ASP (VBScript)
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PHP (v4.3+)
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| General syntax |
- ASP Comments, inline
'my dog has fleas
| - PHP Comments, inline
//my dog has fleas
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- ASP Comments, block
not available?
| - PHP Comments, block
/*
The quick brown fox
jumped over the lazy dogs.
*/
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- ASP, Escaping quotes
""
| - PHP, Escaping quotes
\" or use ' like javascript
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- ASP Command termination
None, but : can be used to separate commands
on the same line.
| - PHP Command termination
Each command must end with ; but
multiple commands per line are allowed.
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- ASP Screen output
response.write "hello"
| - PHP Screen output
echo "hello";
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- ASP Newline characters
vbCrLf
| - PHP Newline characters
"\n" (must be inside "", not '')
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- ASP Variable Names
Not case sensitive,
so fName is the same as FNAME
| - PHP Variable Names
Case sensitive AND must begin with $
so $fName is NOT the same as $FNAME
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| String Functions |
- ASP String concatenation
&
emsg=emsg & "error!"
| - PHP String concatenation
. and .=
$emsg.="error!";
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- ASP, Change case
LCase(), UCase()
upperName=UCase(chatName)
| - PHP, Change case
strtolower(), strtoupper()
$upperName=strtoupper($chatName);
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- ASP String length
Len()
| - PHP String length
strlen()
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- ASP, Trim whitespace
Trim()
| - PHP, Trim whitespace
trim() and also ltrim(), rtrim()
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- ASP String sections
Left(), Right(), Mid()Left("abcdef",3) result = "abc"Right("abcdef",2) result = "ef"Mid("abcdef",3) result = "cdef"Mid("abcdef",2,4) result = "bcde"
| - PHP String sections
substr()substr("abcdef",0,3); result = "abc"substr("abcdef",-2); result = "ef"substr("abcdef",2); result = "cdef"substr("abcdef",1,4); result = "bcde"
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- ASP String search forward, reverse
Instr(), InstrRev()x=Instr("abcdef","de") x=4x=InstrRev("alabama","a") x=7
| - PHP String search forward, reverse
strpos(), strrpos()$x=strpos("abcdef","de"); x=3$x=strrpos("alabama","a"); x=6
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- ASP String replace
Replace(string exp,search,replace)
temp=Replace(temp,"'","\'")
temp=Replace(temp,"""","\""")
| - PHP String replace
str_replace(search,replace,string exp)
$temp=str_replace("\"","\\\"",$temp);
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- ASP, split a string into an array
Split()temp="cows,horses,chickens"farm=Split(temp,",",-1,1)x=farm(0)
| - PHP, split a string into an array
explode()$temp="cows,horses,chickens";$farm=explode(",",$temp);$x=$farm[0];
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- ASP, convert ASCII to String
x=Chr(65) x="A"
| - PHP, convert ASCII to String
$x=chr(65); x="A"
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- ASP, convert String to ASCII
x=Asc("A") x=65
| - PHP, convert String to ASCII
$x=ord("A") x=65
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| Control Structures |
- ASP, if statements
if x=100 then x=x+5elseif x<200 then x=x+2else x=x+1end if
| - PHP, if statements
if ($x==100) { $x=$x+5;}else if ($x<200) { $x=$x+2;}else { $x++;}
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- ASP, for loops
for x=0 to 100 step 2 if x>p then exit fornext
| - PHP, for loops
for ($x=0; $x<=100; $x+=2) { if ($x>$p) {break;}}
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- ASP, while loops
do while x<100 x=x+1 if x>p then exit doloop
| - PHP, while loops
while ($x<100) { $x++; if ($x>$p) {break;}}
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- ASP, branching
select case chartName case "TopSales" theTitle="Best Sellers" theClass="S" case "TopSingles" theTitle="Singles Chart" theClass="S" case "TopAlbums" theTitle="Album Chart" theClass="A" case else theTitle="Not Found"end select
