Answers for "check if variable is number php"

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

php check if variable is int

// Check if variable is int
$id = "1";

if(!intval($id)){
  throw new Exception("Not Int", 404);
}
else{
	// this variable is int
}
Posted by: Guest on August-02-2021
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
0

php check if string is integer

<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
    if (ctype_digit($testcase)) {
        echo "The string $testcase consists of all digits.\n";
    } else {
        echo "The string $testcase does not consist of all digits.\n";
    }
}
?>
Posted by: Guest on February-26-2021

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