What will be the output of the following PHP code ?
<?php define('GREETING_TEST', 'PHP is a scripting language', true);
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
PHP is a scripting language
PHP is a scripting language
GREETING_TESt
PHP is a scripting language
PHP is a scripting language
GREETING_TEST
Correct Answer :
A. PHP is a scripting language
PHP is a scripting language
echo constant(x) output x, and x here is the concatenation of GREETING_ and $changing variable with. operator.
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<?php $i = 2;
while (++$i){ while (--$i > 0) print $i;
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<?php define(__LINE__, PHP is a scripting language);
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<?php define(GREETING, PHP is a scripting language);
echo $GREETING;
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echo $GREETING;
?>
$GREETING
no output
PHP is a scripting language
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<?php $i = 5;
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?>
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