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I have array with numbers and variable number:
$a = array(1,2,3,4,5,6,7,8,9,10);
$v = 5;
I need result all numbers if is higher as $v:
$result = ?? //array(6,7,8,9,10)
<?php
$a = array(1,2,3,4,5,6,7,8,9,10);
$v = 5;
foreach($a as $value){
if($value > $v ){
$new[] = $value;
}
}
echo "<pre>";
print_r($new);
Related
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Please can anybody re-write this function for me for php 7.4
private function flattenArray($array)
{
$objTmp = (object)['aFlat' => []];
array_walk_recursive($array, create_function('&$v, $k, &$t', '$t->aFlat[] = $v;'), $objTmp);
return $objTmp->aFlat;
}
I finally got it..
private function flattenArray($array)
{
$objTmp = (object)['aFlat' => []];
array_walk_recursive($array, function(&$v, $k, &$t){$t->aFlat[] = $v;}, $objTmp);
return $objTmp->aFlat;
}
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this is my array:
$a = [1,2,3,4,5];
Processed format：
1,2
1,3
1,4
1,5
2,3
2,4
2,5
3,4
3,5
4,5
The two elements are a group. If only the last element is left, it ends.
Like so:
$a = [1,2,3,4,5];
foreach($a as $key => $value)
{
for($i = $key + 1; $i < count($a); $i++)
{
echo $value.",".$a[$i]."\n";
}
}
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For example i have the PHP code like this
if ($rating_count == $rating_notnull) {
$returnValue = 1;
}
if($project_count == $project_notnull) {
$returnValue = 2;
}
Now,I want to store two variable values into one single variable?
Arrays can be used to hold multiple values. They can have a key or not.
<?php
$x = array();
$x[] = 'Some Value';
$x[] = 'Another value';
var_dump($x);
$x = array();
$x['name'] = 'Anil';
$x['other name'] = 'Del Boy';
var_dump($x);
$x = array(
'Name' => 'Batman',
'Status' => 'Busy',
'etc' => 'etc',
);
var_dump($x);
Have a play with it here: https://3v4l.org/LCjtY
As explained in other comments the most efficient way would to be to use an array to store these values.
However, if you do wish to store this in a single variable you could use explode.
This will output it in an array when it is exploding however allows you to store it into one variable
$str = "Hello, this, is, a, variable";
explode(",", $str);
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Can you help me with a regular expression for this:
$value = '["number"]';
or
$value = '["number","number"]';
or
$value = '["number","number","number"]';
or
...
...
...
...
$value = '["number","number","number","number","number","number","number"......,"number"]';
//$number can be rand(0, 99.....999);
I need the result to be validated as true or false!
Here is my version:
function test($v)
{
if (preg_match('/^\\[("number")(,"number")*\\]$/', $v))
echo 'ok<br>';
else
echo 'fail<br>';
}
or if "number" is really digits, this one:
function test($v)
{
if (preg_match('/^\\[("[0-9]+")(,"[0-9]+")*\\]$/', $v))
echo 'ok<br>';
else
echo 'fail<br>';
}
NOTE - only positive naturals are accepted, need to change to negative and decimal/floating numbers
Do you really need to use PCRE? Your example is valid json.
$array = json_decode('["number", "number", "123"]');
var_dump($array);
If you need numbers only, you can filter it.
$new_array = array_filter($array, 'ctype_digit');
$result = count($array) == $new_array? $new_array : null;
var_dump($result);
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I have an array and print_r won't display the raw text, how can I print all the values in an array (e.g. pie)
So many ways to do it...
foreach ($array as $item) {
echo $item;
}
echo join(', ', $array);
array_walk($array, create_function('$a', 'echo $a;'));
Maybe you just need some <pre> tags:
echo '<pre>';
print_r($arr);
echo '</pre>';
<?php
$len=count($pie);
for ($i=0;$i<$len;$i++)
echo $pie[$i];
?>