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Category: php functions
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How to use parse_str()

parse_str(string $str [,array &$arr ])

 <?php

$string = 'firstVar=first&secondVar=second&thirdVar=third';

parse_str($string);

echo $firstVar; // outputs first

echo firstVar; // outputs second

echo firstVar; // outputs third

?>

The pars_str() php function converts the string variables into php variables with the same name that the string variable was . This is very useful for parameters that are passed via a URL string. Url arguments begin after the "?". Each variable is separated using the "&" character.

Author: D.Shaun Morgan

ob start

How to Use ob_start() - PHP8/12/2014bool ob_start ([ callback $output_callback [, int $chunk_size [, bool $erase ]]] )ob_start holds everything except for headers on a webpage - i.e the whole script, html, etcetera in an internal memory

str ireplace

mixed str_ireplace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] ) Str_ireplace() searches and replaces text found in php strings and variables. Str_ireplace() is used for reformatting documents on the fly, making last minute fixes, and injecting new content into

rtrim

rtrimRemoves whitespace from the right side of a stringSeetrim()ltrim()

chop

chop() PHP Functionchop() is identical to the rtrim function string rtrim(string $str[, string $charlist ])Strips characters including hex characters and hidden chars from the right most position in a string.Default strips

array rand

array_rand(array $input [, int $num_req= 1 ])ReturnsRandom keyArgumentsArgument 1 is an array. Arguments 2 is an integer that determines how many keys will be returnedThe script below uses the random function to shuffle around the array indexes in con

file get contents

file_get_contents PHP Functionfile_get_contents() streams in the content of a files that is passed to it as an argument.<?php$x = file_get_contents('testFile.txt);echo $x;

strip tags

StripTags() php function Striptags() is a php function that literally strips HTML tags out of files that are streamed in to php with a function like file_get_contents()

var dump

var_dump()var_dump() is very useful when you want to know what is inside of a php variable at certain spot in your php script.Arguments Passedvar_dump($variableToInspect)

die

The die function Die('') is a very useful php function. You can place "die anywhere in a script that want that script to terminate. It also provides a bit of feedback to help the programmer when he/she needs to figure out where the script was last executing.

addslashes

string addcslashes(string $str , string $charlist)How to use addslashes<?php$SlashedString = 'Myexample';$char_list = 'ea';$StrippedString = add

ucwords

string ucwords(string $mystring)Takes This function takes a string.Returns Converts every first letter of every word to an upper case letter.

trim

trim() - phpTrims off white spaces from the beginning and ending of strings.$text = ' test ';$text =trim($text);echo $text;//gives 'test' with the white spaces gone

substr count

How to use substr_count() int substr_count ( string $haystack , string $needle [, int $offset= 0 [, int $length ]] )substr_count ( string $haystack , string $needle [, int $offset= 0 [, int $length ]] )

strtoupper

strtoupper() - php$str = 'this string is all upper case';echo strtoupper($str); ResultTHIS STRING IS ALL UPPER CASE

strlen

strlen($string)Gives the length of string supplied arguments

stripslashes

How to use stripslashes<?php$exampleString = 'My\ex\ampl\e';$charlist = 'ea';$StrippedString = stripslashes( $exampleString);echo $StrippedString;

str word count

str_word_count() phpCounts the numbers of words found in a string.Result

parse str

How to use parse_str()parse_str(string $str [,array &$arr ]) <?php$string = 'firstVar=first&secondVar=second&thirdVar=third';parse_str($string);echo $

nl2br

nl2br() - How to convert newline characters to line breaks HTMLTo preserve the layout of characters type into a text-box and format it to display in an HTML documentnl2br() is a handy function.Simply pass into the

md5

md5() md5 is a mathematical algorithm that is commonly called the md5 digest. The md5 procedure takes alphanumeric input and performs what is known as a hash returning a 128 bit unique sequence of 32 hexadecimal digits. This technique is sometimes used for security reaso

md5 file

How to Use md5_file()php functionmd5 is a mathematical algorithm that is commonly called the md5 digest. The md5 procedure takes alphanumeric input and performs what is known as a hash returning a 128 bit unique sequence of 32 hexadecimal digits. This technique is used f

ltrim

ltrim ltrim() php functionltrim removes the leftmost entity from a string in PHP." " (ASCII 32 (0x20) - space. "\t" (ASCII 9 (0x09)) - tab. "" (ASCII 10 (0x0A) - (line feed)."\r" (ASCII 13 (0x0D))carriage return."\0" (ASCII 0 (0x00)) - Null Byte."\x0B" (ASCI

implode

how to use implode() php functionThe implode() php function is exactly the opposite of explode(). It takes an array of strings and combines them together returning one single string.$content[0]

explode

Explode()PHP FunctionUsed to read, parse and manipulate website content.Chops text into smaller pieces and places each piece into an array variable. Content Example Store

echo

php echo contentEcho is used in php scripts to output content to the screen. echo is one of the most used functions in the php language.

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