empty function in php
empty function in php
xxxxxxxxxx<?phpif(empty(null)){ print "\n I am printing with (null) = ".empty(null); // output = 1 ie (true)}if(empty('')){ print "\n I am printing with empty('') = ".empty(''); // output = 1 ie (true)}if(empty('0')){ print "\n I am printing with empty('0') = ".empty('0'); // output = 1 ie (true)}if(!empty('1')){ print "\n I am printing with !empty('1') = ".!empty('1'); // output = 1 ie (true)}if(empty(0)){ print "\n I am printing with empty(0) = ".empty(0); // output = 1 ie (true)}if(!empty(1)){ print "\n I am printing with !empty(1) = ".!empty(1); // output = 1 ie (true)}if(empty([])){ print "\n I am printing with empty([]) = ".empty([]); // output = 1 ie (true)}?>Source: Grepper
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xxxxxxxxxx/* * Determine whether something is considered empty/falsy */empty(''); // trueempty('0'); // trueempty(0); // trueempty(null); // trueempty([]); // trueempty(false); // trueempty('false'); // falseempty('true'); // falseSource: Grepper
xxxxxxxxxxempty($var):bool//checks if the variable is empty and returns true or falseSource: Grepper
xxxxxxxxxx$variable = null; // Or any other valueif (empty($variable)) { echo 'The variable is empty.';} else { echo 'The variable is not empty.';}Source: Grepper
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