___________ is used to check if all characters in a string are numeric.isset()is_int()is_numeric()ctype_digit() The output of the statement print ‘hello’,’goodbye’ is __________.hellohello goodbyehellogoodbyeerror Which of the following is a correct PHP statement used to create an associative array $colors?$colors=array('red', 'green', 'blue')$colors=array['R'=>'red', 'G'=>'green', 'B'=>'blue']$colors=['R'=>'red', 'G'=>'green', 'B'=>'blue']$colors=['red', 'green', 'blue']

Q. 1 ___________ is used to check if all characters in a string are numeric. isset() is_int()…

Answered: ___________ is used to check if all…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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___________ is used to check if all characters in a string are numeric.
isset()
is_int()
is_numeric()
ctype_digit()

The output of the statement print ‘hello’,’goodbye’ is __________.
hello
hello goodbye
hellogoodbye
error

Which of the following is a correct PHP statement used to create an associative array $colors?
$colors=array('red', 'green', 'blue')
$colors=array['R'=>'red', 'G'=>'green', 'B'=>'blue']
$colors=['R'=>'red', 'G'=>'green', 'B'=>'blue']
$colors=['red', 'green', 'blue']

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