PHP glob() Function Usage and Example

PHP Filesystem Reference Manual

The glob() function can return an array containing file names or directories that match the specified pattern. This function can return an array containing matching files/an array of directories, otherwise it returns false.

Syntax

array glob ( string $pattern [, int $flags = 0 ] )

The glob() function can search for all path names that match the pattern used by glob(), which is similar to the rules used by a normal shell.

Example1

<?php
　　　print_r(glob("/PhpProject/php/*.txt");
?>

Output Result

Array
(
　　　　[0] =>　/PhpProject/php/phptest1.txt
　　　　[1] =>　/PhpProject/php/phptest2.txt
　　　　[2] =>　/PhpProject/php/phptest3.txt
　　　　[3] =>　/PhpProject/php/phptest4.txt
　　　　[4] =>　/PhpProject/php/phptest5.txt
　　　　[5] =>　/PhpProject/php/phptest6.txt
　　　　[6] =>　/PhpProject/php/phptest7.txt
　　　　[7] =>　/PhpProject/php/phptest8.txt
　　　　[8] =>　/PhpProject/php/phptest9.txt
　　　　[9] =>　/PhpProject/php/phptest10.txt
)

Example2

<?php
　　　foreach(glob("/PhpProject/php/*.txt") as $filename) {
　　　　　　echo "\$filename size " . filesize(\$filename) . "\n";
　　　}
?>

Output Result

/PhpProject/php/phptest1.txt size　223
/PhpProject/php/phptest2.txt size　254
/PhpProject/php/phptest3.txt size　275
/PhpProject/php/phptest4.txt size　214
/PhpProject/php/phptest5.txt size　269
/PhpProject/php/phptest6.txt size　235
/PhpProject/php/phptest7.txt size　287
/PhpProject/php/phptest8.txt size　298
/PhpProject/php/phptest9.txt size　209
/PhpProject/php/phptest10.txt size　265

PHP Filesystem Reference Manual