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(PECL uopz 5, PECL uopz 6, PECL uopz 7)
uopz_allow_exit — Allows control over disabled exit opcode
$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.
没有返回值。
示例 #1 uopz_allow_exit() example
<?php
exit(1);
echo 1;
uopz_allow_exit(true);
exit(2);
echo 2;
?>
以上例程会输出：
1
OPcache optimizes away dead code after unconditional exit.
