php keep only numbers in string
$str = preg_replace('/[^0-9.]+/', '', $str);php keep only numbers in string
$str = preg_replace('/[^0-9.]+/', '', $str);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)
*/Copyright © 2021 Codeinu
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