How to run PHP code in XAMPP.docx (1).pdf
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Jan 21, 2025
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About This Presentation
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HowtorunPHPcodeinXAMPP
Generally,aPHPfilecontainsHTMLtagsandsomePHPscriptingcode.Itisveryeasyto
createasimplePHPexample.Todoso,createafileandwriteHTMLtags+PHPcodeand
savethisfilewith.phpextension.
Note:PHPstatementsendswithsemicolon(;).
AllPHPcodegoesbetweenthephptag.Itstartswith<?phpandendswith?>.Thesyntaxof
PHPtagisgivenbelow:
<?php
//your code here
?>
Let'sseeasimplePHPexamplewherewearewritingsometextusingPHPechocommand.
<!DOCTYPE>
<html>
<body>
<?php
echo " <h2>Hello First PHP </h2>";
?>
</body>
</html>
HowtorunPHPprogramsinXAMPP
HowtorunPHPprogramsinXAMPPPHPisapopularbackendprogramminglanguage.
PHPprogramscanbewrittenonanyeditor,suchas-Notepad,Notepad++,Dreamweaver,
etc.Theseprogramssavewith .php extension,i.e.,filename.phpinsidethehtdocsfolder.
Forexample -p1.php.
AsI'musingwindow,andmyXAMPPserverisinstalledinDdrive.So,thepathforthe
htdocsdirectorywillbe"D:\xampp\htdocs".
PHPprogramrunsonawebbrowsersuchas-Chrome,InternetExplorer,Firefox,etc.Below
somestepsaregiventorunthePHPprograms.
Step1: CreateasimplePHPprogramlikehelloworld.
<?php
echo "Hello World!";
?>
Step2: Savethefilewith hello.php nameinthehtdocsfolder,whichresidesinsidethe
xamppfolder.
Step3: RuntheXAMPPserverandstarttheApacheandMySQL.
Generally,aPHPfilecontainsHTMLtagsandsomePHPscriptingcode.Itisveryeasyto
createasimplePHPexample.Todoso,createafileandwriteHTMLtags+PHPcodeand
savethisfilewith.phpextension.
Note:PHPstatementsendswithsemicolon(;).
AllPHPcodegoesbetweenthephptag.Itstartswith<?phpandendswith?>.Thesyntaxof
PHPtagisgivenbelow:
<?php
//your code here
?>
Let'sseeasimplePHPexamplewherewearewritingsometextusingPHPechocommand.
<!DOCTYPE>
<html>
<body>
<?php
echo " <h2>Hello First PHP </h2>";
?>
</body>
</html>
HowtorunPHPprogramsinXAMPP
HowtorunPHPprogramsinXAMPPPHPisapopularbackendprogramminglanguage.
PHPprogramscanbewrittenonanyeditor,suchas-Notepad,Notepad++,Dreamweaver,
etc.Theseprogramssavewith .php extension,i.e.,filename.phpinsidethehtdocsfolder.
Forexample -p1.php.
AsI'musingwindow,andmyXAMPPserverisinstalledinDdrive.So,thepathforthe
htdocsdirectorywillbe"D:\xampp\htdocs".
PHPprogramrunsonawebbrowsersuchas-Chrome,InternetExplorer,Firefox,etc.Below
somestepsaregiventorunthePHPprograms.
Step1: CreateasimplePHPprogramlikehelloworld.
<?php
echo "Hello World!";
?>
Step2: Savethefilewith hello.php nameinthehtdocsfolder,whichresidesinsidethe
xamppfolder.
Step3: RuntheXAMPPserverandstarttheApacheandMySQL.
Step4: Now,openthewebbrowserandtypelocalhost http://localhost/hello.php onyour
browserwindow.
Step5: Theoutputfortheabove hello.php programwillbeshownasthescreenshotbelow:
PHPCaseSensitivity
InPHP,keyword(e.g.,echo,if,else,while),functions,user-definedfunctions,classesarenot
case-sensitive.However,allvariablenamesarecase-sensitive.
