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Message: array_push() expects parameter 1 to be array, null given

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[问题点数：20分，结帖人liangjamy]

⋅templete 问题 ⋅gzip: stdin: not in gzip format ⋅Allowed memory size of 134217728 bytes exhausted (tried to allocate 838 byte 更多帖子 关注私信空间博客 liangjamy 等级 本版专家分：5 结帖率 97.73%: if(count($br_code)>0){
$br_where = array();
foreach ($br_code as $code)
{
array_push($br_where, "asr_product_code LIKE '$code%'");
}
array_push($where,"(".implode(" OR ", $br_where).")");
}

array_push($where,"(".implode(" OR ", $br_where).")"); 这行提示
A PHP Error was encountered

Severity: Warning

Message: array_push() expects parameter 1 to be array, null given

Filename: controllers/csv.php

Line Number: 109

2011-07-29 15:59:41

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⋅本机有多个IP，如何能为System.Net.NetworkInformation.Ping指定特定本机IP ⋅为什么在CGI中有mysql而isapi中没有 更多帖子 关注私信空间博客 binarie 等级 本版专家分：1805: 这错误提示似曾相识。。貌似是CodeIgniter框架？

$where变量的处理请贴出来一起看看，这个提示的含义是$where变量没有被赋值过。

如果没有处理过$where，应该进行初始化 $where = array();

2011-07-29 16:01:37

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2012年总版技术专家分年内排行榜第六: 他不是说的很清楚了吗？ $where 不是一个数组

2011-07-29 16:02:12

点赞只看TA 引用举报 #2得分 7

⋅templete 问题 ⋅gzip: stdin: not in gzip format ⋅Allowed memory size of 134217728 bytes exhausted (tried to allocate 838 byte 更多帖子 关注私信空间博客 liangjamy 等级 本版专家分：5: SELECT * FROM (
SELECT ".(implode(',',$field))."
FROM {$this->table} AS `a`
LEFT OUTER JOIN `taobao_shujubao` AS `b` ON `a`.`asr_product_seq`=`b`.`fk_reseller_product_seq`
".(count($where) > 0 ? ' WHERE '.implode(' AND ',$where) : '')."
{$this->order}
{$this->limit}
) AS a
GROUP BY asr_product_seq

该行的语句最后出来的是
/* [models] - 60 */ SELECT * FROM ( SELECT `b`.`taobao_shujubao_data`,`b`.`taobao_shujubao_insert_time`,`b`.`taobao_shujubao_update_time` FROM asr_product AS `a` LEFT OUTER JOIN `taobao_shujubao` AS `b` ON `a`.`asr_product_seq`=`b`.`fk_reseller_product_seq` ORDER BY ORDER BY asr_product_code ASC, asr_product_seq DESC LIMIT 0, 1 ) AS a GROUP BY asr_product_seq
//////////////////////////////////////////////////
A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY asr_product_code ASC, asr_product_seq DESC LIMIT 0, 1 ) AS a ' at line 7

2011-07-29 16:02:54

点赞只看TA 引用举报 #3得分 0

⋅本机有多个IP，如何能为System.Net.NetworkInformation.Ping指定特定本机IP ⋅为什么在CGI中有mysql而isapi中没有 更多帖子 关注私信空间博客 binarie 等级 本版专家分：1805: array_push是无法操作一个值为NULL的变量的，需要确保第一个参数是有效的数组。

如果你希望一开始数组是空的，那应该进行初始化 $where = array();

如果数组是经过查询而来，那应该检查SQL语句是否正确，很可能是查询失败。

2011-07-29 16:04:57

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