Answers for "php check if variable is numeric"

PHP
6

check if string is number or not php

$var_num = "1";
$var_str = "Hello World";

var_dump( is_numeric($var_num), is_numeric($var_str) );

/* 
Output -
 bool(true)
 bool(false)
*/
Posted by: Guest on April-15-2020
2

php is variable a number

if(is_numeric($what_am_i)){
	//true
}
Posted by: Guest on September-24-2020
0

how to check if PHP variable contains non-numbers?

if ( is_numeric($_POST['foo']) ) {
    $foo = $_POST['foo'];
} else {
    // Error
}
Posted by: Guest on April-30-2020

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