PHP | is_array() Function
The is_array() is an inbuilt function in PHP. The is_array() function is used to check whether a variable is an array or not.
Syntax:
bool is_array($variable_name)
Parameter: This function accept a single parameter as mentioned above and described below:
$variable_name: This parameter holds the variable we want to check.
Return value: It is a boolean function so returns TRUE when $variable_name is a boolean value, otherwise FALSE.
Below example illustrate the is_array() function in PHP.
Example 1:
<?php
$variable_name1 =67.099;
$variable_name2 =32;
$variable_name3 = "abc" ;
$variable_name4 = array ( 'A' , 'B' , 'C' );
if ( is_array ( $variable_name4 ))
echo "array('A', 'B', 'C') is an array . \n" ;
else
echo "array('A', 'B', 'C') is not a array value. \n" ;
if ( is_array ( $variable_name1 ))
echo "$variable_name1 is a array value. \n" ;
else
echo "$variable_name1 is not a array value. \n" ;
if ( is_array ( $variable_name2 ))
echo "$variable_name2 is a array value. \n" ;
else
echo "$variable_name2 is not a array value. \n" ;
if ( is_array ( $variable_name3 ))
echo "$variable_name3 is a array value. \n" ;
else
echo "$variable_name3 is not a array value. \n" ;
?>
|
Output:
array('A', 'B', 'C') is an array .
67.099 is not a array value.
32 is not a array value.
abc is not a array value.
Reference: http://php.net/manual/en/function.is-array.php
Last Updated :
06 Jan, 2020
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