Inthebelowexample,youcanseethatallthreeechostatementsareequalandvalid:
<!DOCTYPE>
<html>
<body>
<?php
echo "Hello world using echo </br>";
ECHO "Hello world using ECHO </br>";
EcHo "Hello world using EcHo </br>";
?>
</body>
</html>
Lookatthebelowexamplethatthevariablenamesarecasesensitive.Youcanseethe
examplebelowthatonlythesecondstatementwilldisplaythevalueofthe$color
variable.Becauseittreats$color,$ColoR,and$COLORasthreedifferentvariables:
<html>
<body>
<?php
$color = "black";
echo "My car is ". $ColoR ." </br>";
echo "My dog is ". $color ." </br>";
echo "My Phone is ". $COLOR ." </br>";
?>
</body>
</html>
browserwindow.
Step5: Theoutputfortheabove hello.php programwillbeshownasthescreenshotbelow:
PHPCaseSensitivity
InPHP,keyword(e.g.,echo,if,else,while),functions,user-definedfunctions,classesarenot
case-sensitive.However,allvariablenamesarecase-sensitive.
Inthebelowexample,youcanseethatallthreeechostatementsareequalandvalid:
<!DOCTYPE>
<html>
<body>
<?php
echo "Hello world using echo </br>";
ECHO "Hello world using ECHO </br>";
EcHo "Hello world using EcHo </br>";
?>
</body>
</html>
Lookatthebelowexamplethatthevariablenamesarecasesensitive.Youcanseethe
examplebelowthatonlythesecondstatementwilldisplaythevalueofthe$color
variable.Becauseittreats$color,$ColoR,and$COLORasthreedifferentvariables:
<html>
<body>
<?php
$color = "black";
echo "My car is ". $ColoR ." </br>";
echo "My dog is ". $color ." </br>";
echo "My Phone is ". $COLOR ." </br>";
?>
</body>
</html>
PHPEcho
PHPechoisalanguageconstruct,notafunction.Therefore,youdon'tneedtouseparenthesis
withit.Butifyouwanttousemorethanoneparameter,itisrequiredtouseparenthesis.
ThesyntaxofPHPechoisgivenbelow:
void echo (string $ar g1 [, string $... ] )
PHPechostatementcanbeusedtoprintthestring,multi-linestrings,escapingcharacters,
variable,array,etc.Someimportantpointsthatyoumustknowabouttheechostatementare:
oechoisastatement,whichisusedtodisplaytheoutput.
oechocanbeusedwithorwithoutparentheses:echo(),andecho.
oechodoesnotreturnanyvalue.
oWecanpassmultiplestringsseparatedbyacomma(,)inecho.
oechoisfasterthantheprintstatement.
PHPecho:printingstring
<?php
echo "Hello by PHP echo";
?>
PHPecho:printingmultilinestring
<?php
echo "Hello by PHP echo
this is multi line
text printed by
PHP echo statement
";
?>
PHPecho:printingescapingcharacters
<?php
echo "Hello escape \"sequence\" characters";
?>
PHPecho:printingvariablevalue
<?php
$msg="Hello JavaTpoint PHP";
echo "Message is: $msg";
?>
PHPechoisalanguageconstruct,notafunction.Therefore,youdon'tneedtouseparenthesis
withit.Butifyouwanttousemorethanoneparameter,itisrequiredtouseparenthesis.
ThesyntaxofPHPechoisgivenbelow:
void echo (string $ar g1 [, string $... ] )
PHPechostatementcanbeusedtoprintthestring,multi-linestrings,escapingcharacters,
variable,array,etc.Someimportantpointsthatyoumustknowabouttheechostatementare:
oechoisastatement,whichisusedtodisplaytheoutput.
oechocanbeusedwithorwithoutparentheses:echo(),andecho.
oechodoesnotreturnanyvalue.
oWecanpassmultiplestringsseparatedbyacomma(,)inecho.
oechoisfasterthantheprintstatement.
PHPecho:printingstring
<?php
echo "Hello by PHP echo";
?>
PHPecho:printingmultilinestring
<?php
echo "Hello by PHP echo
this is multi line
text printed by
PHP echo statement
";
?>
PHPecho:printingescapingcharacters
<?php
echo "Hello escape \"sequence\" characters";
?>
PHPecho:printingvariablevalue
<?php
$msg="Hello JavaTpoint PHP";
echo "Message is: $msg";
?>
PHPVariable:Declaringstring,integer,andfloat
<?php
$str="hello string";
$x=200;
$y=44.6;
echo "string is: $str <br/>";
echo "integer is: $x <br/>";
echo "float is: $y <br/>";
?>
ODDorEVEN
<?php
$number=12;
if($number%2==0)
{
echo"$numberisEvenNumber";
}
else
{
echo"$numberisOddNumber";
}
?>
AddingTwoNumbers
<?php
$x=15;
$y=30;
$z=$x+$y;
echo "Sum: ",$z;
?>
SumofDigits
Tofindsumofdigitsofanumberjustaddallthedigits.
