My PHP file receives (via $_POST) strings (with constant prefix) like:
(constant prefix in this example = 'astring'; figure before and after the decimal point can vary in size)
How to get the value behind the decimal point? I know how to extract the total figure from the constant prefix, but I need to use the figures before and after the decimal point and don't know how to extract those. Using preg_match in some way?
Try with explode like
$str = 'astring23.2';
$str_arr = explode('.',$str);
echo $str_arr[0]; // Before the Decimal point
echo $str_arr[1]; // After the Decimal point
list($before, $after) = explode(".", $string);
echo "$before is the value before the decimal point!";
echo "$after is the value after the decimal point!";
A simple way (php 5.3+):
$str = 'astring23.2';
$pre = strstr($str, '.', true);
Do you want something similar?
<?php
$string = "astring23.6";
$data = explode("astring", $string); // removed prefix string "astring" and get the decimal value
list($BeforeDot, $afterDot)=explode(".", $data[1]); //split the decimal value
echo "BeforeDot:".$BeforeDot." afterDot: ". $afterDot;
?>
If you want only numbers, use like this
$str = 'astring23.2';
$str_arr = explode('.',$str);
echo preg_replace("/[a-z]/i","",$str_arr[0]); // Before the Decimal point
echo $str_arr[1]; // After decimal point
If you want the number before the decimal. Try This.
$number = 2.33;
echo floor($number);