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Reduce memory usage of the context restoration compiled at the end of for loops

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This commit is contained in:
Fabien Potencier
2026-06-06 09:31:56 +02:00
parent 9a1d3d241f
commit 0197736dfc
3 changed files with 13 additions and 5 deletions
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CHANGELOG
+1
View File
@@ -1,5 +1,6 @@
# 3.28.0 (2026-XX-XX)
* Reduce memory usage and speed up the context restoration compiled at the end of `for` loops
* Report the column number in syntax errors and expose it via `Error::getTemplateColumn()`
* Track the source offset of each token and expose it via `Token::getOffset()`
* Fix nested `block()` calls to resolve against the overriding template when a block rendered through `block(name, template)` calls `parent()`
src/Node/ForNode.php
+4 -1
View File
@@ -115,6 +115,9 @@ class ForNode extends Node
$compiler->raw(");\n");
// keep the values set in the inner context for variables defined in the outer context
$compiler->write("\$context = array_intersect_key(\$context, \$_parent) + \$_parent;\n");
$compiler
->write("\$context = array_intersect_key(\$context, \$_parent);\n")
->write("\$context += \$_parent;\n")
;
}
}
tests/Node/ForTest.php
+8 -4
View File
@@ -77,7 +77,8 @@ foreach (\$context['_seq'] as \$context["key"] => \$context["item"]) {
}
\$_parent = \$context['_parent'];
unset(\$context['_seq'], \$context['key'], \$context['item'], \$context['_parent']);
\$context = array_intersect_key(\$context, \$_parent) + \$_parent;
\$context = array_intersect_key(\$context, \$_parent);
\$context += \$_parent;
EOF
];
@@ -119,7 +120,8 @@ foreach (\$context['_seq'] as \$context["k"] => \$context["v"]) {
}
\$_parent = \$context['_parent'];
unset(\$context['_seq'], \$context['k'], \$context['v'], \$context['_parent'], \$context['loop']);
\$context = array_intersect_key(\$context, \$_parent) + \$_parent;
\$context = array_intersect_key(\$context, \$_parent);
\$context += \$_parent;
EOF
];
@@ -161,7 +163,8 @@ foreach (\$context['_seq'] as \$context["k"] => \$context["v"]) {
}
\$_parent = \$context['_parent'];
unset(\$context['_seq'], \$context['k'], \$context['v'], \$context['_parent'], \$context['loop']);
\$context = array_intersect_key(\$context, \$_parent) + \$_parent;
\$context = array_intersect_key(\$context, \$_parent);
\$context += \$_parent;
EOF
];
@@ -210,7 +213,8 @@ if (!\$context['_iterated']) {
}
\$_parent = \$context['_parent'];
unset(\$context['_seq'], \$context['k'], \$context['v'], \$context['_parent'], \$context['_iterated'], \$context['loop']);
\$context = array_intersect_key(\$context, \$_parent) + \$_parent;
\$context = array_intersect_key(\$context, \$_parent);
\$context += \$_parent;
EOF
];