Forexample,
14597 = 1 + 4 + 5 + 9 + 7
<?php
$str="hello string";
$x=200;
$y=44.6;
echo "string is: $str <br/>";
echo "integer is: $x <br/>";
echo "float is: $y <br/>";
?>
ODDorEVEN
<?php
$number=12;
if($number%2==0)
{
echo"$numberisEvenNumber";
}
else
{
echo"$numberisOddNumber";
}
?>
AddingTwoNumbers
<?php
$x=15;
$y=30;
$z=$x+$y;
echo "Sum: ",$z;
?>
SumofDigits
Tofindsumofdigitsofanumberjustaddallthedigits.
Forexample,
14597 = 1 + 4 + 5 + 9 + 7
14597 = 26
Logic:
oTakethenumber.
oDividethenumberby10.
oAddtheremaindertoavariable.
oRepeattheprocessuntilremainderis0.
Example:
<?php
$num = 14597;
$sum=0; $rem=0;
for ($i =0; $i<=strlen($num);$i++)
{
$rem=$num%10;
$sum = $sum + $rem;
$num=$num/10;
}
echo "Sum of digits 14597 is $sum";
?>
TableofNumber
Atableofanumbercanbeprintedusingaloopinprogram.
Logic:
oDefinethenumber.
oRunforloop.
oMultiplythenumberwithforloopoutput.
Example:
<?php
define('a', 7);
for($i=1; $i<=10; $i++)
{
echo $i*a;
echo '<br>';
}
?>
FactorialProgram
Logic:
oTakethenumber.
oDividethenumberby10.
oAddtheremaindertoavariable.
oRepeattheprocessuntilremainderis0.
Example:
<?php
$num = 14597;
$sum=0; $rem=0;
for ($i =0; $i<=strlen($num);$i++)
{
$rem=$num%10;
$sum = $sum + $rem;
$num=$num/10;
}
echo "Sum of digits 14597 is $sum";
?>
TableofNumber
Atableofanumbercanbeprintedusingaloopinprogram.
Logic:
oDefinethenumber.
oRunforloop.
oMultiplythenumberwithforloopoutput.
Example:
<?php
define('a', 7);
for($i=1; $i<=10; $i++)
{
echo $i*a;
echo '<br>';
}
?>
FactorialProgram
Thefactorialofanumbernisdefinedbytheproductofallthedigitsfrom1ton
(including1andn).
Forexample,
4! = 4*3*2*1 = 24
6! = 6*5*4*3*2*1 = 720
Note:
oItisdenotedbyn!andiscalculatedonlyforpositiveintegers.
oFactorialof0isalways1.
Thesimplestwaytofindthefactorialofanumberisbyusingaloop.
TherearetwowaystofindfactorialinPHP:
oUsingloop
oUsingrecursivemethod
Logic:
oTakeanumber.
oTakethedescendingpositiveintegers.
oMultiplythem.
Example:
<?php
$num = 4;
$factorial = 1;
for ($x=$num; $x>=1; $x--)
{
$factorial = $factorial * $x;
}
echo "Factorial of $num is $factorial";
?>
FactorialusingRecursioninPHP
Factorialof6usingrecursionmethodisshown.
Example:
<?php
function fact ($n)
{
if($n <= 1)
{
return 1;
(including1andn).
Forexample,
4! = 4*3*2*1 = 24
6! = 6*5*4*3*2*1 = 720
Note:
oItisdenotedbyn!andiscalculatedonlyforpositiveintegers.
oFactorialof0isalways1.
Thesimplestwaytofindthefactorialofanumberisbyusingaloop.
TherearetwowaystofindfactorialinPHP:
oUsingloop
oUsingrecursivemethod
Logic:
oTakeanumber.
oTakethedescendingpositiveintegers.
oMultiplythem.
