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Php array explode a char


Php array explode a char

By : blessing mogabo
Date : November 28 2020, 09:01 AM
it should still fix some issue The delimiter argument to explode() doesn't have to be a single character, it can be any string. So use x with spaces around it as the delimiter.
code :
list($size, $quantity) = explode(' x ', $s);


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Parallel to PHP's "explode" in C: Split char* into char* using delimiter

Parallel to PHP's "explode" in C: Split char* into char* using delimiter


By : Anna
Date : March 29 2020, 07:55 AM
may help you . , You can use strtok like CrazyCasta said but his/hers code is wrong.
code :
char *tok;
char *src = malloc(strlen(srcStr) + 1);
memcpy(src, srcStr);

tok = strtok(src, "#");
if(tok == NULL)
{
    printf("no tokens found");
    free(src);
    return ???;
}
printf("%s ; ", tok);
while((tok = strtok(NULL, "#")))
    printf("%s ; ", tok);
printf("\n");
free(str);
char *strdup(const char *src)
{
    char *tmp = malloc(strlen(src) + 1);
    if(tmp)
        strcpy(tmp, src);
    return tmp;
}

void explode(const char *src, const char *tokens, char ***list, size_t *len)
{   
    if(src == NULL || list == NULL || len == NULL)
        return;

    char *str, *copy, **_list = NULL, **tmp;
    *list = NULL;
    *len  = 0;

    copy = strdup(src);
    if(copy == NULL)
        return;

    str = strtok(copy, tokens);
    if(str == NULL)
        goto free_and_exit;

    _list = realloc(NULL, sizeof *_list);
    if(_list == NULL)
        goto free_and_exit;

    _list[*len] = strdup(str);
    if(_list[*len] == NULL)
        goto free_and_exit;
    (*len)++;


    while((str = strtok(NULL, tokens)))
    {   
        tmp = realloc(_list, (sizeof *_list) * (*len + 1));
        if(tmp == NULL)
            goto free_and_exit;

        _list = tmp;

        _list[*len] = strdup(str);
        if(_list[*len] == NULL)
            goto free_and_exit;
        (*len)++;
    }


free_and_exit:
    *list = _list;
    free(copy);
}
char **list;
size_t i, len;
explode("this;is;a;string", ";", &list, &len);
for(i = 0; i < len; ++i)
    printf("%d: %s\n", i+1, list[i]);

/* free list */
for(i = 0; i < len; ++i)
    free(list[i]);
free(list);
valgrind ./a 
==18675== Memcheck, a memory error detector
==18675== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al. 
==18675== Using Valgrind-3.6.0.SVN-Debian and LibVEX; rerun with -h for copyright info
==18675== Command: ./a 
==18675== 
1: this
2: is
3: a
4: string
==18675== 
==18675== HEAP SUMMARY:
==18675==     in use at exit: 0 bytes in 0 blocks
==18675==   total heap usage: 9 allocs, 9 frees, 114 bytes allocated
==18675== 
==18675== All heap blocks were freed -- no leaks are possible
==18675== 
==18675== For counts of detected and suppressed errors, rerun with: -v
==18675== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)
How to split or explode string with first non alphanumeric char - PHP

How to split or explode string with first non alphanumeric char - PHP


By : Awwal
Date : March 29 2020, 07:55 AM
help you fix your problem Strings: , A simple preg_match should do the trick.
code :
preg_match("/[a-zA-Z0-9 ]+/", $str, $match);
check if value explode in array is duplicated with another explode value

check if value explode in array is duplicated with another explode value


By : Wesley Szamotula
Date : March 29 2020, 07:55 AM
This might help you You will need to collect the right side values as you loop through them and check for duplicates. I am accessing the strings' right side values via their "offset" [2]. When found, you can exit the loop with a break.
Code: (Demo)
code :
$array=['1%2','3%4','1%2','1%3'];
$kept=[];
foreach($array as $i=>$v){
    if(in_array($v[2],$kept)){
        echo "Element (index $i) containing $v has duplicate right side value.";
        break;
    }
    $kept[]=$v[2];
}
Element (index 2) containing 1%2 has duplicate right side value.
$search=2;
$array=['1%2','1%3','1%4','3%2','5%2'];
var_export(preg_grep("/%{$search}$/",$array));
array (
  0 => '1%2',
  3 => '3%2',
  4 => '5%2',
)
$search=2;
$array=['21%2','1%3','2%22','1%4','3%21','5%2'];
var_export(array_filter($array,function($v)use($search){return strpos($v,"%$search")+2===strlen($v);}));
array (
  0 => '21%2',
  5 => '5%2',
)
$array=['1%2','1%3','1%4','3%2','5%2'];
foreach($array as $v){
    $grouped[explode('%',$v)[1]][]=$v;  // use right side number as key
}
var_export($grouped);
array (
  2 => 
  array (
    0 => '1%2',
    1 => '3%2',
    2 => '5%2',
  ),
  3 => 
  array (
    0 => '1%3',
  ),
  4 => 
  array (
    0 => '1%4',
  ),
)
$array=['1%2','1%3','1%4','3%2','5%2'];
$array=preg_replace('/\d+%/','',$array);  // strip the left-size and % from elements
var_export(array_count_values($array));  // count occurrences
// [right side values] => [counts]
array (
  2 => 3,
  3 => 1,
  4 => 1,
)
How to pass char type array to a function and copy 1st char array to 2nd chart array and compare it using c++?

How to pass char type array to a function and copy 1st char array to 2nd chart array and compare it using c++?


By : kris59
Date : March 29 2020, 07:55 AM
wish helps you Do not use strncpy_s, it is non-standard. Instead, use strncpy as you were originally. In order to use it, you need to include cstring.
code :
#include <cstring>
void mycopy(char* array);
void mycopy(char array[]);
void mycopy(char array[15]);
mycopy(array);
Cannot invoke copyOf(char[], int) on the array type char[] in the function "public ArrayList<char[]> sort(Arr

Cannot invoke copyOf(char[], int) on the array type char[] in the function "public ArrayList<char[]> sort(Arr


By : mbonkowski
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further The object char[] does not have a .copyOf method. You can replace that with Arrays.copyOf(array, size)
code :
int size = ((chars.get(i + 1).length - chars.get(i).length) + chars.get(i).length);
char[] c = Arrays.copyOf(chars.get(i), size);
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