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Php is variable a number

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)
*/

7

Php is variable a number

if(is_numeric($what_am_i)){
	//true
}

4

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