Php check if variable is int

Php check if input is int

$a = 5; //returns true
$a = "5"; //returns false
$a = 5.3; //returns false
is_int($a);

Check input value is integer or not in php

// to check the input integer validation we can use is_int() function
Syntax:
is_int(parameter);

$x = 10; //returns true
$x = "123"; //returns false
$x = 12.365; //returns false
$x = "ankur"; //returns false
is_int($x);

Php check if variable is int

// Check if variable is int
$id = "1";

if(!intval($id)){
  throw new Exception("Not Int", 404);
}
else{
	// this variable is int
}

Php is int

is_int(mixed $value): bool

Source: php.net

Php check if string is integer

<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
    if (ctype_digit($testcase)) {
        echo "The string $testcase consists of all digits.\n";
    } else {
        echo "The string $testcase does not consist of all digits.\n";
    }
}
?>

Similar codes

0 vote318 views1 answer
Print array to a file
PHP
0 vote286 views1 answer
Publish config jwt
PHP
15 votes278 views3 answers
Laravel setup auth
PHP Laravel
6 votes282 views2 answers
Php mkdir if not exists
PHP
11 votes258 views5 answers
Resource route laravel
PHP
1 vote267 views2 answers
Php showing code in browser
PHP
13 votes284 views4 answers
Php change version linux
PHP
7 votes249 views1 answer
Ternary operator laravel blade
PHP
3 votes258 views2 answers
Delete route method in laravel
PHP
0 vote292 views2 answers
Add blade in blade laravel
PHP Laravel