php-doc-en/reference/sem/functions/sem-remove.xml

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<refentry id="function.sem-remove">
 <refnamediv>
  <refname>sem_remove</refname>
  <refpurpose>Remove a semaphore</refpurpose>
 </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>bool</type><methodname>sem_remove</methodname>
   <methodparam><type>resource</type><parameter>sem_identifier</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>sem_remove</function> removes the semaphore
   <parameter>sem_identifier</parameter> if it
   has been created by <function>sem_get</function>,
   otherwise generates a warning.
  </para>
  <para>
   &return.success;
  </para>
  <para>
    After removing the semaphore, it is no more accessible.
  </para>
  <para>
   See also <function>sem_get</function>,
   <function>sem_release</function> and
   <function>sem_acquire</function>.
  </para>
 </refsect1>
</refentry>

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