PHP | SplFileInfo isFile() Function

PHP | SplFileInfo isWritable() Function

Last Updated : 18 Dec, 2018

The SplFileInfo::isWritable() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to check the file is writable or not. Syntax:

bool SplFileInfo::isWritable( void )

Parameters: This function does not accept any parameter. Return values: This function returns true on success or false on failure. Note: Set the file permission before executing the program. Below Programs illustrate the SplFileInfo::isWritable() function in PHP: Program 1:

php

<?php
 
// PHP Program to illustrate 
// Splfileinfo::isWritable() function
 
$file = new SplFileInfo("gfg.txt");
$gfg = $file->isWritable();
 
// Print result
var_dump($gfg);
echo "</br>";
 
$file = new SplFileInfo(__FILE__);
$gfg = $file->isWritable();
 
// Print result
var_dump($gfg);
 
?>

Output:

bool(false)
bool(true)

Program 2:

php

<?php 
 
// PHP program to use array to check 
// multiple files 
 
$GFG = array(
    "dummy.php",
    "gfg_code.cpp",
    "html/",
    "frame.php"
);
 
foreach ($GFG as &$file_name) { 
 
    // Create new SplFile Object 
    $file = new SplFileInfo($file_name); 
 
    $gfg = $file->isWritable();
 
    // Print result
    var_dump($gfg);
    echo "</br>";
} 
?>

Output:

bool(true)
bool(false)
bool(true)
bool(false)

Reference: http://php.net/manual/en/splfileinfo.iswritable.php

PHP | SplFileInfo isFile() Function

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