Perl/Php Translation
arrays
hashes
data structures
array split/join
case conversion
string comparisons
functions
|
string matching operations
basename/dirname
environment variables
POST/GET parameters
HTML elements
URL encode
MySQL database access
|
| — Perl arrays — |
— Php arrays — |
@a = ();
@a = ( 'xx', 11, 33.5, );
@a = 12..33;
$a[2] = 'something';
$len = scalar(@a);
# or
$len = @a;
@a3 = ('xx', @a1, @a2);
($x, $y) = @a;
$a[@a] = 'new'; # push
push
pop
shift
unshift
splice
foreach $i (@a) { .. }
|
$a = array();
$a = array( 'xx', 11, 33.5, );
$a = range(12,33);
$a[2] = 'something';
$len = count($a);
$a3 = array_merge('xx', $a1, $a2);
list($x, $y) = $a;
$a[] = 'new'; # push
array_push
array_pop
array_shift
array_unshift
array_splice
foreach ($a as $i) { .. }
|
| — Perl hashes — |
— Php hashes — |
%h = ();
%h = ( 'x' => 'y',
'z' => 'w',
);
$h{'x'} = 7;
while (($key,$value) = each(%h))
{ .. }
$a = keys(%h);
$b = values(%h);
delete $h{'x'};
|
$h = array();
$h = array( 'x' => 'y',
'z' => 'w',
);
$h['x'] = 7;
foreach ($h as $key => $value)
{ .. }
$a = array_keys($h);
$b = array_values($h);
unset( $h['x'] );
|
| — Perl data structures — |
— Php data structures — |
%h = ('a'=>13, 'b'=>25);
@x = ('hi', 'there', 'all',);
@mix = ( %h, @x,
[33..39],
{ x=>15, yy=>23, },
);
$mix[0]->{'b'} # == 25
$mix[0]{'b'} # == 25
$mix[2]->[2] # == 35
$mix[2][2] # == 35
|
$h = array('a'=>13, 'b'=>25);
$x = array('hi', 'there', 'all',);
$mix = array($h, $x,
range(33,39),
array('x'=>15, 'yy'=>23),
);
$mix[0]['b'] # == 25
$mix[2][2] # == 35
|
| — Perl array split/join — |
— Php array split/join — |
@a = split( '|', $s );
@a = split( 's+', $s );
$s = join( '|', @a );
|
$a = preg_split( '/|/', $s,
-1, PREG_SPLIT_NO_EMPTY );
$a = preg_split( '/s+/', $s,
-1, PREG_SPLIT_NO_EMPTY );
$s = join( '|', $a );
|
| — Perl case conversion — |
— Php case conversion — |
$s = lc($s);
$s = uc($s);
$s =~ tr/a-z/A-Z/;
|
$s = strtolower($s);
$s = strtoupper($s);
|
| — Perl string comparisons — |
— Php string comparisons — |
$s1 eq $s2
$s1 lt $s2
|
strcmp($s1,$s2) == 0
# or
$s1 === $s2
strcmp($s1,$s2) < 0
|
| — Perl functions — |
— Php functions — |
sub foo {
my @args = @_;
}
sub foo {
$x = 5;
}
foo2( @a, %h );
|
function foo() {
$args = func_get_args();
}
function foo() {
global $x;
$x = 5;
}
function foo2($x, $y) {
}
foo2( $a, $h );
|
| — Perl string matching operations — |
— Php string matching operations — |
$s =~ m/(w+)/;
$substr = $1;
@all = ($s =~ m/(w+)/g);
$s =~ s/s+/X/;
$s =~ s/s+/X/g;
$s =~ s/^s+|s+$//g;
|
preg_match( "/(w+)/", $s, $match );
$substr = $match[1];
preg_match_all( "/(w+)/", $s, $match );
$all = $match[0];
$s = preg_replace( "/s+/", 'X', $s, 1 );
$s = preg_replace( "/s+/", 'X', $s );
$s = trim($s);
|
| — Perl basename/dirname — |
— Php basename/dirname — |
use File::Basename;
$b = basename($path);
$d = dirname($path);
|
$b = basename($path);
$d = dirname($path);
|
| — Perl environment variables — |
— Php environment variables — |
