List Of Keywords

Good Essays
Topics: PHP, Java
List of Keywords ¶
These words have special meaning in PHP. Some of them represent things which look like functions, some look like constants, and so on - but they're not, really: they are language constructs. You cannot use any of the following words as constants, class names, function or method names. Using them as variable names is generally OK, but could lead to confusion.
PHP Keywords
__halt_compiler()
abstract and array() as break callable (as of PHP 5.4) case catch class clone const continue declare default die() do echo else elseif empty() enddeclare endfor endforeach endif endswitch endwhile eval() exit() extends final finally (as of PHP 5.5) for foreach function global goto (as of PHP 5.3) if implements include include_once instanceof insteadof (as of PHP 5.4) interface isset() list() namespace (as of PHP 5.3) new or print private protected public require require_once return static switch throw trait (as of PHP 5.4) try unset() use var while xor yield (as of PHP 5.5)

Compile-time constants
__CLASS__
__DIR__ (as of PHP 5.3)
__FILE__
__FUNCTION__
__LINE__
__METHOD__
__NAMESPACE__ (as of PHP 5.3)
__TRAIT__ (as of PHP 5.4)

Predefined Classes ¶
This section lists standard predefined classes. Miscellaneous extensions define other classes which are described in their reference.
Standard Defined Classes ¶
These classes are defined in the standard set of functions included in the PHP build.
Directory
Created by dir(). stdClass Created by typecasting to object.
__PHP_Incomplete_Class
Possibly created by unserialize().
Predefined classes as of PHP 5 ¶
These additional predefined classes were introduced in PHP 5.0.0.
Exception
ErrorException
Available since PHP 5.1.0. php_user_filter Closure ¶
The predefined final class Closure was introduced in PHP 5.3.0. It is used for representinganonymous functions.
For more information, see its class page.
Generator ¶
The predefined final class Generator was introduced in PHP 5.5.0. It is used for

You May Also Find These Documents Helpful

  • Satisfactory Essays

    keywords

    • 307 Words
    • 2 Pages

    Key words Transmission paths: transmission paths also called transmission channel is the path between two nods of a network that a data communication follows. The term can refer to the physical cabling that connects the nodes on a network the signal that is communicated over the path way or a sub channel is a carrier frequency. Ground waves: ground waves are radio wave which reaches a receiver from a transmitter directly with out reflection from the ionosphere. Sky waves: a radio wave that is…

    • 307 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    set of all strings consisting of the keyword begin, followed by zero or more statements with a semicolon after each one, followed by the keyword end. Use the non-terminal for statements, and do not give productions for it. g. The set of all strings consisting of one or more as with a semicolon after each one. h. The set of all strings consisting of the keyword begin, followed by one or more statements with a semicolon after each one, followed by the keyword end. Use the non-terminal for statements…

    • 470 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Keywords Study Guide

    • 2531 Words
    • 11 Pages

    1) Principles of Pseudoscience a) Glymour & Stalker b) 6 principles of pseudoscience (pg93-94) b.i) A coincidence in hand is worth two in the bush. b.ii) A purpose to everything and to everything a purpose. b.iii) The taller the story, the harder it falls. b.iv) Even physics isn’t all that precise. b.v) Science is number and gauges. b.vi) Saying no nit pickers. c) This is Glymour & Stalkers answer to the demarcation problem. Principles of Pseudoscience and falsifiability are both attempts…

    • 2531 Words
    • 11 Pages
    Good Essays
  • Good Essays

    Victorian Age: Science: Charles Darwin, Thomas Edison, Sigmund Freud – psychology->Human mind/motivation Religion: Empire: Technology: steam engines, trans Atlantic Telegraph line, big ships, railways, stamps, street lights. Mostly mobility and communication. City: Upper-class (etiquette) Middleclass (servants) lower class (survival) Nature: Art: Man: Matthew Arnold In Harmony with Nature: Stanza 1: ““In harmony with Nature” Restless fool” – The tone is set, he is ridiculing…

    • 521 Words
    • 2 Pages
    Good Essays
  • Good Essays

    List

    • 3325 Words
    • 14 Pages

    //list of header files #include <windows.h> #include<stdio.h> //contains printf,scanf etc #include<conio.h> //contains delay(),getch(),gotoxy(),etc. #include <stdlib.h> #include<string.h> //contains strcmp(),strcpy(),strlen(),etc #include<ctype.h> //contains toupper(), tolower(),etc #include<dos.h> //contains _dos_getdate #include<time.h> //#include<bios…

    • 3325 Words
    • 14 Pages
    Good Essays
  • Satisfactory Essays

    Introduction Difficulty: Easy Keywords: capacity, maximum output rate 2. Capacity decisions should be made separate from strategic decisions. Answer: False Reference: Introduction Difficulty: Moderate Keywords: capacity decision, strategic decisions 3. Capacity can be expressed by output or input measures. Answer: True Reference: Planning Long-Term Capacity Difficulty: Moderate Keywords: capacity, input measures, output measures…

    • 10089 Words
    • 41 Pages
    Satisfactory Essays
  • Good Essays

    list

    • 315 Words
    • 2 Pages

    1. Describe the three medical uses for drugs and give examples. (2 points) The three medical uses for drugs include to prevent disease, diagnose disease, and to treat signs, symptoms, conditions, and diseases. Examples could include, preventive use(prophylaxis) diagnostic use(radiopaque), and therapeutic use(antibiotic drugs) 2. Give the meaning of and describe the linguistic origin of the symbol Rx. (2 points) 3. Give the name of a medication in current usage that originated from the natural…

    • 315 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    list

    • 1406 Words
    • 6 Pages

    Application to the new Swedish Institute’s leadership programme Young Connectors of the Future (YCF) 2013 for selected countries in South Asia Make sure you answer all the questions below. All information should be submitted in English. General Information LAST NAME Nadir FIRST NAME Shoaib DATE OF BIRTH (YEAR-MONTH-DAY) 1989-1-31  FEMALE MALE CITY OF RESIDENCE ISLAMABAD E-MAIL Shoaibnadir@gmail.com PHONE 00922277246 MOBILE PHONE 00923335441313…

    • 1406 Words
    • 6 Pages
    Satisfactory Essays
  • Satisfactory Essays

    List

    • 306 Words
    • 2 Pages

    I<ONICA MINOLTA January 30, 2013 Purchase Order Renewal Notice DHHS MARK MCGEE DBA FOOD AND DRUG ADMINISTRATION HFA 720 12345 PARKLAWN DR ROCKVILLE MD 20857 Dear Valued Customer: Please be advised that your Purchase Order CREDIT CARD with Konica Minolta Business Solutions will expire on 09/30/2012. In order to avoid an interruption in the provision of service and supplies, please provide a renewal purchase order prior to expiration. Your Renewal Purchase Order should reflect…

    • 306 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Save as many as you ruin: Keywords: Extraordinary: Gerard wonders if his life is different from anyone else? How his footprints are just a pair among all the others, or if they’re different from all the other people. Will his footsteps just disappear like the Indians, and will he just be one more man among 5 billion people? “Gerard thinks of his own footprints and how soon they will disappear. He exhales into the world and his breath disappears.” Distance: Gerard keeps himself from a…

    • 292 Words
    • 2 Pages
    Good Essays