PHP-如果在foreach内部
首先很抱歉,如果我的英语sux。 我需要你的帮助 我得到了“Parse error:syntax error,意外的'if'(T_if)”,代码如下:PHP-如果在foreach内部,php,foreach,Php,Foreach,首先很抱歉,如果我的英语sux。 我需要你的帮助 我得到了“Parse error:syntax error,意外的'if'(T_if)”,代码如下: <?php $ssimple=''; $smultiUno=''; $smultiDos=''; $deportes = array("Nadar","Fitness","Baloncesto"); $cine = array("StarWars","El señor de los Anillos","M
<?php
$ssimple='';
$smultiUno='';
$smultiDos='';
$deportes = array("Nadar","Fitness","Baloncesto");
$cine = array("StarWars","El señor de los Anillos","Matrix","Pulp Fiction");
$musica = array("Rock","Metal","Goth");
foreach ($deportes as $value) {
$ssimple.= "<option value=\"$value\" ".if(isset($deportes) and $deportes == $value) echo 'selected="selected"'.">$value</option>";
}
foreach ($cine as $value) {
$smultiUno.= "<option value=\"$value\"".if(isset($cine) and $cine == $value) echo 'selected="selected"'.">$value</option>";
}
foreach ($musica as $value) {
$smultiDos.= "<option value=\"$value\"".if(isset($musica) and $musica == $value) echo 'selected="selected"'.">$value</option>";
}
?>
它是如何工作的
谢谢大家!:)
编辑:
最后得到答案:
<?php
$dep='';
$cin='';
$mus='';
$sdeportes = array("Natacion",
"Fitness",
"Baloncesto",
"Tenis",
"Patinaje Artistico");
$scine = array("StarWars",
"Matrix",
"Indiana Jones",
"Pulp Fiction",
"El Hobbit");
$smusica = array("Rock",
"Metal",
"Goth",
"Chill Step",
"Alternativa");
foreach ($sdeportes as $value) {
if(isset($deportes) and $value == $deportes){
$a = "selected=\"selected\"";
}else{
$a = '';
}
$dep .= "<option value =\"$value\" $a>$value</option>";
}
foreach ($scine as $value) {
if(isset($cine) and in_array($value, $cine)){
$a="selected=\"selected\"";
}else{
$a='';
}
$cin .= "<option value =\"$value\" $a>$value</option>";
}
foreach ($smusica as $value) {
if(isset($musica) and in_array($value, $musica)){
$a = "selected=\"selected\"";
}else{
$a='';
}
$mus .= "<option value =\"$value\" $a>$value</option> ";
}
?>
谢谢大家。
可以关闭此主题:)尝试以下操作:
foreach ($deportes as $value) {
$selected = (isset($deportes) and $deportes == $value) ? 'selected="selected"' : '' ;
$simple .= '<option value="'.$value.'"'.$selected.'>'.$value.'</option>';
}
foreach($value驱逐出境){
$selected=(isset($DELACES)和$DELACES==$value)?'selected=“selected”:'';
$simple.=''.$value';
}
请忽略字符串中的使用条件请不要在字符串中写入if语句,也不要在变量中使用echo,只要将其设置为字符串即可。这是您的起点,。然后呢?如何选择用户在我的表单中选择的选项?谢谢你,克里斯85;)为什么要忽略字符串中的使用条件?你能解释一下它不起作用,但还是谢谢你:)