PHP

Extract Numbers From a String in PHP

phpCopy<?php 
$string = 'Sarah has 4 dolls and 6 bunnies.';
$outputString = preg_replace('/[^0-9]/', '', $string);  
echo("The extracted numbers are: $outputString 
"); 
?> 

php get only numbers from string

$str = 'In My Cart : 11 items';
$int = (int) filter_var($str, FILTER_SANITIZE_NUMBER_INT);

php get number from string

function get_numerics ($str) {
    preg_match_all('/d+/', $str, $matches);
    return $matches[0];
}

// this function will return an array of number

$str = "3 dogs were running!";
echo (get_numerics($str)[0]); 

// output 3

Extract Numbers From a String in PHP

phpCopy<?php 
$string = 'Sarah has 4 dolls and 6 bunnies.';
$int = (int) filter_var($string, FILTER_SANITIZE_NUMBER_INT);  
echo("The extracted numbers are: $int 
"); 
?> 

PHP Numeric String

/*
The PHP is_numeric() function can be used to find whether a variable is 
numeric. The function returns true if the variable is a number or a 
numeric string, false otherwise.
*/

#How to check if the variable is numeric

<?php
$x = 24523;
var_dump(is_numeric($x));

$x = "24523";
var_dump(is_numeric($x));

$x = "124.14" + 100;
var_dump(is_numeric($x));

$x = "Random Text";
var_dump(is_numeric($x));
?>
  
/*This outputs 
bool(true)
bool(true)
bool(true)
bool(false)
*/

Extract Numbers From a String in PHP

phpCopy<?php 
$string = 'Sarah has 4 dolls and 6 bunnies.';
preg_match_all('!d+!', $string, $matches);
print_r($matches); 
?>