在foreach PHP中处理重复计算
我有机会在我的代码中处理foreach中的重复计算 陈述关键是如何使递归 在这段代码中,我总是使用相同的代码,当有HSPK时,计算将使用相同的方法进行,对于这个例子,我在第五次计算中推荐在foreach PHP中处理重复计算,php,loops,recursion,repeat,Php,Loops,Recursion,Repeat,我有机会在我的代码中处理foreach中的重复计算 陈述关键是如何使递归 在这段代码中,我总是使用相同的代码,当有HSPK时,计算将使用相同的方法进行,对于这个例子,我在第五次计算中推荐 function sum_hspk($hspk_uraian_ssh_hspk_kode) { $ssh_total = 0; $ssh_total_2 = 0; $ssh_total_3 = 0; $harga_analisa_hspk
function sum_hspk($hspk_uraian_ssh_hspk_kode) {
$ssh_total = 0;
$ssh_total_2 = 0;
$ssh_total_3 = 0;
$harga_analisa_hspk = 0;
$harga_analisa_satuan = 0;
$hspk_reference = json_decode(get_hspk_reference_uraian_by_hspk_uraian_hspk_kode($hspk_uraian_ssh_hspk_kode));
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($hspk_reference->hspk_kegiatan_kode));
foreach($hspk_uraian as $row) { // first foreach
$hspk_uraian_koefisien = $row->hspk_uraian_koefisien;
if($row->hspk_uraian_ssh_hspk_sumber == "SSH") { // first if
$hspk_uraian_koefisien_ssh = $hspk_uraian_koefisien;
$ssh = json_decode(get_ssh_detail_by_kode($row->hspk_uraian_ssh_hspk_kode));
$ssh_total += ($ssh->ssh_uraian_harga * $hspk_uraian_koefisien_ssh);
} elseif($row->hspk_uraian_ssh_hspk_sumber == "HSPK") {
$hspk_uraian_koefisien_hspk_2 = $hspk_uraian_koefisien;
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($row->hspk_uraian_ssh_hspk_kode));
foreach($hspk_uraian as $row) { // second foreach
$hspk_uraian_koefisien = $row->hspk_uraian_koefisien;
if($row->hspk_uraian_ssh_hspk_sumber == "SSH") { // second if
$hspk_uraian_koefisien_ssh = $hspk_uraian_koefisien;
$ssh = json_decode(get_ssh_detail_by_kode($row->hspk_uraian_ssh_hspk_kode));
$ssh_total_2 += ($ssh->ssh_uraian_harga * $hspk_uraian_koefisien_ssh);
}elseif($row->hspk_uraian_ssh_hspk_sumber == "HSPK") {
$hspk_uraian_koefisien_hspk_3 = $hspk_uraian_koefisien;
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($row->hspk_uraian_ssh_hspk_kode));
foreach($hspk_uraian as $row) { // third foreach
$hspk_uraian_koefisien = $row->hspk_uraian_koefisien;
if($row->hspk_uraian_ssh_hspk_sumber == "SSH") {
$hspk_uraian_koefisien_ssh = $hspk_uraian_koefisien;
$ssh = json_decode(get_ssh_detail_by_kode($row->hspk_uraian_ssh_hspk_kode));
$ssh_total_3 += ($ssh->ssh_uraian_harga * $hspk_uraian_koefisien_ssh);
}else if($row->hspk_uraian_ssh_hspk_sumber == "HSPK") {
$hspk_uraian_koefisien_hspk_4 = $hspk_uraian_koefisien;
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($row->hspk_uraian_ssh_hspk_kode));
foreach ($hspk_uraian as $row) { // fourth foreach
$hspk_uraian_koefisien = $row->hspk_uraian_koefisien;
if($row->hspk_uraian_ssh_hspk_sumber == "SSH") {
$hspk_uraian_koefisien_ssh = $hspk_uraian_koefisien;
$ssh = json_decode(get_ssh_detail_by_kode($row->hspk_uraian_ssh_hspk_kode));
$ssh_total_4 += ($ssh->ssh_uraian_harga * $hspk_uraian_koefisien_ssh);
