16 lines
327 B
PHP
16 lines
327 B
PHP
<?php
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$str = ''; // assign an empty string to a variable
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// check that a string is empty
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if (empty($str)) { ... }
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// check that a string is not empty
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if (! empty($str)) { ... }
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// we could also use the following
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if ($str == '') { ... }
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if ($str != '') { ... }
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if (strlen($str) == 0) { ... }
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if (strlen($str) != 0) { ... }
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