The SplFileObject::setMaxLineLen() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to set the maximum length of line length.
Syntax:
void SplFileObject::setMaxLineLen( $len )
Parameters: This function accepts single parameter $len which is used to specify the maximum length of line.
Return values: This function returns the maximum length of line. The default value is 0.
Below Programs illustrate the SplFileObject::setMaxLineLen() function in PHP:
Program 1:
<?php   // Create an SplFile Object $gfg = new SplFileObject("gfg.txt");   // Print Length var_dump($gfg->getMaxLineLen());   // Set length $gfg->setMaxLineLen(20); var_dump($gfg->getMaxLineLen());   ?> |
Output:
int(0) int(20)
Program 2:
<?php   // Create an Array $GFG = array(     "dummy.txt",     "gfg.txt",     "frame.txt"    );   // Creating Spl Object foreach ($GFG as &$arr) {     // Create an SplFile Object     $gfg = new SplFileObject($arr);       // Print Length before     var_dump($gfg->getMaxLineLen());       // Set length     $gfg->setMaxLineLen(50);     echo "After = ";     // Print length after     var_dump($gfg->getMaxLineLen());       echo "</br>";     } ?> |
int(0) After = int(50) int(0) After = int(50) int(0) After = int(50)
Reference: http://php.net/manual/en/splfileobject.setmaxlinelen.php
