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I need to open a text file and replace a string. I need this
Old String: <span id="$msgid" style="display: block;"> New String: <span id="$msgid" style="display: none;"> This is what I have so far, but I don't see any changes in the text file besides extra white spaces.
$msgid = $_GET['msgid']; $oldMessage = ""; $deletedFormat = ""; // Read the entire string $str = implode("\n", file('msghistory.txt')); $fp = fopen('msghistory.txt', 'w'); // Replace something in the file string - this is a VERY simple example $str = str_replace("$oldMessage", "$deletedFormat", $str); fwrite($fp, $str, strlen($str)); fclose($fp); How can I do it?
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The str_replace() function replaces some characters with some other characters in a string. This function works by the following rules: If the string to be searched is an array, it returns an array. If the string to be searched is an array, find and replace is performed with every array element.
txt', 'w'); // Replace something in the file string - this is a VERY simple example $str = str_replace("$oldMessage", "$deletedFormat", $str); fwrite($fp, $str, strlen($str)); fclose($fp);
String text1 = web1. getTitle(); String text2 = text1. toString(). replace("-Click 2U - Files", "");
Approach 1: Using the str_replace() and str_split() functions in PHP. The str_replace() function is used to replace multiple characters in a string and it takes in three parameters. The first parameter is the array of characters to replace.
Does this work:
$msgid = $_GET['msgid']; $oldMessage = ''; $deletedFormat = ''; //read the entire string $str=file_get_contents('msghistory.txt'); //replace something in the file string - this is a VERY simple example $str=str_replace($oldMessage, $deletedFormat,$str); //write the entire string file_put_contents('msghistory.txt', $str); If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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