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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
40,937
questions
53,400
answers
573
users
Recent questions tagged php
1
answer
125
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
155
views
How to determine if variable name is defined in PHP
asked
Jun 3, 2025
by
avibootz
php
php-define
1
answer
135
views
How to get the folder containing the current program in PHP
asked
Jun 3, 2025
by
avibootz
php
php-directory
1
answer
165
views
How to get the current executable name in PHP
asked
Jun 3, 2025
by
avibootz
php
1
answer
147
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
100
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
137
views
How to calculate the future occurrences of Friday the 13th in PHP
asked
May 31, 2025
by
avibootz
php
php-date
1
answer
135
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
125
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
171
views
How to rotate a matrix 90 degrees clockwise in PHP
asked
May 29, 2025
by
avibootz
php
php-matrix
1
answer
136
views
How to create and use an array of objects in PHP
asked
May 28, 2025
by
avibootz
php
php-array
1
answer
169
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
215
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
174
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
171
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
163
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
150
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
211
views
How to find repeated rows of a matrix in PHP
asked
May 24, 2025
by
avibootz
php
php-matrix
1
answer
93
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
212
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
141
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
221
views
How to handle invalid argument in PHP
asked
May 21, 2025
by
avibootz
php
php-argument
1
answer
116
views
How to allocate 1MB in PHP
asked
May 20, 2025
by
avibootz
php
php-allocation
2
answers
134
views
How to stop a program in PHP
asked
May 19, 2025
by
avibootz
php
1
answer
141
views
How to check if integer multiplication will overflow in PHP
asked
May 18, 2025
by
avibootz
php
php-overflow
1
answer
119
views
How to check if integer addition will overflow in PHP
asked
May 17, 2025
by
avibootz
php
php-overflow
1
answer
157
views
How to check whether a string is a palindrome, ignoring spaces and case in PHP
asked
May 16, 2025
by
avibootz
php
php-palindrome
1
answer
146
views
How to declare a RegEx with character repetition to match the strings "http", "htttp", "httttp", etc in PHP
asked
May 15, 2025
by
avibootz
php
php-regex
3
answers
185
views
How to round to 2 decimal places in PHP
asked
May 15, 2025
by
avibootz
php
php-round
1
answer
137
views
How to round a floating-point number to an integer in PHP
asked
May 14, 2025
by
avibootz
php
php-round
3
answers
274
views
How to combine a string with a dynamic double-quoted substring in PHP
asked
May 12, 2025
by
avibootz
php
php-string
php-substring
1
answer
177
views
How to find all double quote substrings in a string with PHP
asked
May 12, 2025
by
avibootz
php
php-string
php-substring
php-regex
1
answer
166
views
How to declare a string with double quote substrings in PHP
asked
May 12, 2025
by
avibootz
php
php-string
php-substring
1
answer
76
views
How to find the largest palindrome made from the product of two 2-digit numbers in PHP
asked
May 11, 2025
by
avibootz
php
php-palindrome
2
answers
185
views
How to search insert position of K in a sorted array with PHP
asked
May 10, 2025
by
avibootz
php
php-array
1
answer
148
views
How to print all command line arguments except the program name in PHP
asked
May 9, 2025
by
avibootz
php
php-arguments
1
answer
131
views
How to use the clock as a random generator seed in PHP
asked
May 8, 2025
by
avibootz
php
php-random
1
answer
138
views
How to create a bitset in PHP
asked
May 7, 2025
by
avibootz
php
php-bitset
1
answer
115
views
How to remove a random word from a string in PHP
asked
May 5, 2025
by
avibootz
php
php-string
2
answers
198
views
How to join an array of strings into a string in PHP
asked
May 4, 2025
by
avibootz
php
php-array
1
answer
191
views
How to convert a URL inside a string to a hyperlink in PHP
asked
May 2, 2025
by
avibootz
php
php-string
1
answer
212
views
How to pop the first element of an array in PHP
asked
May 2, 2025
by
avibootz
php
php-array
1
answer
125
views
How to pause execution for 5 seconds in PHP
asked
Apr 30, 2025
by
avibootz
php
1
answer
121
views
How to break the outer loop in PHP
asked
Apr 28, 2025
by
avibootz
php
php-loop
1
answer
187
views
How to pop the first element of an array in PHP
asked
Apr 27, 2025
by
avibootz
php
php-array
1
answer
129
views
How to check if an integer include specific digits x times in PHP
asked
Apr 26, 2025
by
avibootz
php
php-integer
1
answer
92
views
How to use fscanf() inside a while loop in PHP
asked
Apr 26, 2025
by
avibootz
php
php-loop
1
answer
148
views
How to continue outer loop in PHP
asked
Apr 24, 2025
by
avibootz
php
php-loop
3
answers
253
views
How to find the second largest number in array in PHP
asked
Apr 22, 2025
by
avibootz
php
php-array
1
answer
107
views
How to create and set values to a 3d array in PHP
asked
Apr 21, 2025
by
avibootz
php
php-array
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