is_array() is an inbuilt function in PHP. The is_array() function is used to check whether a variable is an array or not.
Below the example illustrate the working of the function is_array(). Example 1:Syntax:
is_array($variable_name) Parameter: contains a single parameter. $variable_name: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.
<?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 .
" ; else echo "array('A', 'B', 'C') is not a array value.
" ; // $variable_name1 is not array, gives FALSE if ( is_array ( $variable_name1 )) echo "$variable_name1 is a array value.
" ; else echo "$variable_name1 is not a array value.
" ; // $variable_name2 is not array, gives FALSE if ( is_array ( $variable_name2 )) echo "$variable_name2 is a array value.
" ; else echo "$variable_name2 is not a array value.
" ; // $variable_name3 is not array, gives FALSE if ( is_array ( $variable_name3 )) echo "$variable_name3 is a array value.
" ; else echo "$variable_name3 is not a array value.
" ; ?> |
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
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