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How can I get the last 7 characters of a PHP string?
...r for the 2nd argument.
$newstring = substr($dynamicstring, -7);
From the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th character from the end of string.
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Remove useless zero digits from decimals in PHP
...n officially suggested method for typecasting... search "type juggling" on php.net
– Gergely Lukacsy
May 6 '16 at 8:44
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ng-model for `` (with directive DEMO)
...$scope.uploadme="*" makes the image disappear.
– Per Quested Aronsson
Sep 19 '13 at 18:15
5
The p...
How to push both value and key into PHP array
...to combine arrays and keep the keys of the added array. For example:
<?php
$arr1 = array('foo' => 'bar');
$arr2 = array('baz' => 'bof');
$arr3 = $arr1 + $arr2;
print_r($arr3);
// prints:
// array(
// 'foo' => 'bar',
// 'baz' => 'bof',
// );
So you could do $_GET += array('on...
Django migration strategy for renaming a model and relationship fields
... helpful. But a note - I also had to rename and/or remove PostgreSQL field indexes by hand because, after renaming Foo to Bar, I created a new model named Bar.
– Anatoly Scherbakov
Jun 7 '15 at 18:47
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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JavaScript hashmap equivalent
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dict[key(obj1)] = obj1;
dict[key(obj2)] = obj2;
This way you can control indexing done by JavaScript without heavy lifting of memory allocation, and overflow handling.
Of course, if you truly want the "industrial-grade solution", you can build a class parameterized by the key function, and with al...
PHP - Merging two arrays into one array (also Remove Duplicates)
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array_unique(array_merge($array1,$array2), SORT_REGULAR);
http://se2.php.net/manual/en/function.array-unique.php
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Logical Operators, || or OR?
...nlike many other languages where they return the last value checked. So in PHP (27 || 0) returns true, not 27.
– TextGeek
Sep 15 '17 at 15:32
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Asynchronously load images with jQuery
... loading.
$(document).ready(function(){
$(".loadlater").each(function(index, element){
$(element).attr("src", $(element).attr("data-src"));
});
});
I bet the jQuery code could be abbreviated, but it is understandable this way.
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