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php variable constant

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Inexpensive Ibex answered on July 6, 2021 Popularity 10/10 Helpfulness 2/10

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php variable constant

Comment

if (...) {
     const FOO = 'BAR';    // Invalid
 }
 // but
 if (...) {
     define('FOO', 'BAR'); // Valid
 }

Popularity 10/10 Helpfulness 2/10 Language php

Source: stackoverflow.com

Tags: php

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Contributed on Feb 17 2022

Inexpensive Ibex

0 Answers Avg Quality 2/10

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define constant in php

Comment

<?php
  const Hello = 'Hello world!';
  const CONST_ARR = array('div', 'mul', 'sum', 'sub'); 
	define('Const_Arr_Math', array('div', 'mul', 'sum', 'sub'));
	define("emp_name","Kumar D");
	echo constant("emp_name");
	echo PHP_EOL;
	echo emp_name;
	echo PHP_EOL;
	echo Hello;
	echo PHP_EOL;
	print_r(CONST_ARR);

?>

Popularity 10/10 Helpfulness 4/10 Language php

Source: onecompiler.com

Tags: php

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Contributed on Sep 24 2022

@CodeGrepperManu

0 Answers Avg Quality 2/10

php constant

Comment

<?php
define("PI",3.14);
echo PI;
echo constant("PI");
?>

Popularity 10/10 Helpfulness 4/10 Language php

Source: Grepper

Tags: php

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Contributed on Sep 03 2021

kinjal suryavanshi

0 Answers Avg Quality 2/10

define constant in php

Comment

What is difference between const and define?

1] const defines a constant in the current namespace, while define() has to be passed the full namespace name:

2] As consts are language constructs and defined at compile time they are a bit faster than define()s.

3] define()s are slow when using a large number of constants.

Unless you need any type of conditional or expressional definition, use consts instead of define()s

<?php
  const Hello = 'Hello world!';
  const CONST_ARR = array('div', 'mul', 'sum', 'sub'); 
	define('Const_Arr_Math', array('div', 'mul', 'sum', 'sub'));
	define("emp_name","Kumar D");
	echo constant("emp_name");
	echo PHP_EOL;
	echo emp_name;
	echo PHP_EOL;
	echo Hello;
	echo PHP_EOL;
	print_r(CONST_ARR);

?>

Popularity 9/10 Helpfulness 4/10 Language php

Source: onecompiler.com

Tags: between

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Contributed on May 06 2023

@CodeGrepperManu

0 Answers Avg Quality 2/10

php constant name with variable

Comment

echo constant($constant_name);

Popularity 10/10 Helpfulness 4/10 Language php

Source: stackoverflow.com

Tags: php

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Contributed on Jul 06 2021

portapipe

0 Answers Avg Quality 2/10

class constants in php

Comment

<?php
class MyClass
{
    const CONSTANT = 'constant value';

    function showConstant() {
        echo  self::CONSTANT . "\n";
    }
}

echo MyClass::CONSTANT . "\n";

$classname = "MyClass";
echo $classname::CONSTANT . "\n";

$class = new MyClass();
$class->showConstant();

echo $class::CONSTANT."\n";
?>

Popularity 9/10 Helpfulness 4/10 Language php

Source: www.php.net

Tags: class-constants

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Contributed on Aug 09 2022

Prickly Piranha

0 Answers Avg Quality 2/10

Constants In PHP

Comment

<?php
define("A", 100);
define("B", 200);
echo A;
echo "<br>";
echo B;
?>

Popularity 9/10 Helpfulness 4/10 Language php

Source: Grepper

Tags: constants cons

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Contributed on Jul 03 2022

Javasper

0 Answers Avg Quality 2/10

php get constant value

Comment

define("MAXSIZE", 100); //set the value

echo MAXSIZE; //to get the value
echo constant("MAXSIZE"); //to get the same value

Popularity 8/10 Helpfulness 3/10 Language php

Source: Grepper

Tags: get php

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Contributed on May 30 2022

Ivan Londono

0 Answers Avg Quality 2/10

PHP constant

Comment

class Human {
  const TYPE_MALE = 'm';
  const TYPE_FEMALE = 'f';
  const TYPE_UNKNOWN = 'u'; // When user didn't select his gender
  
  .............
}

Popularity 10/10 Helpfulness 3/10 Language php

Source: www.freecodecamp.org

Tags: php

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Contributed on Sep 08 2021

Famous Ferret

0 Answers Avg Quality 2/10

php use variable create constant

Comment

//variable string
$sigla = 'HBG';
 
//create and reference class constant
$first_sheet = constant('self::' . $sigla . '_FIRST_SHEET');

Popularity 9/10 Helpfulness 3/10 Language php

Source: Grepper

Tags: php

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Contributed on Nov 30 2022

Luciano I.

0 Answers Avg Quality 2/10

PHP constants

Comment

//define(name,value);

define("PI",3.1419);

Popularity 9/10 Helpfulness 3/10 Language php

Source: Grepper

Tags: constants cons

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Contributed on Aug 09 2022

Krypton 36

0 Answers Avg Quality 2/10

php variable constant

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