1.2.357. Directly Use File

Some PHP functions have a close cousin that work directly on files. This is faster and less code to write.

• md5() => md5_file()

• highlight_string() => highlight_file(), show_source()

• parsekit_compile_string() => parsekit_compile_file()

• parse_ini_string() => parse_ini_file()

• sha1() => sha1_file()

• simplexml_load_string() => simplexml_load_file()

• yaml_parse() => yaml_parse_file()

• hash() => hash_file()

• hash_hmac() => hash_mac_file()

• hash_update() => hash_update_file()

• recode() => recode_file()

• recode_string() => recode_file()

<?php

// Good way
$file_hash = hash_file('sha512', 'example.txt');

// Slow way
$file_hash = hash('sha512', file_get_contents('example.txt'));

?>

1.2.357.1. Suggestions

• hash_file

1.2.357.2. Specs

Short name	Structures/DirectlyUseFile
Rulesets	All, Changed Behavior, Suggestions
Exakat since	1.5.5
PHP Version	All
Severity	Minor
Time To Fix	Instant (5 mins)
Precision	Very high
Available in	Entreprise Edition, Exakat Cloud