1 regel verwjideren

<?php
$filename = "file.txt"; // File which holds all data
$rowToDelete = 50; // This is line need to be deleted

$arrFp = file( $filename ); // Open the data file as an array
$numLines = count( $arrFp ); // Count the elements in the array

$fp = fopen( $filename, "w" ); // Open the file for writing
for($i=0; $i<$numLines; $i++) // Overwrite the content except the line to be deleted
{
    if($i != ($rowToDelete-1) )
    fwrite($fp, $arrFp[$i]);
}
fclose( $fp ); // Close the file
?> 

<?php
$filename = "file.txt"; // File which holds all data
$rowToDelete = 50; // This is line need to be deleted
 
$arrFp = file( $filename ); // Open the data file as an array
$numLines = count( $arrFp ); // Count the elements in the array
 
$fp = fopen( $filename, "w" ); // Open the file for writing
for($i=0; $i<$numLines; $i++) // Overwrite the content except the line to be deleted
{
    if($i != ($rowToDelete-1) )
    fwrite($fp, $arrFp[$i]);
}
fclose( $fp ); // Close the file
?>

<?php
$sFileName = 'file.txt';
$iRowToDelete = 50;
$sEol = "\n";

$sFile = file_get_contents($sFileName);
$aFile = explode($sEol, $sFile);
unset($aFile[$iRowToDelete]);
$sFile = implode($sEol, $aFile);

file_put_contents($sFileName, $sFile);
?> 

<?php
$sFileName = 'file.txt';
$iRowToDelete = 50;
$sEol = "\n";
 
$sFile = file_get_contents($sFileName);
$aFile = explode($sEol, $sFile);
unset($aFile[$iRowToDelete]);
$sFile = implode($sEol, $aFile);
 
file_put_contents($sFileName, $sFile);
?>