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
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