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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.
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Recent questions tagged PHP
41,615
questions
54,278
answers
573
users
Recent questions tagged PHP
1
answer
97
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
68
views
How to compare arrays in PHP
asked
Nov 13, 2025
by
avibootz
php
php-compare-arrays
compare-arrays
1
answer
79
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
90
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
70
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
72
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
91
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
91
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
105
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
86
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
86
views
How to count words in a string with punctuation in PHP
asked
Nov 2, 2025
by
avibootz
php
php-string
2
answers
101
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
63
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
65
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
63
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
70
views
How to swap all odd and even bits in PHP
asked
Oct 26, 2025
by
avibootz
php
php-bits
1
answer
84
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
58
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
59
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
92
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
70
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
179
views
How to resize an array in PHP
asked
Oct 14, 2025
by
avibootz
php
php-array
php-resize
1
answer
79
views
How to calculate the Euclidean distance between two points in PHP
asked
Oct 12, 2025
by
avibootz
php
php-euclidean-distance
1
answer
72
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
76
views
How to generate a random RGB color code in PHP
asked
Oct 9, 2025
by
avibootz
php
php-random
php-rgb
1
answer
78
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
82
views
How to check whether a matrix is a square matrix in PHP
asked
Oct 7, 2025
by
avibootz
php
php-matrix
1
answer
82
views
How to calculate the median of a matrix in PHP
asked
Oct 5, 2025
by
avibootz
php
php-matrix
php-median
1
answer
89
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
82
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
78
views
How to get matrix size in PHP
asked
Oct 2, 2025
by
avibootz
php
php-matrix
1
answer
78
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
86
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
116
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
1
answer
98
views
How to reverse a word in a string with PHP
asked
Sep 26, 2025
by
avibootz
php
php-string
php-reverse
1
answer
91
views
How to reverse each word in a string with PHP
asked
Sep 24, 2025
by
avibootz
php
php-string
php-reverse
1
answer
82
views
How to find the smallest letter in a sorted array that is larger than a given letter in PHP
asked
Sep 21, 2025
by
avibootz
php
php-array
1
answer
85
views
How to generate a random hexadecimal string in PHP
asked
Sep 18, 2025
by
avibootz
php
php-hexadecimal
1
answer
87
views
How to find the length of the longest consecutive zeroes in the binary representation of a number in PHP
asked
Sep 15, 2025
by
avibootz
php
php-binary
1
answer
88
views
How to find the two elements in an array whose sum is closest to zero in PHP
asked
Sep 13, 2025
by
avibootz
php
php-array
1
answer
83
views
How to check if two given words are present in a string in PHP
asked
Sep 12, 2025
by
avibootz
php
php-string
1
answer
61
views
How to convet decimal number base-12 number in PHP
asked
Sep 11, 2025
by
avibootz
php
php-base-12
1
answer
77
views
How to print the season name of the year based on the month number in PHP
asked
Sep 10, 2025
by
avibootz
php
php-season-month
1
answer
85
views
How to simplify path (remove ".." and "." and replace multiple “////” with one single “/”) in PHP
asked
Sep 8, 2025
by
avibootz
php
php-path
1
answer
55
views
How to find sum of the first N even numbers in PHP
asked
Sep 6, 2025
by
avibootz
php
php-sum
1
answer
67
views
How to find the position of the first set bit (1-bit) of a number in PHP
asked
Sep 4, 2025
by
avibootz
php
php-bits
1
answer
80
views
How to sort an array that consists of only 0s and 1s in PHP
asked
Sep 2, 2025
by
avibootz
php
php-array
php-sort
1
answer
119
views
How to sort an array of strings where each string represents a decimal number in PHP
asked
Sep 1, 2025
by
avibootz
php
php-array
php-sort
1
answer
48
views
How to find the number of squares in an N*N grid with PHP
asked
Aug 31, 2025
by
avibootz
php
php-grid-squares
1
answer
69
views
How to calculate compound interest in PHP
asked
Aug 30, 2025
by
avibootz
php
php-compound-interest
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