起初對不起,如果我的英語sux。 那麼我需要你的幫助。PHP - 如果裏面的foreach
我 「解析錯誤:語法錯誤,意想不到的 '如果'(T_IF)」 用下面的代碼:
<?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>";
}
?>
它如何工作的?
謝謝大家! :)
編輯:
終於得到了答案:
<?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> ";
}
?>
感謝大家的傢伙。 可以關閉這個話題:)
if語句中的字符串,並在不使用回聲請不要寫變量,只是使其字符串。 –
繼承人是你的起點,https://eval.in/476073。 – chris85
然後呢?我如何選擇用戶在我的表單中選擇的選項? 謝謝Chris85;) – i7ach1