How can I use the explode function to split a string into an array with a limit in PHP? Example code:

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$string = "apple,banana,orange,grape,peach";

$fruits = explode(",", $string, 3);

print_r($fruits);

How can I read a file in PHP? Example code:

How can I use the file_get_contents function to read the contents of a file into a string in PHP? Example code:

How can I use the array_keys function to get an array of keys from an associative array in PHP? Example code:

How can I loop through an array in PHP? Example code

How can I use an if-else statement in PHP? Example code:

How can I send an email using PHP? Example code

How can I use the glob function to get a list of files that match a pattern in PHP? Example code:

How can I use the implode function to join an array into a string with a separator in PHP? Example code:

How can I use the array_reverse function to reverse the order of an array in PHP? Example code:

How can I use the array_intersect function to get the common elements between two or more arrays in PHP? Example code:

How can I use the array_walk function to apply a function to each element of an array in PHP? Example code:

How can I use a do-while loop in PHP? Example code:

How can I trim whitespace from the beginning and end of a string in PHP? Example code:

How can I sort an array in descending order in PHP? Example code:

How can I calculate the difference between two dates in PHP? Example code:

How can I write to a CSV file in PHP? Example code:

How can I use the array_pop function to remove the last element from an array in PHP? Example code:

How can I use the array_unique function to remove duplicate elements from an array in PHP? Example code:

How can I use a foreach loop in PHP? Example code:

How can I use the array_filter function to filter an array based on a condition in PHP? Example code:

How can I replace a substring in a string in PHP? Example code:

How can I redirect to another page in PHP? Example code:

How can I sort an array in PHP? Example code:

How can I check if a string contains a certain substring in PHP? Example code:

How can I use the implode function to join an array into a string in PHP? Example code:

How can I format a date in PHP? Example code:

How can I use an elseif statement in PHP? Example code:

How can I use a for loop in PHP? Example code:

How can I use the explode function to split a string into an array in PHP? Example code:

How can I use the fopen and fgets functions to read a file line by line in PHP? Example code: