PHP Do While Loop

PHP do while loop is used to execute the code at least one time because condition is checked after executing the code. Syntax:
do{
//code to be executed 
}while(condition);
Output
<?php
$n=1; 
do{
echo "$n<br/>"; 
$n++; 
}while($n<=5); 
?>
Output 1 2 3 4 5

Related Topics

PHP substr_replace() Function

PHP substr_replace() Function The substr_replace() function in PHP replaces a part of a string with another string. Syntax substr_replace (mixed $string , mixed $replacement , mixed $start [, mixed $length ] ) Parameter string(required)- This parameter represents the input string. replacement(required)- This parameter signifies the string to replace with. start(required)-...

2 minutes read.

PHP strcasecmp() Function

PHP strcasecmp() Function The strcasecmp() function in PHP compares two strings. It is a binary-safe case-insensitive string function. Syntax strcasecmp ( string $str1 , string $str2 ) Parameter str1(required)- This parameter represents the first string. str2(required)- This parameter represents the second string. Return This function returns a value less than( <...

1 minute read.

PHP fprintf() Function

PHP fprintf() Function The fprintf() function in PHP outputs a formatted string. This function operates as printf() but accepts an array of arguments, rather than a variable number of arguments. Syntax vprintf ( string $format , array $args ) Parameter format(required)- This parameter specifies the string and how to...

4 minutes read.

PHP Variables

PHP Variable is the name of memory location used to hold the data.  In PHP, variable starts with $ symbol. Rules for PHP Variables. Variable starts with $ sign. Variable name...

2 minutes read.

PHP htmlspecialchars() Function

PHP htmlspecialchars() Function The htmlspecialchars() function in PHP converts some special predefined characters to HTML entities. The special predefined characters are as follows: & (ampersand) OR &amp;" (double quote) OR &quot;' (single quote) OR &#039;<...

2 minutes read.

PHP chunk_split() Function

PHP chunk_split() Function The chunk_split() function in PHP splits a string into a series of smaller parts. Syntax chunk_split(string,length,end) Parameter string(required)- It specifies the string to split. length(optional)- This parameter represents a number that defines the...

1 minute read.

PHP array_diff() Function

The array_diff () function in PHP compares array1 against other specified arrays and returns the values in array1 that are not present in any of the other arrays. Syntax array_diff(array$array1,array$array2[,array$...] ) Parameter array1(required)- This parameter signifies the input array to...

1 minute read.

PHP Do While Loop

PHP do while loop is used to execute the code at least one time because condition is checked after executing the code. Syntax: do{ //code to be executed  }while(condition); Output <?php $n=1;  do{ echo "$n<br/>";  $n++;  }while($n<=5);  ?> Output 1 2 3 4 5 ← Prev Next →...

1 minute read.

PHP bin2hex() Function | Convert Binary to Hexadecimal

PHP bin2hex() Function The bin2hex() function in PHP converts the specified string value of ASCII characters to hexadecimal value. Syntax bin2hex(str) Parameter str(Required): This parameter represents the string to be converted into hexadecimal. Return  This function returns...

1 minute read.

PHP convert_uudecode() Function

PHP convert_uudecode() Function The convert_uudecode() function in PHP decodes a uuencoded string. Syntax convert_uudecode ( string $data ) Parameter data- This parameter represents the uuencoded data. Return This function returns the decoded data as a string or FALSE on failure. Example 1 <?php // initializing the string $str...

1 minute read.

PHP if..Else..Elseif

PHP conditional statements are used to test the conditions. It supports different types of conditional statement. Following are the types of conditional statement if statement ..else statement ..elseif....else statement switch statement PHP if Statement PHP...

2 minutes read.

PHP substr_compare() Function

PHP substr_compare() Function The substr_compare() function in PHP compares two strings from a specified start position. It is a binary-safe and optionally case-sensitive function. Syntax substr_compare ( string $main_str , string $str , int $offset [, int $length [, bool$case_insensitivity]] )  Parameter main_str(required)- This parameter specifies the first string to compare. str(required)- This parameter...

1 minute read.

PHP usort() Function

PHP usort() Function The usort() function in PHP sorts  array by values using a user-defined comparison function. Syntax usort ( array &$array , callable $value_compare_func ) array(required)- This parameter represents the input array. value_compare_func(required)- This parameter represents a string that describe a callable comparison function. The comparison...

1 minute read.

PHP echo() Function

PHP echo() Function The echo() function in PHP outputs or displays one or more strings. The major differences between print() function and echo() function is that echo accepts an argument list and doesn't have a return value. Also, it is slightly...

1 minute read.

PHP is_iterable() Function

The is_iterable() function in PHP verifies that the contents of the specified variable is an iterable value. Syntax is_iterable ( mixed $var ) var(required)- This parameter represents the value to check. Return This function returns a Boolean value TRUE if the parameter var is iterable, else it returns...

1 minute read.

PHP unserialize() Function

PHP unserialize() Function The unserialize() function in PHP takes a single serialized variable and converts it back into a PHP value. Syntax unserialize ( string $str [, array $options ] ) Parameter value(required)- This parameter represents the serialized string. options(optional)- This parameter signifies any options to be...

1 minute read.

PHP Data Types

PHP data type is used to hold the various types of data or value.  There are three types of data types in PHP. It is a loosely data typed language, so...

2 minutes read.

PHP is_float() Function

The PHP is_float() function in PHP is used to  find whether the type of the specified variable is a float or not. It returns a Boolean value true if the parameter var is...

1 minute read.

PHP array_intersect() function

The array_intersect () function in PHP is used to compute the intersection of arrays. It returns an array containing all the entries from array1 that are present in all the other arrays. Syntax array_intersect ( array $array1 , array $array2 [, array $... ]) Parameter array1(required)- This parameter...

1 minute read.

PHP sha1() Function

PHP sha1() Function The sha1() in PHP calculates the SHA-1 hash of a string. Syntax sha1 ( string $str [, bool $raw_output = FALSE ] )  Parameter str (required)- This parameter represents the input string. raw_output(optional)- This parameter takes Boolean value and returns the digest in raw binary format...

1 minute read.