Answers for "php check if string is valid number"

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
3

php check if string or number

<?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>
Posted by: Guest on February-08-2020
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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