Example:
<?php
$num = 4;
$factorial = 1;
for ($x=$num; $x>=1; $x--)
{
$factorial = $factorial * $x;
}
echo "Factorial of $num is $factorial";
?>
FactorialusingRecursioninPHP
Factorialof6usingrecursionmethodisshown.
Example:
<?php
function fact ($n)
{
if($n <= 1)
{
return 1;
}
else
{
return $n * fact($n - 1);
}
}
echo "Factorial of 6 is " .fact(6);
?>
ArmstrongNumber
AnArmstrongnumberistheonewhosevalueisequaltothesumofthecubesofits
digits.
0,1,153,371,407,471,etcareArmstrongnumbers.
Forexample,
407 = (4*4*4) + (0*0*0) + (7*7*7)
= 64 + 0 + 343
407 = 407
Logic:
oTakethenumber.
oStoreitinavariable.
oTakeavariableforsum.
oDividethenumberwith10untilquotientis0.
oCubetheremainder.
oComparesumvariableandnumbervariable.
ArmstrongnumberinPHP
Belowprogramcheckswhether407isArmstrongornot.
Example:
<?php
$num=407;
$total=0;
$x=$num;
while($x!=0)
{
$rem=$x%10;
$total=$total+$rem*$rem*$rem;
else
{
return $n * fact($n - 1);
}
}
echo "Factorial of 6 is " .fact(6);
?>
ArmstrongNumber
AnArmstrongnumberistheonewhosevalueisequaltothesumofthecubesofits
digits.
0,1,153,371,407,471,etcareArmstrongnumbers.
Forexample,
407 = (4*4*4) + (0*0*0) + (7*7*7)
= 64 + 0 + 343
407 = 407
Logic:
oTakethenumber.
oStoreitinavariable.
oTakeavariableforsum.
oDividethenumberwith10untilquotientis0.
oCubetheremainder.
oComparesumvariableandnumbervariable.
ArmstrongnumberinPHP
Belowprogramcheckswhether407isArmstrongornot.
Example:
<?php
$num=407;
$total=0;
$x=$num;
while($x!=0)
{
$rem=$x%10;
$total=$total+$rem*$rem*$rem;
$x=$x/10;
}
if($num==$total)
{
echo "Y es it is an Armstrong number";
}
else
{
echo "No it is not an armstrong number";
}
?>
FibonacciSeries
Fibonacciseriesistheoneinwhichyouwillgetyournexttermbyaddingprevious
twonumbers.
Forexample,
0 1 1 2 3 5 8 13 21 34
Here, 0 + 1 = 1
1 + 1 = 2
3 + 2 = 5
andsoon.
Logic:
oInitializingfirstandsecondnumberas0and1.
oPrintfirstandsecondnumber.
oFromnextnumber,startyourloop.Sothirdnumberwillbethesumofthefirsttwo
numbers.
Example:
<?php
$num = 0;
$n1 = 0;
$n2 = 1;
echo "<h3>Fibonacci series for first 12 numbers: </h3>";
echo "\n";
echo $n1.' '.$n2.' ';
while ($num < 10 )
}
if($num==$total)
{
echo "Y es it is an Armstrong number";
}
else
{
echo "No it is not an armstrong number";
}
?>
FibonacciSeries
Fibonacciseriesistheoneinwhichyouwillgetyournexttermbyaddingprevious
twonumbers.
Forexample,
0 1 1 2 3 5 8 13 21 34
Here, 0 + 1 = 1
1 + 1 = 2
3 + 2 = 5
andsoon.
Logic:
oInitializingfirstandsecondnumberas0and1.
oPrintfirstandsecondnumber.
oFromnextnumber,startyourloop.Sothirdnumberwillbethesumofthefirsttwo
numbers.
Example:
<?php
$num = 0;
$n1 = 0;
$n2 = 1;
echo "<h3>Fibonacci series for first 12 numbers: </h3>";
echo "\n";
echo $n1.' '.$n2.' ';
while ($num < 10 )
{
$n3 = $n2 + $n1;
echo $n3.' ';
$n1 = $n2;
$n2 = $n3;
$num = $num + 1;
?>
FibonacciseriesusingRecursivefunction
Recursionisaphenomenoninwhichtherecursionfunctioncallsitselfuntilthebase
conditionisreached.
