How to remove decimal point from php string

Method: 1. Use the "str_replace(".","",$str)" statement to find the decimal point and replace it with a null character; 2. Use "substr_replace($str,"", stripos($str,"."),1)" statement, replace the decimal point with a null character according to its position.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Remove the php string Decimal point method

Method 1: Use str_replace() function

You can use the str_replace() function to find the decimal point "." and replace it Just change it to the empty characters "".

Example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "123.567";
echo "原字符串：".$str."<br>";
$new = str_replace(".","",$str);
echo "新字符串：".$new;
?>

Method 2: Use stripos() substr_replace() function

• Use stripos() to get the position of the decimal point "."

• Use substr_replace() to replace the decimal point "." with the empty character "" according to the obtained position.

Example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "3.1415";
echo "原字符串：".$str."<br>";
$new = substr_replace($str,"",stripos($str,"."),1);
echo "新字符串：".$new;
?>

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