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 // PHP code to demonstrate working of is_array() $variable_name1=67.099; $variable_name2=32; $variable_name3="abc"; $variable_name4=array('A', 'B', 'C'); // $variable_name4 is an array, returns TRUE if (is_array($variable_name4)) echo "array('A', 'B', 'C') is an array . \n"; else echo "array('A', 'B', 'C') is not a array value. \n"; // $variable_name1 is not array, gives FALSE if (is_array($variable_name1)) echo "$variable_name1 is a array value. \n"; else echo "$variable_name1 is not a array value. \n"; // $variable_name2 is not array, gives FALSE if (is_array($variable_name2)) echo "$variable_name2 is a array value. \n"; else echo "$variable_name2 is not a array value. \n"; // $variable_name3 is not array, gives FALSE if (is_array($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.
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