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I was wondering if you could give two values to a class and then acces to the second one by POST, something like this (part of the code):
echo "<select name='selecttsk' id='selecttsk'>";
while($w = $bd->obtener_fila($tasker, 0)){
echo "<option class='opcion1' value ='".$w[1]/$w[2]."'>".$w[0]."</option>";
}
echo "</select>";
?>
and then i need to do something like this in other file
$var = $_POST[selecttsk];
but i need $w[2]
thanks
I suppose your $_POST['selecttsk'] does have the values in the following format:
"foo/bar"
You could use "explode" in PHP to get the second part (bar), for example:
$postvar = $_POST['selecttsk'];
$vars = explode("/", $postvar);
// Then
$var = $vars[1]; // Will be the $w[2] from the form
Look into: http://php.net/explode
Beware that if $w[1] or $w[2] ever contains a "/" you might get unexpected results, you could use the limit function of explode to mitigate that issue.
However - I would generally not recommend this workflow.
Why do you need to send two variables with one select?
(could you show us som example of what $w contains)
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I want to replace two words in a sentence with one word, like in the following example:
Kippa's luck was very bad yesterday.
I want to change it to:
Kippa's was very misfortune yesterday.
In this example, I know it has no sense, but it's just an example,
I want to replace (luck & bad) with the word (misfortune) in php.
Thank you
You can pass arrays as parameters to str_replace
<?php
$youText = "Kippa's luck was very bad yesterday.";
$replace_1 = ["bad", "luck"];
$replace_2 = ["misfortune", ""];
$result = str_replace($replace_1, $replace_2, $youText);
echo $result;
?>
Thank you. but actually there are alot of different words to be changed with, not only one word. I need something like this: **
$URLContent = "he has a bad luck. but he is ok, a good man";
$remove_multi = array(['bad', 'luck'],
['good', 'man']);
$replace_multi = array(['misfortune', ''],
['nice', '']);
$URLContent = str_replace($remove_multi, $replace_multi, $URLContent);
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I want replace php codes in string and running fro server
$x = 1;
$string = "OK:{first}Yes{second}No";
I want replace if($x == 1){ to {first} and } else { to {second}
After run and echo $string , I want result in html :
OK:Yes
How did you come up with this approach? Why not simply:
$string = $x == 1 ? 'OK:Yes' : 'OK:No';
That would get you the string you want based on the value of $x.
Also if you literally mean that you want to do a search-n-replace on the PHP code itself (as #OllyTenerife assumes), then are you going to write it into a file to be executed later, or use eval() or something? Doesn't sound like the right track there... In which case, remodel your code.
$string = str_replace("{first}","if($x == 1)",$string);
$string = str_replace("{second}","} else {",$string);
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Generally we add to an array with
$myarray[] = $myItem
but if $myItem is a massive object I don't want it to get copied, instead I want it to be assigned by reference. Something like
$myarray[] = &$myItem
but that doesn't work and instead replaces every element in $myarray with $myItem
I tried
$myarray[count($myarray)] = &$myItem
but it still replaces everything in $myarray
I am running PHP v5.5
Objects are always assigned by reference. So:
$collection = array();
$blah = new Blah();
$blah->param = "something";
$collection[] = $blah;
$blah->param = "changed";
echo $collection[0]->param; // will output "changed"
According to How to push a copy of an object into array in PHP
Objects are always passed by reference in php 5 or later.
Therefore this question isn't really a concern anymore.
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Ok as per your suggestion I updated... By default Laravel returns JSON... I have set it to return an array but I am still getting the same row duplicated using:
$limits = array();
foreach($pieces as $coverage_limit){
$limits[] = coveragelimit::index($coverage_limit);
}
return json_encode($limits);
}
You're just overwriting $limits inside that foreach() loop. Perhaps you mean something more like
foreach($pieces as $coverage_limit){
$limits[] = coveragelimit::index($coverage_limit);
^^--- array push?
}
As well, you don't "implement" JSON instead of arrays. You work with NATIVE data structures, then encode that structure into JSON. JSON's a transport format, it's not something you should ever deal with natively.
the $limits array will hold the last value what coveragelimit::index() returns over the iterate, I would suggest a check on coveragelimit::index() return value if it falls with "Marc B"'s answer.
EDIT:
foreach($pieces as $key=>$coverage_limit) {
$limits[$key] = coveragelimit::index($coverage_limit);
}
or
foreach($pieces as $coverage_limit) {
array_push($limits, coveragelimit::index($coverage_limit));
}
both should returns the same as Marc B's answer
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i writing a PHP script that call a file in the server
by using :
<?php
$ret=system("command");
?>
the problem is when the file need some parameters
i can't find a way of doing that
because when using
<?php
$ret=system("command");
?>
the PHP skips that part of asking for variables
and assign to id a random one
and i can't pass theme at the start like
$ret = system("command argument1 argument2 argument3...");
beause the nmber of parametres depend on the user
i mean he keep entring data to a dynamic array entill he enter"end"
$ret = system("command argument1 argument2 argument3...");
Just load the arguments on, just like you were calling the program from a command line.
$cmd = "cmd param1 param2";
system($cmd,$return_value);
($return_value == 0) or die("returned an error: $cmd");
If what you mean is that you have an array that can have any number of parameters use this:
$commandParameters = implode(" ",$dynamicArray);
$ret = system("command ".escapeshellarg($commandParameters));
Get the parameters from the user via. HTML form and then, when you know what (and how many) the parameters are - you can use "system()" like everyone suggested!