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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
41,452
questions
53,999
answers
573
users
Recent questions tagged PHP
1
answer
103
views
How to shift elements of an array to the right by one position in PHP
asked
Jun 27, 2025
by
avibootz
php
php-array
1
answer
110
views
How to check if any value in a one-dimensional array a is larger than x using array_filter in PHP
asked
Jun 25, 2025
by
avibootz
php
php-array
php-array-filter
1
answer
82
views
How to generate an n x n matrix filled with elements from 1 to N^2 in spiral order in PHP
asked
Jun 25, 2025
by
avibootz
php
php-matrix
1
answer
72
views
How to calculate the center of a rectangle in PHP
asked
Jun 22, 2025
by
avibootz
php
php-rectangle
1
answer
73
views
How to check if a point is inside a rectangle in PHP
asked
Jun 22, 2025
by
avibootz
php
php-rectangle
php-point
1
answer
102
views
How to convert byte array to hex string in PHP
asked
Jun 21, 2025
by
avibootz
php
php-array
1
answer
97
views
How to print array elements in groups of 2 with PHP
asked
Jun 21, 2025
by
avibootz
php
php-array
1
answer
74
views
How to detect if a 32-bit or 64-bit architecture in PHP
asked
Jun 20, 2025
by
avibootz
php
php-os
2
answers
69
views
How to declare a constant string in PHP
asked
Jun 19, 2025
by
avibootz
php
php-constant
2
answers
84
views
How to format an integer with zero-padding in PHP
asked
Jun 19, 2025
by
avibootz
php
php-padding
1
answer
65
views
How to find the average between RGB colors c1 and c2 in PHP
asked
Jun 18, 2025
by
avibootz
php
php-color
1
answer
56
views
How to concatenate string with integer in PHP
asked
Jun 17, 2025
by
avibootz
php
php-concatenate
1
answer
95
views
How to remove string trailing path separator in PHP
asked
Jun 16, 2025
by
avibootz
php
php-string
1
answer
82
views
How to match the first word after an expression in a string using RegEx with PHP
asked
Jun 15, 2025
by
avibootz
php
php-regex
1
answer
96
views
How to remove the trailing slashes from a string in PHP
asked
Jun 14, 2025
by
avibootz
php
php-string
1
answer
110
views
How to remove all non-ASCII characters from a string in PHP
asked
Jun 13, 2025
by
avibootz
php
php-string
php-ascii
1
answer
80
views
How to replace the characters !@#$%^*_+\= in a string using RegEx with PHP
asked
Jun 11, 2025
by
avibootz
php
php-regex
1
answer
79
views
How to implement the power function in PHP
asked
Jun 11, 2025
by
avibootz
php
php-pow
1
answer
94
views
How to group Anagrams from an array of strings in PHP
asked
Jun 9, 2025
by
avibootz
php
php-anagram
4
answers
161
views
How to declare and use enum in PHP
asked
Jun 9, 2025
by
avibootz
php
php-enum
1
answer
82
views
How to format the DateTime object as a string in PHP
asked
Jun 8, 2025
by
avibootz
php
php-date
1
answer
82
views
How to check if date1 is before date2 in PHP
asked
Jun 8, 2025
by
avibootz
php
php-date
1
answer
107
views
How to check if a string is blank (empty, null, or contains only whitespace) in PHP
asked
Jun 7, 2025
by
avibootz
php
php-string
1
answer
103
views
How to replace consecutive characters with only one using RegEx in PHP
asked
Jun 6, 2025
by
avibootz
php
php-regex
1
answer
92
views
How to get OS information on Unix-like systems with PHP
asked
Jun 6, 2025
by
avibootz
php
php-os
1
answer
137
views
How to multiply two integers represented as strings and return the result also as a string in PHP
asked
Jun 5, 2025
by
avibootz
php
php-multiply
1
answer
130
views
How to get the first missing smallest positive integer in an unsorted integer array with PHP
asked
Jun 4, 2025
by
avibootz
php
php-array
2
answers
176
views
How to determine if variable name is defined in PHP
asked
Jun 3, 2025
by
avibootz
php
php-define
1
answer
152
views
How to get the folder containing the current program in PHP
asked
Jun 3, 2025
by
avibootz
php
php-directory
1
answer
178
views
How to get the current executable name in PHP
asked
Jun 3, 2025
by
avibootz
php
1
answer
163
views
How to sort each column of a matrix with strings in PHP
asked
Jun 2, 2025
by
avibootz
php
php-matrix
php-sort
1
answer
164
views
How to fill a 3x3 grid to be a valid Sudoku grid in PHP
asked
Jun 1, 2025
by
avibootz
php
php-sudoku
1
answer
151
views
How to calculate the future occurrences of Friday the 13th in PHP
asked
May 31, 2025
by
avibootz
php
php-date
1
answer
155
views
How to check if a string contains only letters, numbers, underscores and dashes in PHP
asked
May 31, 2025
by
avibootz
php
php-regex
1
answer
146
views
How to check if a 3x3 grid is a valid Sudoku grid in PHP
asked
May 30, 2025
by
avibootz
php
php-sudoku
2
answers
190
views
How to rotate a matrix 90 degrees clockwise in PHP
asked
May 29, 2025
by
avibootz
php
php-matrix
1
answer
150
views
How to create and use an array of objects in PHP
asked
May 28, 2025
by
avibootz
php
php-array
1
answer
196
views
How to check if a matrix columns contain numbers without repetition in PHP
asked
May 28, 2025
by
avibootz
php
php-matrix
1
answer
244
views
How to move the digits of a string with digits and letters to the beginning of the string in PHP
asked
May 27, 2025
by
avibootz
php
php-string
1
answer
192
views
How to sort a string with digits and letters (digits before letters) in PHP
asked
May 27, 2025
by
avibootz
php
php-sort
php-string
1
answer
190
views
How to sort a string with digits and letters (letters before digits) in PHP
asked
May 26, 2025
by
avibootz
php
php-string
php-sort
1
answer
179
views
How to find repeated patterns of numbers in the rows of a matrix with PHP
asked
May 25, 2025
by
avibootz
php
php-matrix
1
answer
161
views
How to convert a matrix of numbers to a string in PHP
asked
May 24, 2025
by
avibootz
php
php-convert-matrix-numbers-to-string
convert-matrix-numbers-to-string
1
answer
230
views
How to find repeated rows of a matrix in PHP
asked
May 24, 2025
by
avibootz
php
php-matrix
1
answer
102
views
How to check if a matrix rows contain numbers without repetition in PHP
asked
May 23, 2025
by
avibootz
php
php-matrix
3
answers
239
views
How to pass a runnable procedure (a function) as a parameter and run it in PHP
asked
May 22, 2025
by
avibootz
php
php-function-parameter
1
answer
160
views
How to expose a read-only integer to the outside class while being writable inside a class with PHP
asked
May 21, 2025
by
avibootz
php
php-read-only
3
answers
239
views
How to handle invalid argument in PHP
asked
May 21, 2025
by
avibootz
php
php-argument
1
answer
129
views
How to allocate 1MB in PHP
asked
May 20, 2025
by
avibootz
php
php-allocation
2
answers
153
views
How to stop a program in PHP
asked
May 19, 2025
by
avibootz
php
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