check if value is number php 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($var_str) );
Example 2: php check if string or number
<?php if (is_numeric(887)) { echo "Yes"; } else { echo "No"; } ?>
Example 3: php is variable a number
if(is_numeric($what_am_i)){
}
Example 4: php check if string or number
<?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>
Example 5: how to check if PHP variable contains non-numbers?
if ( is_numeric($_POST['foo']) ) {
$foo = $_POST['foo'];
} else {
}