note 76117 modified in function.strlen by danbrown

From: Date: Thu, 12 Feb 2009 03:15:15 +0000
Subject: note 76117 modified in function.strlen by danbrown
References: 1  Groups: php.notes 
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want a predicate that tests a string for emptiness? use strlen instead of empty(). strlen only returns a false-equivalent value for ''. example: <?php // takes string_array and returns an array without any values w/empty strings function filter_empties ($string_array) { // note: the immensely retarded empty() function returns true on string '0' // use strlen as empty string predicate return count($string_array) ? array_filter ($string_array, 'strlen') : $string_array; } ?> --was-- want a predicate that tests a string for emptiness? use strlen instead of empty(). strlen only returns a false-equivalent value for ''. example: // takes string_array and returns an array without any values w/empty strings function filter_empties ($string_array) { // note: the immensely retarded empty() function returns true on string '0' // use strlen as empty string predicate return count($string_array) ? array_filter ($string_array, 'strlen') : $string_array; } http://php.net/manual/en/function.strlen.php

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