The is_long() function is an inbuilt function in PHP that is used to check whether the given value is a long integer or not.
Syntax:
bool is_long(mixed $value)
Parameters: This function accepts a single parameter $value that holds the value which needs to check for a long integer.
Return Value: This function returns true if the given value is a long integer, and false otherwise.
Example 1:
PHP
<?php $arr = array (5215523545645, 10.5, null, true, "30" , "GFG" ); foreach ( $arr as $val ) { var_dump( is_long ( $val )); } ?> |
Output:
bool(true) bool(false) bool(false) bool(false) bool(false) bool(false)
Example 2:
PHP
<?php $arr = array ( 25, "Geeks" => 50, 130.25, "neveropen" , true, 214748364734 ); foreach ( $arr as $val ) { var_dump( is_long ( $val )); } ?> |
Output:
bool(true) bool(true) bool(false) bool(false) bool(false) bool(true)
Reference: https://www.php.net/manual/en/function.is-long.php