(PECL uopz 5, PECL uopz 6)
uopz_allow_exit — Allows control over disabled exit opcode
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.
allow
Whether to allow the execution of exit opcodes or not.
No value is returned.
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
OPcache optimizes away dead code after unconditional exit.
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https://www.php.net/manual/en/function.uopz-allow-exit.php