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Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.
Contact: aviboots(AT)netvision.net.il
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Recent questions tagged php
40,937
questions
53,400
answers
573
users
Recent questions tagged php
1
answer
58
views
How to select random two digits from anywhere in a number with PHP
asked
Nov 26, 2025
by
avibootz
php
php-random-two-anywhere-digits
random-two-anywhere-digits
1
answer
65
views
How to select random two consecutive digits from a number in PHP
asked
Nov 26, 2025
by
avibootz
php
php-random-two-consecutive-digits
random-two-consecutive-digits
1
answer
65
views
How to convert a degree to a compass direction in PHP
asked
Nov 24, 2025
by
avibootz
php
php-degree-compass-direction
degree-compass-direction
1
answer
59
views
How to calculate the sum of all Fibonacci numbers between two left and right indices in PHP
asked
Nov 23, 2025
by
avibootz
php
php-sum-fibonacci-numbers
sum-fibonacci-numbers
1
answer
67
views
How to initialize a matrix with random characters in PHP
asked
Nov 22, 2025
by
avibootz
php
php-matrix-random-characters
matrix-random-characters
2
answers
89
views
How to generate all possible permutations and combinations of an array of chars in PHP
asked
Nov 21, 2025
by
avibootz
php
php-array-all-permutations-combinations
all-permutations-combinations
1
answer
63
views
How to find the first 4-digit prime number where all digits are unique in PHP
asked
Nov 20, 2025
by
avibootz
php
php-4-digit-prime-unique
4-digit-prime-unique
1
answer
63
views
How to use explode with a list in PHP
asked
Nov 19, 2025
by
avibootz
php
php-explode-list
explode-list
1
answer
79
views
How to generate a random integer from a range [0, N] that is not in a unique integer list with PHP
asked
Nov 19, 2025
by
avibootz
php
php-random
php-random-excluding-list
random-excluding-list
1
answer
65
views
How to replace all occurrences of a specific digit in a floating-point number with PHP
asked
Nov 18, 2025
by
avibootz
php
php-replace-all-occurrences-digit-float
replace-all-occurrences-digit-float
1
answer
97
views
How to replace a digit in a floating-point number by index with PHP
asked
Nov 17, 2025
by
avibootz
php
php-replace-digit-float
replace-digit-float
1
answer
73
views
How to check whether each substring range (L to R) from an array of substring ranges is a palindrome in PHP
asked
Nov 16, 2025
by
avibootz
php
php-substring-range-palindrome
substring-range-palindrome
1
answer
74
views
How to use count_chars with mode 4 (string containing all unused characters is returned) in PHP
asked
Nov 16, 2025
by
avibootz
php
php-count-chars-mode-4
php-string-unused-characters
string-unused-characters
1
answer
64
views
How to use count_chars with mode 3 (a string containing all unique characters is returned) in PHP
asked
Nov 15, 2025
by
avibootz
php
php-count-chars-mode-3
php-string-unique-characters
string-unique-characters
1
answer
230
views
How to encode to uuencoded and decode back to original string in PHP
asked
Nov 15, 2025
by
avibootz
php
php-encode-uuencoded
php-decode-uuencoded
encode-uuencoded
decode-uuencoded
1
answer
57
views
How to convert an array of strings and group all the anagrams into subarrays in PHP
asked
Nov 15, 2025
by
avibootz
php
php-array-anagram
group-anagrams
1
answer
80
views
How to get all the substrings with exactly k distinct characters from a given string in PHP
asked
Nov 14, 2025
by
avibootz
php
php-substring
php-string
substrings-with-k-distinct-characters
1
answer
60
views
How to compare arrays in PHP
asked
Nov 13, 2025
by
avibootz
php
php-compare-arrays
compare-arrays
1
answer
70
views
How to find the Kth smallest number in an unsorted array with PHP
asked
Nov 11, 2025
by
avibootz
php
php-find-array
1
answer
74
views
How to find a list of numbers up to a limit that is a palindrome in base 10 and base 2 in PHP
asked
Nov 11, 2025
by
avibootz
php
php-bouble-base-palindrome
1
answer
57
views
How to find all the numbers that are equal to the sum of the factorials of their digits in PHP
