php check if string has number code example
Example 1: 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)
*/
Example 2: php check if string contains number
if (preg_match('/[A-Za-z]/', $myString) && preg_match('/[0-9]/', $myString))
{
echo 'Contains at least one letter and one number';
}