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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
41,214
questions
53,716
answers
573
users
Recent questions tagged php
1
answer
200
views
How to check if a string contains only English letters, digits, spaces, and special characters in PHP
asked
Mar 25, 2024
by
avibootz
php
1
answer
197
views
How to check if second string a rotated version of first string in PHP
asked
Mar 25, 2024
by
avibootz
php
1
answer
221
views
How to check if second string is subsequence of first string in PHP
asked
Mar 24, 2024
by
avibootz
php
1
answer
135
views
How to generate a unique code in PHP
asked
Mar 23, 2024
by
avibootz
php
1
answer
146
views
How to solve the warning: Attempt to read property "name" on null in PHP
asked
Mar 21, 2024
by
avibootz
php
1
answer
175
views
How to get the current time in London with PHP
asked
Mar 20, 2024
by
avibootz
php
1
answer
244
views
How to get the current date and time in London with PHP
asked
Mar 20, 2024
by
avibootz
php
1
answer
151
views
How to remove characters from a numeric string such that the string becomes divisible by 8 in PHP
asked
Mar 19, 2024
by
avibootz
php
1
answer
147
views
How to remove specific characters from a string in PHP
asked
Mar 17, 2024
by
avibootz
php
1
answer
204
views
How to remove the middle character from a string in PHP
asked
Mar 16, 2024
by
avibootz
php
1
answer
133
views
How to check if a string contains only valid parentheses (open close same type (), {}, []) in PHP
asked
Mar 9, 2024
by
avibootz
php
1
answer
161
views
How to check if a double variable contains an integer and not a floating point in PHP
asked
Mar 5, 2024
by
avibootz
php
1
answer
143
views
How to shift each letter in a string N places up in the alphabet with PHP
asked
Feb 29, 2024
by
avibootz
php
1
answer
184
views
How to shift letters in a string x times by giving an array of shifts in PHP
asked
Feb 28, 2024
by
avibootz
php
php-shift-letters-string-array-shifts
shift-letters-string-array-shifts
1
answer
123
views
How to find the maximum sum of a subarray in PHP
asked
Feb 25, 2024
by
avibootz
php
1
answer
123
views
How to find the maximum length of a subarray having a sum equal to K in PHP
asked
Feb 24, 2024
by
avibootz
php
1
answer
137
views
How to check if an array is monotonic in PHP
asked
Feb 23, 2024
by
avibootz
php
1
answer
168
views
How to find all the possible rows which are permutations of a given row in a matrix with PHP
asked
Feb 21, 2024
by
avibootz
php
1
answer
191
views
How to sort an array in descending order using selection sort with PHP
asked
Feb 20, 2024
by
avibootz
php
1
answer
139
views
How to fill a matrix with prime numbers in PHP
asked
Feb 16, 2024
by
avibootz
php
1
answer
161
views
How to check if a string can split into 4 distinct substrings in PHP
asked
Feb 15, 2024
by
avibootz
php
1
answer
166
views
How to decrypt string from a string containing digits (0-9) and # by using numbers mapping in PHP
asked
Feb 14, 2024
by
avibootz
php
1
answer
156
views
How to find elements that appear more than array_size/K times in an array with PHP
asked
Feb 11, 2024
by
avibootz
php
1
answer
147
views
What is the equivalent of Python set(string) in PHP
asked
Feb 7, 2024
by
avibootz
php
1
answer
167
views
How to check if a number is a repdigit number (a natural number composed of repeated digits) in PHP
asked
Feb 7, 2024
by
avibootz
php
1
answer
188
views
How to merge two key values arrays without duplicate keys in PHP
asked
Feb 7, 2024
by
avibootz
php
1
answer
152
views
What is the equivalent of Python string.format in PHP
asked
Feb 7, 2024
by
avibootz
php
2
answers
187
views
How to find hamming distance (number of bits in the same position that differs in two numbers) in PHP
asked
Feb 6, 2024
by
avibootz
php
2
answers
170
views
How to select N reservoir items randomly from an array in PHP
asked
Feb 4, 2024
by
avibootz
php
1
answer
176
views
How to check if a number is composed of a pair of duplicate digits next to each other in PHP
asked
Jan 30, 2024
by
avibootz
php
1
answer
251
views
How to check if a number has at least one pair of duplicate digits next to each other in PHP
asked
Jan 30, 2024
by
avibootz
php
1
answer
150
views
How to check if a number and its double contain exactly the same digits in PHP
asked
Jan 30, 2024
by
avibootz
php
1
answer
216
views
How to find the consecutive prime numbers which sum of them equal to N in PHP
asked
Jan 28, 2024
by
avibootz
php
2
answers
195
views
How to print the use of different characters (letters) in a string in PHP
asked
Jan 24, 2024
by
avibootz
php
1
answer
114
views
How to check if a matrix is Toeplitz or not in PHP
asked
Jan 23, 2024
by
avibootz
php
1
answer
180
views
How to change all elements of row i and column j in a binary matrix to 0 if cell[i, j] is 0 with PHP
asked
Jan 22, 2024
by
avibootz
php
php-matrix
1
answer
112
views
How to find the k closest elements to a giving value in sorted array with PHP
asked
Jan 21, 2024
by
avibootz
php
1
answer
96
views
How to find the floor of N in a sorted array with PHP
asked
Jan 20, 2024
by
avibootz
php
1
answer
145
views
How to find the ceiling of N in a sorted array with PHP
asked
Jan 20, 2024
by
avibootz
php
1
answer
151
views
How to calculate sum of series 1 + 11 + 111 + 1111 + ... N in PHP
asked
Jan 17, 2024
by
avibootz
php
1
answer
221
views
How to calculate the series 1 2 3 6 9 18 27 54 81 162 243 ... N in PHP
asked
Jan 17, 2024
by
avibootz
php
1
answer
172
views
How to calculate the series 1 3 4 8 15 27 50 92 169 311 572 ... N in PHP
asked
Jan 16, 2024
by
avibootz
php
1
answer
93
views
How to check if the digits of a number are prime in PHP
asked
Jan 15, 2024
by
avibootz
php
1
answer
110
views
How to remove the second digit from a number in PHP
asked
Jan 13, 2024
by
avibootz
php
1
answer
108
views
How to truncate a number from left in PHP
asked
Jan 11, 2024
by
avibootz
php
1
answer
122
views
How to check whether a numbers are palindrome in base 10 and base 2 with PHP
asked
Jan 8, 2024
by
avibootz
php
1
answer
171
views
How to check if a number is curious number (sum of the factorials of each digit equal to itself) in PHP
asked
Jan 3, 2024
by
avibootz
php
1
answer
127
views
How to sum the factorials of the digits of a number in PHP
asked
Jan 2, 2024
by
avibootz
php
1
answer
114
views
How to find the most frequent word in an array of strings with PHP
asked
Jan 1, 2024
by
avibootz
php
1
answer
116
views
How to check if a number is pandigital in PHP
asked
Dec 30, 2023
by
avibootz
php
php-check-number-pandigital
check-number-pandigitaln
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