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PHP QuotaHow to Return User Quota With PHP in LinuxThis tutorial teaches how to return user Quota with PHP in Linux OS. PHP DateHow to Get the Current Date and Time in PHPThis article introduces how to get the current date and time in PHP. It includes date() function, time() function, date_default_timezone_set() function, format() function and setTimezone() function. PHP FileHow to Write Into a File in PHPThis article introduces how to write into a file in PHP. It includes file_put_contents() function, fopen() function, fwrite() function and fclose() function. PHP StringHow to Check if a String Starts With a Specified String in PHPThis article introduces how to check if a string starts with a specified string in PHP. It includes substr() function, strpos() function and strncmp() function PHP cURLHow to Use cURL to Get JSON Data and Decode JSON Data in PHPThis article introduces how to use cURL to get JSON data and decode JSON data in PHP. It includes curl_init() function, curl_setopt() function, curl_exec() function and curl_close() function. PHP JSONHow to Parse a JSON File in PHPThis article introduces how to parse a JSON file in PHP. It includes file_get_contents() function. PHP DateHow to Convert One Date Format to Another in PHPThis article introduces how to convert one date format to another in PHP. It includes date() function, strtotime() function, createFromFormat() function and format() function. PHP NumberHow to Show a Number to Two Decimal Places in PHPThis article introduces how to show a number to two decimal places in PHP. It includes number_format() function, round() function and sprintf() function PHP ArrayHow to Remove Empty Array Elements in PHPThis article introduces how to remove empty array elements in PHP. It includes array_filter() function, array_diff() function and unset() function. PHP ArrayHow to Delete an Element From an Array in PHPThis article introduces how to delete an element from an array in PHP. It includes unset() function, array_splice() function and array_diff() function PHP DateTimeHow to Convert a Date to a Timestamp in PHPThis article introduces how to convert a date to a timestamp in PHP. It includes strtotime() function, strptime() function, getTimestamp() function and format() function. PHP DateTimeHow to Get the Current Year in PHPThis article introduces how to get the current year in PHP, for example, date() function, strftime() function and by using the DateTime object. PHP CharHow to Get the Last Character of a String in PHPThis article introduces how to get the last char of a string in PHP. It includes substr() function, direct string access method and for loop method. PHP ForeachHow to Find the Foreach Index in PHPThis article introduces how to find the foreach index in PHP. PHP DateHow to Convert DateTime to String in PHPDifferent ways of converting DateTime to string using PHP functions, like Using format() of DateTime class, using date_format() method. PHP DateHow to Calculate the Difference Between Two Dates Using PHPCalculating the differences between two dates using PHP version less than 5.3 and more than 5.3 PHP DirectoryHow to Create a Folder if It Doesn't Exist in PHPThis article introduces how to create a new folder programmatically in PHP if it doesn't exist. PHP LoopHow to Determine the First and Last Iteration in a Foreach Loop in PHPDifferent ways of getting the first and last item in a foreach() loop using different versions of PHP, including counter in all PHP versions and array_key_first() and array_key_last() from PHP 7.3 PHP FunctionHow to Properly Format a Number With Leading Zeros in PHPDifferent ways of formatting a number with leading zeros using several functions in PHP. PHP FunctionHow to Create a PHP Function With Multiple ReturnsPossibility of having multiple returns in a PHP function using several approaches PHP StringHow to Remove All Spaces Out of a String in PHPThis article introduces how to strip all spaces out of a string in PHP. It includes str_replace() function and preg_replace() function. PHP SoapExamples on Using the SoapClient in PHPIn this article, we present six examples that show you how to work with WSDL files using PHP SoapClient. Before that, we'll explain how you can get the function and types from a web service. This is a must if you want to use the web service. PHP WarningPHP Warning Invalid Argument Supplied for foreach()This tutorial demonstrates how to fix the PHP warning invalid argument supplied for foreach(). PHP OperatorQuestion Mark Symbol in PHPThis tutorial introduces the question mark ternary operator and discuss its use in PHP.