<?php
/* Print fiboancci series upto 12 elements. */
$num = 12;
echo "<h3>Fibonacci series using recursive function:</h3>";
echo "\n";
/* Recursive function for fibonacci series. */
function series($num){
if($num == 0){
return 0;
}else if( $num == 1){
return 1;
} else {
return (series($num-1) + series($num-2));
}
}
/* Call Function. */
for ($i = 0; $i < $num; $i++){
echo series($i);
echo "\n";
}
Reversenumber
Anumbercanbewritteninreverseorder.
Forexample
12345=54321
Logic:
$n3 = $n2 + $n1;
echo $n3.' ';
$n1 = $n2;
$n2 = $n3;
$num = $num + 1;
?>
FibonacciseriesusingRecursivefunction
Recursionisaphenomenoninwhichtherecursionfunctioncallsitselfuntilthebase
conditionisreached.
<?php
/* Print fiboancci series upto 12 elements. */
$num = 12;
echo "<h3>Fibonacci series using recursive function:</h3>";
echo "\n";
/* Recursive function for fibonacci series. */
function series($num){
if($num == 0){
return 0;
}else if( $num == 1){
return 1;
} else {
return (series($num-1) + series($num-2));
}
}
/* Call Function. */
for ($i = 0; $i < $num; $i++){
echo series($i);
echo "\n";
}
Reversenumber
Anumbercanbewritteninreverseorder.
Forexample
12345=54321
Logic:
oDeclareavariabletostorereversenumberandinitializeitwith0.
oMultiplythereversenumberby10,addtheremainderwhichcomesafterdividingthe
numberby10.
ReversingNumberinPHP
Example:
Belowprogremshowsdigitsreversalof23456.
<?php
$num = 23456;
$revnum = 0;
while ($num > 1)
{
$rem = $num % 10;
$revnum = ($revnum * 10) + $rem;
$num = ($num / 10);
}
echo "Reverse number of 23456 is: $revnum";
?>
ReverseString
Astringcanbereversedeitherusingstrrev()functionorsimplePHPcode.
Forexample,onreversingJAVATPOINTitwillbecomeTNIOPTAVAJ.
Logic:
oAssignthestringtoavariable.
oCalculatelengthofthestring.
oDeclarevariabletoholdreversestring.
oRunforloop.
oConcatenatestringinsideforloop.
oDisplayreversedstring.
ReverseStringusingstrrev()function
Areversestringprogramusingstrrev()functionisshown.
Example:
<?php
$string = "JA VATPOINT";
echo "Reverse string of $string is " .strrev ( $string );
oMultiplythereversenumberby10,addtheremainderwhichcomesafterdividingthe
numberby10.
ReversingNumberinPHP
Example:
Belowprogremshowsdigitsreversalof23456.
<?php
$num = 23456;
$revnum = 0;
while ($num > 1)
{
$rem = $num % 10;
$revnum = ($revnum * 10) + $rem;
$num = ($num / 10);
}
echo "Reverse number of 23456 is: $revnum";
?>
ReverseString
Astringcanbereversedeitherusingstrrev()functionorsimplePHPcode.
Forexample,onreversingJAVATPOINTitwillbecomeTNIOPTAVAJ.
Logic:
oAssignthestringtoavariable.
oCalculatelengthofthestring.
oDeclarevariabletoholdreversestring.
oRunforloop.
oConcatenatestringinsideforloop.
oDisplayreversedstring.
ReverseStringusingstrrev()function
Areversestringprogramusingstrrev()functionisshown.
Example:
<?php
$string = "JA VATPOINT";
echo "Reverse string of $string is " .strrev ( $string );
?>
Swappingtwonumbers
Twonumberscanbeswappedorinterchanged.Itmeansfirstnumberwillbecome
secondandsecondnumberwillbecomefirst.
Forexample
a = 20, b = 30
After swapping,
a = 30, b = 20
Therearetwomethodsforswapping:
oByusingthirdvariable.
oWithoutusingthirdvariable.
SwappingUsingThirdVariable
Swaptwonumbers45and78usingathirdvariable.