| - PHP, branching
switch ($chartName) { case "TopSales": $theTitle="Best Sellers"; $theClass="S"; break; case "TopSingles": $theTitle="Singles Chart"; $theClass="S"; break; case "TopAlbums": $theTitle="Album Chart"; $theClass="A"; break; default: $theTitle="Not Found";}
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- ASP functions
Function myFunction(x) myFunction = x*16 'Return valueEnd Function
| - PHP functions
function myFunction($x) { return $x*16;
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| HTTP Environment |
- ASP, Server variables
Request.ServerVariables("SERVER_NAME")Request.ServerVariables("SCRIPT_NAME")Request.ServerVariables("HTTP_USER_AGENT")Request.ServerVariables("REMOTE_ADDR")Request.ServerVariables("HTTP_REFERER")
| - PHP, Server variables
$_SERVER["HTTP_HOST"];$_SERVER["PHP_SELF"];$_SERVER["HTTP_USER_AGENT"];$_SERVER["REMOTE_ADDR"];@$_SERVER["HTTP_REFERER"]; @ = ignore errors
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- ASP Page redirects
Response.redirect("wrong_link.htm")
| - PHP Page redirects
header("Location: wrong_link.htm");
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- ASP, GET and POST variables
Request.QueryString("chat")
Request.Form("username")
| - PHP, GET and POST variables
@$_GET["chat"]; @ = ignore errors
@$_POST["username"];
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- ASP, prevent page caching
Response.CacheControl="no-cache"
Response.AddHeader "pragma","no-cache"
| - PHP, prevent page caching
header("Cache-Control: no-store, no-cache");
header("Pragma: no-cache");
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- ASP, Limit script execution time, in seconds
Server.ScriptTimeout(240)
| - PHP, Limit script execution time, in seconds
set_time_limit(240);
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- ASP, Timing script execution
s_t=timer ...ASP script to be timed...duration=timer-s_tresponse.write duration &" seconds"
| - PHP, Timing script execution
$s_t=microtime();...PHP script to be timed...$duration=microtime_diff($s_t,microtime());$duration=sprintf("%0.3f",$duration);echo $duration." seconds";//required functionfunction microtime_diff($a,$b) { list($a_dec,$a_sec)=explode(" ",$a); list($b_dec,$b_sec)=explode(" ",$b); return $b_sec-$a_sec+$b_dec-$a_dec;}
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| File System Functions |
- ASP, create a file system object (second line is wrapped)
'Required for all file system functions
fileObj=Server.CreateObject
("Scripting.FileSystemObject")
| - PHP, create a file system object
Not necessary in PHP
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- ASP, check if a file exists
pFile="data.txt"
fileObj.FileExists(Server.MapPath(pFile))
| - PHP, check if a file exists
$pFile="data.txt";
file_exists($pFile);
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- ASP, Read a text file
pFile="data.txt"xPage=fileObj.GetFile(Server.MapPath(pFile))xSize=xPage.Size 'Get size of file in bytesxPage=fileObj.OpenTextFile(Server.MapPath(pFile))temp=xPage.Read(xSize) 'Read filelinkPage.Close
| - PHP, Read a text file
$pFile="data.txt";$temp=file_get_contents($pFile); //Read file
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| Time and Date Functions |
- ASP, Server Time or Date
Now, Date, Time
| - PHP, Server Time or Date
date()
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- ASP, Date format (default)
Now = 7/2/2012 4:21:51 AM
Date = 7/2/2012
Time = 4:21:51 AM
Month(Date) = 7
MonthName(Month(Date)) = July
Day(Date) = 2
WeekdayName(Weekday(Date)) = Monday
WeekdayName(Weekday(Date),False) = Mon
| - PHP, Date format
There is no default format in PHP.
The date() function is formatted using codes:
date("n") = 7
date("F") = July
date("j") = 2
date("l") = Monday
date("D") = Mon
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| Numeric Functions |
- ASP, convert decimal to integer
Int()
| - PHP, convert decimal to integer
floor()
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- ASP, determine if a value is numeric
IsNumeric()
| - PHP, determine if a value is numeric
is_numeric()
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- ASP, modulus function
x mod y
| - PHP, modulus function
$x % $y
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