Programming-Idioms

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[PHP] 2 ways -> 2 distinct implementations

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2016-02-23, 21:00:40

2016-02-23, 21:00:41

Idiom #110 Check if string is blank

Set boolean blank to true if string s is empty, or null, or contains only whitespace ; false otherwise.

Set boolean blank to true if string s is empty, or null, or contains only whitespace ; false otherwise.

$blank = (empty(trim($s)); // php 5.5 and after
$blank = !trim($s); // php 5.4 or older

$blank = (empty(trim($s));

Php 5.5 and after.

http://php.net/manual/en/ref.strings.php

http://php.net/manual/en/ref.strings.php

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