<?php
$array = array(100 => array(0=>"a"),101 => array(0=>"ad"),21 => array(0=>0),22 => array(0=>1));
print_r($array);
print_r(implode(",",array_keys($array)));
?>
101,101,21,22
$array = array(100 => array(0=>"a"),101 => array(0=>"ad"),21 => array(0=>0),22 => array(0=>1));
print_r($array);
print_r(implode(",",array_keys($array)));
?>
101,101,21,22
解决方案 »
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