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Add changelog and warning about updated exit code behaviour since PHP 8.4.0 #5579

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jordikroon merged 2 commits into from
May 26, 2026
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Add changelog and warning about updated exit code behaviour since PHP 8.4.0 #5579

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Add changelog and warning about updated exit code bahaviour since PHP…
PrinsFrank May 24, 2026
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PrinsFrank May 25, 2026
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7 changes: 7 additions & 0 deletions reference/funchand/functions/register-shutdown-function.xml
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Expand Up @@ -24,6 +24,13 @@
function, processing will stop completely and no other registered
shutdown functions will be called.
</para>
<caution>
<simpara>
Calling <function>exit</function> within a registered shutdown function
overwrites any exit code of previous <function>exit</function> calls
since PHP 8.4.0
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</simpara>
</caution>
<para>
Shutdown functions may also call <function>register_shutdown_function</function>
themselves to add a shutdown function to the end of the queue.
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9 changes: 9 additions & 0 deletions reference/misc/functions/exit.xml
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Expand Up @@ -109,6 +109,15 @@
<link linkend="functions.variable-functions">variable functions</link>.
</entry>
</row>
<row>
<entry>8.4.0</entry>
<entry>
When calling <function>exit</function> within
<link linkend="function.register-shutdown-function">Shutdown functions</link>
or <link linkend="language.oop5.decon.destructor">object destructors</link>
any previous exit code gets overwritten
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</entry>
</row>
</tbody>
</tgroup>
</informaltable>
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