php filter only numbers
$output = preg_replace( '/[^0-9]/', '', $string );php filter only numbers
$output = preg_replace( '/[^0-9]/', '', $string );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)
*/check if includes numbers php
if (preg_match('~[0-9]+~', $string)) {
echo 'string with numbers';
}php check if string or number
<?php if (is_numeric(887)) { echo "Yes"; } else { echo "No"; } ?>php check if string or number
<?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>check value contains numbers or letters php
ctype_digit(string text);
Parameter Used:
The ctype_digit() function in PHP accepts only one parameter.
text : Its mandatory parameter which specifies the tested string.
Return Values:
It returns TRUE if all characters of the string are numeric otherwise
return FALSE.
Input : '789495001'
Output : TRUE
Explanation : All digits, return True
Input : 'adc123' or '789.0877'
Output : FALSE
Explanation: String contains number and string or floating point,
return false.Copyright © 2021 Codeinu
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