Example:
<?php
$a = 45;
$b = 78;
// Swapping Logic
$third = $a;
$a = $b;
$b = $third;
echo "After swapping:<br><br>";
echo "a =".$a." b=".$b;
?>
SwappingWithoutusingThirdVariable
Swaptwonumberswithoutusingathirdvariableisdoneintwoways:
oUsingarithmeticoperation+and?
oUsingarithmeticoperation*and/
Examplefor(+and-):
<?php
$a=234;
$b=345;
//using arithmetic operation
Swappingtwonumbers
Twonumberscanbeswappedorinterchanged.Itmeansfirstnumberwillbecome
secondandsecondnumberwillbecomefirst.
Forexample
a = 20, b = 30
After swapping,
a = 30, b = 20
Therearetwomethodsforswapping:
oByusingthirdvariable.
oWithoutusingthirdvariable.
SwappingUsingThirdVariable
Swaptwonumbers45and78usingathirdvariable.
Example:
<?php
$a = 45;
$b = 78;
// Swapping Logic
$third = $a;
$a = $b;
$b = $third;
echo "After swapping:<br><br>";
echo "a =".$a." b=".$b;
?>
SwappingWithoutusingThirdVariable
Swaptwonumberswithoutusingathirdvariableisdoneintwoways:
oUsingarithmeticoperation+and?
oUsingarithmeticoperation*and/
Examplefor(+and-):
<?php
$a=234;
$b=345;
//using arithmetic operation
$a=$a+$b;
$b=$a-$b;
$a=$a-$b;
echo "V alue of a: $a</br>";
echo "V alue of b: $b</br>";
?>
AreaofTriangle
AreaofatriangleiscalculatedbythefollowingMathematicalformula,
(base * height) / 2 = Area
AreaofTriangleinPHP
Programtocalculateareaoftrianglewithbaseas10andheightas15isshown.
Example:
<?php
$base = 10;
$height = 15;
echo "area with base $base and height $height= " . ($base * $height) / 2;
?>
AreaofaRectangle
Areaofarectangleiscalculatedbythemathematicalformula,
1.Length ∗ Breadth = Area
Logic:
oTaketwovariables.
oMultiplybothofthem.
AreaofRectangleinPHP
Programtocalculateareaofrectanglewithlengthas14andwidthas12isshown.
Example:
Advertisement
<?php
$length = 14;
$width = 12;
echo "area of rectangle is $length * $width= " . ($length * $width) . "<br />";
?>
LeapYearProgram
Aleapyearistheonewhichhas366daysinayear.Aleapyearcomesafterevery
fouryears.Hencealeapyearisalwaysamultipleoffour.
$b=$a-$b;
$a=$a-$b;
echo "V alue of a: $a</br>";
echo "V alue of b: $b</br>";
?>
AreaofTriangle
AreaofatriangleiscalculatedbythefollowingMathematicalformula,
(base * height) / 2 = Area
AreaofTriangleinPHP
Programtocalculateareaoftrianglewithbaseas10andheightas15isshown.
Example:
<?php
$base = 10;
$height = 15;
echo "area with base $base and height $height= " . ($base * $height) / 2;
?>
AreaofaRectangle
Areaofarectangleiscalculatedbythemathematicalformula,
1.Length ∗ Breadth = Area
Logic:
oTaketwovariables.
oMultiplybothofthem.
AreaofRectangleinPHP
Programtocalculateareaofrectanglewithlengthas14andwidthas12isshown.
Example:
Advertisement
<?php
$length = 14;
$width = 12;
echo "area of rectangle is $length * $width= " . ($length * $width) . "<br />";
?>
LeapYearProgram
Aleapyearistheonewhichhas366daysinayear.Aleapyearcomesafterevery
fouryears.Hencealeapyearisalwaysamultipleoffour.
Forexample,2016,2020,2024,etcareleapyears.
LeapYearProgram
Thisprogramstateswhetherayearisleapyearornotfromthespecifiedrangeof
years(1991-2016).
Example:
<?php
function isLeap($year)
{
return (date('L', mktime(0, 0, 0, 1, 1, $year))==1);
}
//For testing
for($year=1991; $year<2016; $year++)
{
If (isLeap($year))
{
echo "$year : LEAP YEAR<br />\n";
}
else
{
echo "$year : Not leap year<br />\n";
}
}
?>
AlphabetTrianglePattern
Somedifferentalphabettrianglepatternsusingrange()functioninPHPareshown
below.