asked
Nov 9, 2025
by
avibootz
php
php-numbers
php-factorials
1
answer
60
views
How to find the numbers that are the sum of fifth powers of their digits in PHP
asked
Nov 9, 2025
by
avibootz
php
php-numbers
php-fifth-power
1
answer
80
views
How to find the floor and ceiling of the value N in an unsorted array with PHP
asked
Nov 8, 2025
by
avibootz
php
php-floor
php-ceil
php-array
1
answer
85
views
How to write a recursive function to generate all permutations of a string in PHP
asked
Nov 5, 2025
by
avibootz
php
php-recursion
1
answer
93
views
How to set specific bits and find the set bits indexes in PHP
asked
Nov 3, 2025
by
avibootz
php
php-bits
1
answer
76
views
How to generate random floating point numbers in PHP
asked
Nov 2, 2025
by
avibootz
php
php-generate-random-floating-point-numbers
generate-random-floating-point-numbers
1
answer
72
views
How to count words in a string with punctuation in PHP
asked
Nov 2, 2025
by
avibootz
php
php-string
2
answers
90
views
How to round a number to the nearest power of 2 in PHP
asked
Oct 31, 2025
by
avibootz
php
php-round
1
answer
53
views
How to round a number to the previous power of 2 in PHP
asked
Oct 30, 2025
by
avibootz
php
php-round
1
answer
56
views
How to round a number to the next power of 2 in PHP
asked
Oct 29, 2025
by
avibootz
php
php-word
1
answer
47
views
How to check if a word is all uppercase or lowercase or capitalized in PHP
asked
Oct 27, 2025
by
avibootz
php
php-word
1
answer
57
views
How to swap all odd and even bits in PHP
asked
Oct 26, 2025
by
avibootz
php
php-bits
1
answer
72
views
How to create a 2-letter permutation from A, B, C, and D in PHP
asked
Oct 24, 2025
by
avibootz
php
php-permutation
1
answer
51
views
How to find the digit previous to a given digit in a number with PHP
asked
Oct 21, 2025
by
avibootz
php
php-digits
1
answer
51
views
How to find the digit next to a given digit in a number with PHP
asked
Oct 18, 2025
by
avibootz
php
php-digits
1
answer
79
views
How to add a range of elements of an array to another array at a specific position in PHP
asked
Oct 17, 2025
by
avibootz
php
php-array
php-range
1
answer
60
views
How to add a range of elements of an array to another array in PHP
asked
Oct 16, 2025
by
avibootz
php
php-array
php-range
6
answers
167
views
How to resize an array in PHP
asked
Oct 14, 2025
by
avibootz
php
php-array
php-resize
1
answer
64
views
How to calculate the Euclidean distance between two points in PHP
asked
Oct 12, 2025
by
avibootz
php
php-euclidean-distance
1
answer
61
views
How to generate a random HEX RGB color code in PHP
asked
Oct 9, 2025
by
avibootz
php
php-rgb
php-random
1
answer
61
views
How to generate a random RGB color code in PHP
asked
Oct 9, 2025
by
avibootz
php
php-random
php-rgb
1
answer
70
views
How to search for a number in a sorted matrix in PHP
asked
Oct 7, 2025
by
avibootz
php
php-matrix
php-search
1
answer
70
views
How to check whether a matrix is a square matrix in PHP
asked
Oct 7, 2025
by
avibootz
php
php-matrix
1
answer
68
views
How to calculate the median of a matrix in PHP
asked
Oct 5, 2025
by
avibootz
php
php-matrix
php-median
1
answer
73
views
How to find the second biggest number in a set of random numbers in PHP
asked
Oct 4, 2025
by
avibootz
php
php-second-biggest
1
answer
72
views
How to find a common element in all rows of a given matrix with sorted rows in PHP
asked
Oct 3, 2025
by
avibootz
php
php-matrix
1
answer
66
views
How to get matrix size in PHP
asked
Oct 2, 2025
by
avibootz
php
php-matrix
1
answer
70
views
How to count the number of sorted rows in either increasing or decreasing order in a matrix using PHP
asked
Oct 1, 2025
by
avibootz
php
php-matrix
1
answer
69
views
How to check whether a matrix is a magic square or not in PHP
asked
Sep 30, 2025
by
avibootz
php
php-matrix
2
answers
104
views
How to check whether a string can be segmented into a sequence of words from a dictionary in PHP
asked
Sep 28, 2025
by
avibootz
php
php-string
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