%ENV
$ENV{REQUEST_METHOD}
$ARGV[$i]
$0
|
$_SERVER
$_SERVER[REQUEST_METHOD]
$argv[$i+1]
$argv[0] # Php/CGI only
|
| — Perl POST/GET parameters — |
— Php POST/GET parameters — |
#form/hyperlink parameters:
# s : single-valued
# m : multi-valued
use CGI (:standard);
$s = param('s');
@m = param('m');
@param_names = param();
$num_params = param();
|
#form/hyperlink parameters:
# s : single-valued
# m[] : multi-valued
# (such as multi-selections
# and checkbox groups)
$PARAM
= array_merge($_GET, $_POST);
$s = $PARAM['s']; # a scalar
$m = $PARAM['m']; # an array
$param_names = array_keys($PARAM);
$num_params = count($PARAM);
|
| — Perl HTML elements — |
— Php HTML elements — |
use CGI (:standard);
$ref = "x.cgi";
a({href=>$ref}, "yy")
textfield({name=>"yy", size=>5})
password({name=>"yy", size=>5})
textarea({name=>"yy",
cols=>5, rows=>2})
submit({value=>"yy"})
button( {name=>"xx",
value=>"yy",
onclick=>"submit()",
}
)
%labels = (0=>'a',1=>'q',2=>'x');
popup_menu( { name=>"xx",
values=>[0..2],
labels=>%labels,
size=>4,
}
)
@a = ('xx','yy','zz');
radio_group( { name=>'nn',
values=> @a,
default=>'_',
linebreak=>1,
}
)
%labels = ('xx'=>'L1','yy'=>'L2');
@a = keys( %labels );
checkbox_group( { name=>'nn',
values=> @a,
labels=> %labels,
}
)
table(
Tr(
[
td(['a','b']),
td(['x','y']),
]
)
)
|
# The Perl/CGI functions have the
# additional property of "stability"
# when used in reentrant forms.
# The values of the HTML elements are
# set according to the incoming
# parameter values for those elements.
# The versions below are not stable.
$ref = "x.php";
<a href="<?php echo $ref?>">yy</a>
<input type=text name=yy size=5>
<input type=password name=yy size=5>
<textarea name=yy cols=5 rows=2>
</textarea>
<input type="submit" value=yy>
<input type="button"
name="xx" value="yy"
onclick="submit()">
<select name="xx" size="4">
<?php
$labels = array(0=>'a',1=>'q',2=>'x');
foreach (range(0,2) as $_)
echo "<option value='$_'>",
$labels[$_];
?>
</select>
$a = array('xx','yy','zz');
foreach ($a as $_)
echo "<input type=radio
name=nn value='$_'>$_<br>";
$labels = array('xx'=>'L1','yy'=>'L2');
foreach (array_keys($labels) as $_)
echo "<input type=checkbox
name=nn value='$_'>",
$labels[$_];
<table>
<tr>
<td>a</td><td>b</td>
</tr>
<tr>
<td>x</td><td>y</td>
</tr>
</table>
|
| — Perl URL encode — |
— Php URL encode — |
use URI::Escape;
uri_escape($val)
uri_unescape($val)
|
urlencode($val)
urldecode($val)
|
| — Perl MySQL database access — |
— Php MySQL database access — |
use DBI;
$dbh = DBI->connect(
'DBI:mysql:test:localhost',
$usr,$pwd
);
$dbh->do( $sql_op )
$query = $dbh->prepare( $sql_op );
$query->execute();
while(
@record = $query->fetchrow() )
{ .. }
$dbh->quote($val)
|
$dbh = mysql_connect(
'localhost', $usr, $pwd
);
mysql_query('USE test')
mysql_query( $sql_op );
$results = mysql_query( $sql_op );
while($record =
mysql_fetch_row($results))
{ .. }
"'" . addslashes($val) . "'"
|
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