where子句在数据表服务器端处理中不起作用

如何解决where子句在数据表服务器端处理中不起作用

我正在使用数据表服务器端处理。我正在从数据库中获取数据。 我的问题是，Where子句不适用于服务器端处理。我正在使用以下代码。我在堆栈溢出上找到了一个链接，并添加了相同的代码，但该代码也无法正常工作。

我引用了此链接

How to use 'WHERE' clause using ssp.class.php DataTables

html {
  scroll-behavior: smooth;
}
.is-180x180 {
  height: 180px;
  width: 180px;
}
.skill-list > li {
  margin: 30px 0 0 0;
}
.has-bg-image {
  background-image: url("../images/GretaThunberg collage2.png");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}
.bulma-image {
  width: 200px;
}
.interests {
  display: flex;
  justify-content: center;
}
.summary-text {
  margin-left: auto;
  margin-right: auto;
  max-width: 36em;
}
.skill-percentage {
  float: right;
}

/* For the under construction text on images */
div {
  white-space: pre-wrap;
}

/* //General */
body {
  margin: 0;
  background-color: #1d1d1e;
  font-family: "Roboto",sans-serif;
}

* {
  outline: none;
}

/* //Timeline carousel for weeks */

body {
  margin: 0;
  background-color: #1d1d1e;
  font-family: "Roboto",sans-serif;
}

* {
  outline: none;
}

.timeline-carousel {
  padding: 86px 6.9444% 90px 6.9444%;
  position: relative;
  overflow: hidden;
}

.timeline-carousel:after,.timeline-carousel:before {
  content: "";
  position: absolute;
  display: block;
  top: 0;
  height: 100%;
  width: 6.9444%;
   /* background-color: #1d1d1e; this is background that show in between slides*/ 
  z-index: 3;
}

.timeline-carousel:after {
  left: 0;
}

.timeline-carousel:before {
  right: 0;
  opacity: 0;
}

.timeline-carousel .slick-list {
  overflow: visible;
}

.timeline-carousel .slick-dots {
  bottom: -73px;
}

.timeline-carousel h1 {
  color: white;
  font-size: 46px;
  line-height: 50px;
  margin-bottom: 40px;
  font-weight: 900;
}

.timeline-carousel__image {
  padding-right: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 164px;
}

.timeline-carousel__item {
  cursor: pointer;
}

.timeline-carousel__item .media-wrapper {
  opacity: 0.4;
  padding-bottom: 71.4%;
  -webkit-transition: all 0.4s cubic-bezier(0.55,0.085,0.68,0.53);
  -o-transition: all 0.4s cubic-bezier(0.55,0.53);
  transition: all 0.4s cubic-bezier(0.55,0.53);
}

.timeline-carousel__item:last-child .timeline-carousel__item-inner:after {
  width: calc(100% - 30px);
}

.timeline-carousel__item-inner {
  position: relative;
  padding-top: 45px;
}

.timeline-carousel__item-inner:after {
  position: absolute;
  width: 100%;
  top: 45px;
  left: 0;
  content: "";
  border-bottom: 1px solid rgba(255,255,0.2);
}

.timeline-carousel__item-inner .year {
  font-size: 36px;
  line-height: 36px;
  color: white;
  display: table;
  letter-spacing: -1px;
  padding-right: 10px;
  background-color: #1d1d1e;
  z-index: 1;
  position: relative;
  margin: -15px 0 20px;
  font-weight: 900;
}

.timeline-carousel__item-inner .year:after {
  content: "";
  position: absolute;
  display: block;
  left: -10px;
  top: 0;
  height: 100%;
  width: 10px;
  background-color: #1d1d1e;
  z-index: 3;
}

.timeline-carousel__item-inner .month {
  font-size: 12px;
  text-transform: uppercase;
  color: #b38c52;
  display: block;
  margin-bottom: 10px;
  font-weight: 900;
}

.timeline-carousel__item-inner p {
  font-size: 12px;
  line-height: 18px;
  color: white;
  width: 60%;
  font-weight: 400;
  margin-bottom: 15px;
}

.timeline-carousel__item-inner .read-more {
  font-size: 12px;
  color: #b38c52;
  display: table;
  margin-bottom: 10px;
  font-weight: 900;
  text-decoration: none;
  position: relative;
}

.timeline-carousel__item-inner .read-more:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  border-bottom: 2px solid #b38c52;
  -webkit-transition: all 0.2s cubic-bezier(0.55,0.53);
  -o-transition: all 0.2s cubic-bezier(0.55,0.53);
  transition: all 0.2s cubic-bezier(0.55,0.53);
}

.timeline-carousel__item-inner .read-more:hover:after {
  width: 100%;
}

.timeline-carousel__item-inner .pointer {
  height: 29px;
  position: relative;
  z-index: 1;
  margin: -4px 0 16px;
}

.timeline-carousel__item-inner .pointer:after,.timeline-carousel__item-inner .pointer:before {
  position: absolute;
  content: "";
}

.timeline-carousel__item-inner .pointer:after {
  width: 9px;
  height: 9px;
  border-radius: 100%;
  top: 0;
  left: 0;
  background-color: #b38c52;
}

.timeline-carousel__item-inner .pointer:before {
  width: 1px;
  height: 100%;
  top: 0;
  left: 4px;
  background-color: #b38c52;
}

.timeline-carousel .slick-active .media-wrapper {
  opacity: 1 !important;
}

.slick-dots {
  bottom: 60px;
  list-style: none;
  position: absolute;
  width: 100%;
  left: 0;
  text-align: center;
  z-index: 2;
}

.slick-dots li {
  cursor: pointer;
  display: inline-block;
  margin: 0 6px;
  position: relative;
  width: 10px;
  height: 10px;
}

.slick-dots li:last-child {
  margin-right: 0;
}

.slick-dots li.slick-active button {
  background: #b38c52;
  border-color: #b38c52;
}

.slick-dots li button {
  display: block;
  font-size: 0;
  width: 10px;
  height: 10px;
  padding: 0;
  background-color: rgba(255,0.6);
  border-color: rgba(255,0.6);
  cursor: pointer;
  -webkit-transition: all 0.4s cubic-bezier(0.55,0.53);
}

.slick-dots li button:hover {
  background: #b38c52;
  border-color: #b38c52;
}

.link {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 20px;
  z-index: 9999;
}

.link a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #fff;
}

.link .fa {
  font-size: 28px;
  margin-right: 8px;
  color: #fff;
}

此解决方案有帮助吗？