PHP除开数组中指定的值
PHP去除数组中指定的值
?
//一维数组
?
简单的做法 ?unset($arr[array_search($value,$arr)])
?
?
$arr = array("a","b","c","d"); ?
function isHave($var){ ?
? if($var!="b") ?
? return true; ?
} ?
$arr_filter = array_values(array_filter($arr,"isHave")); ?
//print_r($arr_filter); ?
?
while ( $folder = current ( $folders ) ) { ?
? ? if ($folder == $cur_folder) { ?
? ? ? ? $kv = key ( $folders ); ?
? ? ? ? unset ( $folders [$kv] ); ?
? ? } ?
? ? next ( $folders ); ?
} ? ? ? ??
?
//二维数组 ?
function killarray(&$a,$b,$c){ ?
? ? foreach ($a as $key=>$value){ ?
? ? ? ? if ( isset($value[$b]) && ($value[$b]==$c) ){ ?
? ? ? ? ? ? unset($a[$key]); ?
? ? ? ? } ?
? ? } ?
} ?
$a=array(array('id'=>1,'num'=>10,'type'=>'news'),array('id'=>2,'num'=>100,'type'=>'pic')); ?
$b="id"; ?
$c="1"; ?
killarray($a,$b,$c); ?
print_r($a); ??
?
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