, 153

explode() function, 301–302

Extensible Markup Language (XML)

case sensitivity, 236

document structure, 235–237

overview, 234–235

parsing, 239–247

with PHP, 238–239

traditional databases and, 238

Extensible Style Language (XSL), 234

extensions

activating, 17

uncommenting, 17