From 2849936da1a0315e4d0c32511b9870a793638359 Mon Sep 17 00:00:00 2001
From: Anshu Jain <jainanshu814@gmail.com>
Date: Tue, 13 Jan 2026 22:45:00 +0530
Subject: [PATCH 1/2] Docs: clarify intval() behavior with scientific notation
 overflow

---
 reference/var/functions/intval.xml | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/reference/var/functions/intval.xml b/reference/var/functions/intval.xml
index 77fe1d944910..5ac126abd036 100644
--- a/reference/var/functions/intval.xml
+++ b/reference/var/functions/intval.xml
@@ -160,14 +160,23 @@ echo intval(true), PHP_EOL;                    // 1
  </refsect1>
 
  <refsect1 role="notes">
-  &reftitle.notes;
-  <note>
-   <para>
-    The <parameter>base</parameter> parameter has no effect unless the
-    <parameter>value</parameter> parameter is a string.
-   </para>
-  </note>
- </refsect1>
+ &reftitle.notes;
+ <note>
+  <para>
+   The <parameter>base</parameter> parameter has no effect unless the
+   <parameter>value</parameter> parameter is a string.
+  </para>
+ </note>
+ <note>
+  <para>
+   When converting strings that contain scientific notation (for example,
+   "42.42e42"), <function>intval()</function> may return
+   <constant>PHP_INT_MAX</constant> due to integer overflow. This occurs
+   when the parsed numeric value exceeds the maximum integer size supported
+   by the platform.
+  </para>
+ </note>
+</refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;

From 91fee983a4c84c37a70aac78909650f0b6f00a20 Mon Sep 17 00:00:00 2001
From: Anshu Jain <jainanshu814@gmail.com>
Date: Thu, 15 Jan 2026 00:00:45 +0530
Subject: [PATCH 2/2] docs: clarify is_numeric support for scientific notation
 strings

---
 reference/var/functions/is-numeric.xml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/reference/var/functions/is-numeric.xml b/reference/var/functions/is-numeric.xml
index 4633d8d3d8b5..e3230f5895f9 100644
--- a/reference/var/functions/is-numeric.xml
+++ b/reference/var/functions/is-numeric.xml
@@ -68,6 +68,17 @@
   </informaltable>
  </refsect1>
 
+  <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    Strings containing numbers in scientific notation (for example,
+    <literal>"1e3"</literal> or <literal>"42e2"</literal>) are considered
+    numeric by <function>is_numeric</function>.
+   </para>
+  </note>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>