is_array
(PHP 3, PHP 4, PHP 5)
is_array -- Finds whether a variable is an array
Beskrivelse
bool
is_array ( mixed var )
Finds whether the given variable is an array.
Parameterliste
var
The variable being evaluated.
Returneringsværdier
Returns TRUE if var
is an array,
FALSE otherwise.
Eksempler
Eksempel 1. Check that variable is an array
<?php $yes = array('this', 'is', 'an array');
echo is_array($yes) ? 'Array' : 'not an Array'; echo "\n";
$no = 'this is a string';
echo is_array($no) ? 'Array' : 'not an Array'; ?>
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Ovenstående eksempel vil udskrive: |