<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){
for($j=5; $j>$i; $j--){
echo $alpha[$i];
}
echo "<br>";
}
?>
LeapYearProgram
Thisprogramstateswhetherayearisleapyearornotfromthespecifiedrangeof
years(1991-2016).
Example:
<?php
function isLeap($year)
{
return (date('L', mktime(0, 0, 0, 1, 1, $year))==1);
}
//For testing
for($year=1991; $year<2016; $year++)
{
If (isLeap($year))
{
echo "$year : LEAP YEAR<br />\n";
}
else
{
echo "$year : Not leap year<br />\n";
}
}
?>
AlphabetTrianglePattern
Somedifferentalphabettrianglepatternsusingrange()functioninPHPareshown
below.
<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){
for($j=5; $j>$i; $j--){
echo $alpha[$i];
}
echo "<br>";
}
?>
StarTriangle
ThestartriangleinPHPismadeusingforandforeachloop.Therearealotofstar
patterns.We'llshowsomeofthemhere.
Pattern1
<?php
for($i=0;$i<=5;$i++){
for($j=5-$i;$j>=1;$j--){
echo "* ";
}
echo "<br>";
}
?>
Output:
Pattern2
<?php
for($i=0;$i<=5;$i++){
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
?>
Output:
ThestartriangleinPHPismadeusingforandforeachloop.Therearealotofstar
patterns.We'llshowsomeofthemhere.
Pattern1
<?php
for($i=0;$i<=5;$i++){
for($j=5-$i;$j>=1;$j--){
echo "* ";
}
echo "<br>";
}
?>
Output:
Pattern2
<?php
for($i=0;$i<=5;$i++){
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
?>
Output:
Pattern3
<?php
for($i=0;$i<=5;$i++){
for($k=5;$k>=$i;$k--){
echo " ";
}
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
for($i=4;$i>=1;$i--){
for($k=5;$k>=$i;$k--){
echo " ";
}
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
?>
Output:
<?php
for($i=0;$i<=5;$i++){
for($k=5;$k>=$i;$k--){
echo " ";
}
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
for($i=4;$i>=1;$i--){
for($k=5;$k>=$i;$k--){
echo " ";
}
for($j=1;$j<=$i;$j++){
echo "* ";
}
echo "<br>";
}
?>
Output:
Pattern4
<?php
for($i=1; $i<=5; $i++){
for($j=1; $j<=$i; $j++){
echo ' * ';
}
echo '<br>';
}
for($i=5; $i>=1; $i--){
for($j=1; $j<=$i; $j++){
echo ' * ';
}
echo '<br>';
}
?>
Output:
<?php
for($i=1; $i<=5; $i++){
for($j=1; $j<=$i; $j++){
echo ' * ';
}
echo '<br>';
}
for($i=5; $i>=1; $i--){
for($j=1; $j<=$i; $j++){
echo ' * ';
}
echo '<br>';
}
?>
Output:
Pattern5
<?php
for ($i=1; $i<=5; $i++)
{
for ($j=1; $j<=5; $j++)
{
echo '* ';
}
echo "</br>";
}
?>
Output:
Pattern6
<?php
for($i=5; $i>=1; $i--)
{
if($i%2 != 0)
{
for($j=5; $j>=$i; $j--)
{
echo "* ";
}
echo "<br>";
}
}
for($i=2; $i<=5; $i++)
{
if($i%2 != 0)
{
<?php
for ($i=1; $i<=5; $i++)
{
for ($j=1; $j<=5; $j++)
{
echo '* ';
}
echo "</br>";
}
?>
Output:
Pattern6
<?php
for($i=5; $i>=1; $i--)
{
if($i%2 != 0)
{
for($j=5; $j>=$i; $j--)
{
echo "* ";
}
echo "<br>";
}
}
for($i=2; $i<=5; $i++)
{
if($i%2 != 0)
{
for($j=5; $j>=$i; $j--)
{
echo "* ";
}
echo "<br>";
}
}
?>
{
echo "* ";
}
echo "<br>";
}
}
?>
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