The SplFileInfo::isLink() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to check the given file is a link or not.
Syntax:
bool SplFileInfo::isLink( void )
Parameters: This function does not accept any parameter.
Return values: This function returns true on success or false on failure.
Below Programs illustrate the SplFileInfo::isLink() function in PHP:
Program 1:
<?php    // PHP Program to illustrate // Splfileinfo::isLink() function    $file = new SplFileInfo( "gfg.txt" ); $gfg = $file ->isLink();    // Print result var_dump( $gfg ); echo "</br>" ;    $file = new SplFileInfo( __FILE__ ); $gfg = $file ->isLink();    // Print result var_dump( $gfg );    ?> |
Output:
bool(false) bool(false)
Program 2:
<?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 ->isLink();        // Print result     var_dump( $gfg );     echo "</br>" ;      } ?> |
Output:
bool(false) bool(false) bool(false) bool(false)