}elseif($row->hspk_uraian_ssh_hspk_sumber == "HSPK") {
// fifth handling
} // end fourth if
} // end fourth foreach
$harga_analisa_satuan = ((($ssh_total_4) * 0.15) + ($ssh_total_4));
$harga_analisa_hspk = ($harga_analisa_satuan * $hspk_uraian_koefisien_hspk_3);
$ssh_total_3 += $harga_analisa_hspk;
} // end third if
} // end third foreach
$harga_analisa_satuan = ((($ssh_total_3) * 0.15) + ($ssh_total_3));
$harga_analisa_hspk = ($harga_analisa_satuan * $hspk_uraian_koefisien_hspk_3);
$ssh_total_2 += $harga_analisa_hspk;
}; // end second if
} // end second foreach
$harga_analisa_satuan = ((($ssh_total_2) * 0.15) + ($ssh_total_2));
$harga_analisa_hspk = ($harga_analisa_satuan * $hspk_uraian_koefisien_hspk_2);
$ssh_total += $harga_analisa_hspk;
} // end first if
} // end first foreach
$harga_analisa_hspk = ((($ssh_total) * 0.15) + ($ssh_total));
return $harga_analisa_hspk;
} // end function
该函数的执行示例:
$test = sum_hspk('01.04');
echo $test;
要创建递归函数,需要考虑基本情况,以及希望从函数中获得什么样的ssh_total。在这种情况下,sum_hspk根据ssh&hspk计算ssh_total。SSH是您的基本情况,您可以直接计算值。但是对于HSPK,它取决于SSH和HSPK,因此,在找到基本SSH之前,需要采用自顶向下的方法。您需要在hspk条件下调用sum_hspk 您应该进行此更改以使其成为递归的
function get_ssh_total($row) {
$ssh_total = 0;
$hspk_uraian_koefisien = $row->hspk_uraian_koefisien;
if ($row->hspk_uraian_ssh_hspk_sumber == "SSH") {
$hspk_uraian_koefisien_ssh = $hspk_uraian_koefisien;
$ssh = json_decode(get_ssh_detail_by_kode($row->hspk_uraian_ssh_hspk_kode));
$ssh_total = ($ssh->ssh_uraian_harga * $hspk_uraian_koefisien_ssh);
}
else if ($row->hspk_uraian_ssh_hspk_sumber == "HSPK") {
$hspk_uraian_koefisien_hspk_2 = $hspk_uraian_koefisien;
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($row->hspk_uraian_ssh_hspk_kode));
foreach($hspk_uraian as $row) {
$ssh_total_2 += get_ssh_total($row);
}
$harga_analisa_satuan = ((($ssh_total_2) * 0.15) + ($ssh_total_2));
$harga_analisa_hspk = ($harga_analisa_satuan * $hspk_uraian_koefisien_hspk_2);
$ssh_total += $harga_analisa_hspk;
}
return $ssh_total;
}
function sum_hspk($hspk_uraian_ssh_hspk_kode) {
$ssh_total = 0;
$ssh_total_2 = 0;
$ssh_total_3 = 0;
$harga_analisa_hspk = 0;
$harga_analisa_satuan = 0;
$hspk_reference = json_decode(get_hspk_reference_uraian_by_hspk_uraian_hspk_kode($hspk_uraian_ssh_hspk_kode));
$hspk_uraian = json_decode(get_hspk_uraian_by_kegiatan($hspk_reference->hspk_kegiatan_kode));
foreach($hspk_uraian as $row) { // first foreach
$ssh_total += get_ssh_total($row);
} // end first foreach
$harga_analisa_hspk = ((($ssh_total) * 0.15) + ($ssh_total));
return $harga_analisa_hspk;
} // end function
递归意味着您只需调用函数本身。那么,为什么不在函数sum_hspk中写入sum_hspk$input呢?@NicoHaase感谢您的反馈,ben描述了这项技术:当我尝试进行一些修改时,我遇到了很多错误,计算也不精确,谢谢ben。我刚刚做了一次编辑。如果你还是算错了,那可能是因为我的误解。你可能需要解释你想要得到什么样的结果,解释你犯了什么错误。非常感谢我的兄弟@Ben,你解决了它。我自己编写了代码,但我不知道如何总结,哈哈。