International PHP Conference Berlin 2025

uopz_allow_exit

(PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_allow_exitAllows control over disabled exit opcode

Description

uopz_allow_exit(bool $allow): void

By default uopz disables the exit opcode, so exit() calls are practically ignored. uopz_allow_exit() allows to control this behavior.

Parameters

allow

Whether to allow the execution of exit opcodes or not.

Return Values

No value is returned.

Examples

Example #1 uopz_allow_exit() example

<?php
exit(1);
echo
1;
uopz_allow_exit(true);
exit(
2);
echo
2;
?>

The above example will output:

1

Notes

Caution

OPcache optimizes away dead code after unconditional exit.

See Also

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top