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php_shrink: Move add_apo_slashes to compile.php

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This commit is contained in:
Jakub Vrana
2025-03-15 09:10:43 +01:00
parent e0283543f3
commit c99ca863ce
3 changed files with 9 additions and 6 deletions
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4
compile.php
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@@ -5,6 +5,10 @@ include __DIR__ . "/adminer/include/errors.inc.php";
include __DIR__ . "/php_shrink.inc.php";
include __DIR__ . "/externals/JsShrink/jsShrink.php";
function add_apo_slashes($s) {
return addcslashes($s, "\\'");
}
function add_quo_slashes($s) {
$return = $s;
$return = addcslashes($return, "\n\r\$\"\\");

8
php_shrink.inc.php
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@@ -55,10 +55,10 @@ function php_shrink($input) {
foreach ($tokens as $i => $token) {
if (
$tokens[$i+2][0] === T_CLOSE_TAG && $tokens[$i+3][0] === T_INLINE_HTML && $tokens[$i+4][0] === T_OPEN_TAG
&& strlen(add_apo_slashes($tokens[$i+3][1])) < strlen($tokens[$i+3][1]) + 3
&& strlen(addcslashes($tokens[$i+3][1], "\\'")) < strlen($tokens[$i+3][1]) + 3
) {
$tokens[$i+2] = array(T_ECHO, 'echo');
$tokens[$i+3] = array(T_CONSTANT_ENCAPSED_STRING, "'" . add_apo_slashes($tokens[$i+3][1]) . "'");
$tokens[$i+3] = array(T_CONSTANT_ENCAPSED_STRING, "'" . addcslashes($tokens[$i+3][1], "\\'") . "'");
$tokens[$i+4] = array(0, ';');
}
}
@@ -140,7 +140,3 @@ function short_identifier($number, $chars) {
}
return $return;
}
function add_apo_slashes($s) {
return addcslashes($s, "\\'");
}

3
tests/php_shrink.php
View File

@@ -13,6 +13,9 @@ function check($code, $expected) {
//! bugs:
check('{if (true) {} echo 1;}', '{if(true);echo 1;}');
//! inefficiencies
check('echo "a"."b",\'c\'."d$a"."e";', 'echo "abcd$a"."e"');
check('$ab = 1; echo $ab;', '$a=1;echo$a;');
check('$ab = 1; $cd = 2;', '$a=1;$b=2;');
check('define("AB", 1);', 'define("AB",1);');